Manufacturers: I
1,070 manufacturers
| Manufacturer | Sector | Town | Year | Accounts type |
|---|---|---|---|---|
| I & N FABRICATION LIMITED | Fabricated metal products | Mansfield | 2006 | Total exemption (full) |
| I & S INDUSTRIAL DOOR SERVICES LIMITED | Repair and installation of machinery | West Bromwich | 2005 | Unaudited abridged |
| I - SUB LIMITED | Printing and recorded media | Kettering | 2001 | Total exemption (full) |
| I A E LTD. | Repair and installation of machinery | Bedford | 1996 | Total exemption (full) |
| I A G METALWORK LIMITED | Fabricated metal products | Battle | 2003 | Total exemption (full) |
| I B WILLIAMS & SON LTD | Glass, ceramics, cement and stone | Powys | 2003 | Total exemption (full) |
| I C INTERNATIONAL LIMITED | Other manufacturing | St Georges Telford | 1991 | Total exemption (full) |
| I C OPTICAL SYSTEMS LIMITED | Glass, ceramics, cement and stone | Kent | 2001 | Unaudited abridged |
| I D MAINTENANCE LIMITED | Other manufacturing | Harrogate | 2003 | Total exemption (full) |
| I DESIGN LIMITED | Clothing | Newcastle | 1995 | Unaudited abridged |
| I ENVIRONMENTAL TECHNOLOGIES LIMITED | Electrical equipment | Wantage | 2009 | Total exemption (full) |
| I FOAM LIMITED | Ships, aircraft, rail and other transport | Corby | 2008 | Total exemption (full) |
| I G M ROBOTIC SYSTEMS LIMITED | Machinery and equipment | Cannock | 1988 | Total exemption (full) |
| I HOLLAND LIMITED | Fabricated metal products | Nottingham | 1998 | Full accounts |
| I L P DIRECT LIMITED | Computers, electronics and optics | Ashford | 1997 | Total exemption (full) |
| I M & M LIMITED | Repair and installation of machinery | Sheffield | 1998 | Unaudited abridged |
| I M F ( P C R ) LIMITED | Repair and installation of machinery | Leeds | 2003 | Total exemption (full) |
| I M IMPY LIMITED | Machinery and equipment | Bucks | 2003 | Total exemption (full) |
| I M KELLY R & A LTD | Ships, aircraft, rail and other transport | Kettering | 1994 | Small company accounts |
| I M MURRAY ENGINEERING LIMITED | Fabricated metal products | Isle of Lewis | 2002 | Total exemption (full) |
| I M PLASTECH LIMITED | Rubber and plastics | Wyboston | 2003 | Total exemption (full) |
| I M S INTERNATIONAL MARKETING SERVICES LIMITED | Fabricated metal products | Perry Barr | 1979 | Total exemption (full) |
| I P S CONVERTERS LIMITED | Paper and paperboard | Oldham | 1963 | Total exemption (full) |
| I PRINT MK LTD | Printing and recorded media | Milton Keynes | 2009 | Total exemption (full) |
| I S CONSULTANCY (UK) LTD | Fabricated metal products | Flint | 1995 | Total exemption (full) |
| I S D (UK) LIMITED | Other manufacturing | Stanley | 1999 | Total exemption (full) |
| I S F GROUP LIMITED | Chemicals | Leicester | 1901 | Total exemption (full) |
| I S FUSION LIMITED | Computers, electronics and optics | Oswestry | 2005 | Total exemption (full) |
| I T IMAGING LIMITED | Printing and recorded media | Glasgow | 2006 | Total exemption (full) |
| I V M LTD | Rubber and plastics | Willington | 2003 | Unaudited abridged |
| I W M DESIGNS LIMITED | Furniture | Bolton | 2002 | Total exemption (full) |
| I WALL LIMITED | Glass, ceramics, cement and stone | Cirencester | 1996 | Total exemption (full) |
| I WATERMAN (BOX MAKERS) LIMITED | Paper and paperboard | London | 1942 | Total exemption (full) |
| I'ANSON BROS LIMITED | Food products | Masham | 1948 | Full accounts |
| I-FX MEDIA LTD | Other manufacturing | Borehamwood | 2010 | Total exemption (full) |
| I-SUB DIGITAL LIMITED | Printing and recorded media | Leicestershire | 2005 | Total exemption (full) |
| I-VISION LIGHTING SOLUTIONS LIMITED | Electrical equipment | Cwmbran | 2009 | Total exemption (full) |
| I. AND G. ENGINEERING LIMITED | Machinery and equipment | Neath | 1979 | Total exemption (full) |
| I. FOSTER & SONS LIMITED | Other manufacturing | Hornchurch | 1994 | Total exemption (full) |
| I. W. T. DEESIDE LIMITED | Motor vehicles and parts | Manchester | 2003 | Full accounts |
| I.B.A. FABRICATIONS LIMITED | Fabricated metal products | County Durham | 1998 | Total exemption (full) |
| I.C. LIFTEK LIMITED | Repair and installation of machinery | Lancashire | 2005 | Total exemption (full) |
| I.C.B. EMULSIONS LIMITED | Chemicals | Craigavon | 1991 | Full accounts |
| I.C.LIMITED | Electrical equipment | Stafford | 1987 | Total exemption (full) |
| I.C.P.M.S. CONES LIMITED | Fabricated metal products | Chester | 2002 | Total exemption (full) |
| I.D. SPARES & SERVICE LIMITED | Repair and installation of machinery | Retford | 1997 | Unaudited abridged |
| I.D.I. METAL FABRICATIONS LIMITED | Fabricated metal products | Eastbourne | 2002 | Total exemption (full) |
| I.D.L. ENGINEERING SERVICES LIMITED | Repair and installation of machinery | Surrey | 2000 | Total exemption (full) |
| I.G. DOORS LIMITED | Other manufacturing | Blackwood | 2003 | Full accounts |
| I.H. MOTORHOMES LIMITED | Motor vehicles and parts | Knottingley | 2001 | Total exemption (full) |
| I.L. TOOLING LIMITED | Fabricated metal products | Southampton | 1999 | Total exemption (full) |
| I.M. FABRICATIONS LIMITED | Fabricated metal products | Blackpool | 2001 | Total exemption (full) |
| I.M.E REPAIR SERVICES LIMITED | Repair and installation of machinery | Portsmouth | 2006 | Total exemption (full) |
| I.M.O. PRECISION CONTROLS LIMITED | Computers, electronics and optics | Hatfield | 1963 | Group accounts |
| I.M.T. (U.K.) LIMITED | Textiles | Bingley | 1992 | Total exemption (full) |
| I.P. BAKERY LIMITED | Food products | London | 2009 | Total exemption (full) |
| I.P.A. CONTROLS LIMITED | Electrical equipment | Loughborough | 2002 | Total exemption (full) |
| I.P.S. GUNMAKING LTD | Fabricated metal products | Ruislip Manor | 2002 | Total exemption (full) |
| I.P.T. TECHNOLOGY LIMITED | Machinery and equipment | Droitwich | 2007 | Total exemption (full) |
| I.R.C. LIMITED | Repair and installation of machinery | Glasgow | 1994 | Total exemption (full) |
| I.R.T.S. ENGINEERING LIMITED | Machinery and equipment | Toddington | 1977 | Total exemption (full) |
| I.S.S. PRECISION ENGINEERING LIMITED | Fabricated metal products | Cramlington | 2001 | Total exemption (full) |
| I.W. DENTAL LABORATORY LTD | Other manufacturing | London | 2009 | Audit-exempt subsidiary |
| I.W.T. COMPOSITES LIMITED | Rubber and plastics | Manchester | 2008 | Small company accounts |
| I2I ENGINEERING LIMITED | Machinery and equipment | Jesmond | 2005 | Total exemption (full) |
| I2I EUROPE LIMITED | Paper and paperboard | Hednesford | 2005 | Small company accounts |
| I2R PACKAGING SOLUTIONS LIMITED | Other manufacturing | Telford | 2006 | Full accounts |
| IA HARRIS & SON LIMITED | Food products | Bromley | 2002 | Medium company accounts |
| IAG TECHNOLOGY LIMITED | Electrical equipment | Aylesbury | 2002 | Total exemption (full) |
| IAIN JAMES FURNITURE LIMITED | Furniture | Nottingham | 1991 | Total exemption (full) |
| IAIN SCOTT FABRICATIONS LIMITED | Fabricated metal products | York | 1995 | Total exemption (full) |
| IAIN WEIR (SUPPLIES) LIMITED | Furniture | Barfillan Drive | 1979 | Unaudited abridged |
| IAN BAIRD WELDING REPAIRS LIMITED | Repair and installation of machinery | North Walsham | 2008 | Total exemption (full) |
| IAN BENNETT ENGINEERING LIMITED | Machinery and equipment | Dudley | 2007 | Total exemption (full) |
| IAN BROWN ENGINEERING LTD. | Fabricated metal products | Banchory | 2003 | Total exemption (full) |
| IAN CLARK JOINERY LIMITED | Wood products | Doncaster | 2010 | Total exemption (full) |
| IAN CURRY TECHNICAL SERVICES LIMITED | Repair and installation of machinery | Thatcham | 2007 | Total exemption (full) |
| IAN FOSTER LIMITED | Other manufacturing | West Sussex | 2007 | Total exemption (full) |
| IAN HAMILTON ENGINEERING LIMITED | Repair and installation of machinery | Tetbury | 2002 | Total exemption (full) |
| IAN HARVEY FABRICATIONS LIMITED | Fabricated metal products | Leek | 2003 | Total exemption (full) |
| IAN HOLT ENGINEERING LIMITED | Machinery and equipment | Goole | 2001 | Total exemption (full) |
| IAN KNAPPER LIMITED | Glass, ceramics, cement and stone | Stoke-on-Trent | 2008 | Total exemption (full) |
| IAN MACLEOD DISTILLERS LIMITED | Beverages | Broxburn | 1957 | Group accounts |
| IAN MILLAR FABRICATIONS LTD | Fabricated metal products | Coleraine | 2007 | Total exemption (full) |
| IAN MITCHELL DISTRIBUTION LIMITED | Chemicals | Endmoor, Kendal | 1995 | Total exemption (full) |
| IAN MOORE KITCHENS LTD | Furniture | Chesterfield | 2008 | Total exemption (full) |
| IAN MOSEY (FEED) LIMITED | Food products | York | 2009 | Full accounts |
| IAN NEWELL BOAT BUILDING & REPAIR LIMITED | Repair and installation of machinery | Co Down | 2003 | Unaudited abridged |
| IAN WEBB ENGINEERING LIMITED | Electrical equipment | Aylesbury | 2002 | Total exemption (full) |
| IAN WHITEHEAD CONTRACT FURNISHING LIMITED | Furniture | Sheffield | 1993 | Total exemption (full) |
| IAN WOOD MEMORIALS LTD | Other manufacturing | Sunderland | 2003 | Total exemption (full) |
| IAQ LIMITED | Fabricated metal products | Caernarfon | 2004 | Total exemption (full) |
| IARA LTD | Printing and recorded media | Cardiff | 2007 | Total exemption (full) |
| IBC VEHICLES LIMITED | Motor vehicles and parts | Coventry | 1987 | Full accounts |
| IBD BIKES UK LIMITED | Ships, aircraft, rail and other transport | Harrogate | 2009 | Full accounts |
| IBERIAN LIGHTING LTD. | Other manufacturing | St. Leonards-on-Sea | 2003 | Total exemption (full) |
| IBEX GOLD LIMITED | Other manufacturing | Macclesfield | 2007 | Total exemption (full) |
| IBEX INNOVATIONS LTD | Other manufacturing | Stockton-on-Tees | 2010 | Small company accounts |
| IBEX MARINA ROPES LIMITED | Textiles | Worcestershire | 1987 | Audit-exempt subsidiary |
| IBIS INTEGRATED BINDERY SYSTEMS LIMITED | Printing and recorded media | High Wycombe | 1999 | Total exemption (full) |
| IBIS INTERGRID LIMITED | Repair and installation of machinery | Kendal | 1983 | Unaudited abridged |
| IBIS ORGANICS LIMITED | Food products | Cumbria | 2005 | Unaudited abridged |
| IBIS WOODCRAFT LIMITED | Wood products | Kenilworth | 2009 | Total exemption (full) |
| IBM UNITED KINGDOM LIMITED | Computers, electronics and optics | Winchester | 1962 | Full accounts |
| IBS BUILDING PRODUCTS LIMITED | Other manufacturing | West Bromwich | 1995 | Total exemption (full) |
| IBSTOCK BRICK LIMITED | Glass, ceramics, cement and stone | Leicestershire | 1899 | Full accounts |
| IC POWDER COATERS LIMITED | Repair and installation of machinery | — | 2009 | Total exemption (full) |
| ICA SOLUTIONS LTD | Electrical equipment | Reading | 1998 | Total exemption (full) |
| ICAM ARCHIVE SYSTEMS LIMITED | Electrical equipment | Leek | 1989 | Total exemption (full) |
| ICAM ENGINEERING LTD. | Fabricated metal products | Connahs Quay Deeside | 1964 | Total exemption (full) |
| ICAN BUSINESS SYSTEMS LIMITED | Repair and installation of machinery | Northamptonshire | 2003 | Total exemption (full) |
| ICAP CRANES LIMITED | Machinery and equipment | Burton on Trent | 2008 | Total exemption (full) |
| ICARE ELEVATORS LTD | Repair and installation of machinery | London | 2009 | Total exemption (full) |
| ICE AND EASY LTD | Food products | Deeside | 2005 | Audit-exempt subsidiary |
| ICE FRESH SEAFOOD LIMITED | Food products | Hessle | 2005 | Audit-exempt subsidiary |
| ICE MARINE LIMITED | Ships, aircraft, rail and other transport | Newbury | 1995 | Total exemption (full) |
| ICE STEEL LTD | Basic metals | London | 2009 | Total exemption (full) |
| ICECO EUROPE LIMITED | Food products | Pontefract | 2004 | Small company accounts |
| ICECO LIMITED | Food products | Pontefract | 2009 | Small company accounts |
| ICEFREE SAPPHIRE LIMITED | Other manufacturing | Estate County Road | 1987 | Total exemption (full) |
| ICEMOS TECHNOLOGY LIMITED | Computers, electronics and optics | — | 2003 | Small company accounts |
| ICENI WINDOWS LIMITED | Other manufacturing | Witham | 2003 | Total exemption (full) |
| ICENTA CONTROLS LIMITED | Electrical equipment | Salisbury | 2002 | Total exemption (full) |
| ICEOXFORD LIMITED | Machinery and equipment | Witney | 2004 | Total exemption (full) |
| ICEROBOTICS LTD | Computers, electronics and optics | Stirling | 2007 | Total exemption (full) |
| ICHOR SYSTEMS LTD | Other manufacturing | Glasgow | 2003 | Full accounts |
| ICING CABIN LIMITED | Food products | Grimsby | 2009 | Unaudited abridged |
| ICKLESHAM JOINERY LIMITED | Wood products | East Sussex | 1978 | Total exemption (full) |
| ICL TECH LIMITED | Rubber and plastics | Glasgow | 1973 | Total exemption (full) |
| ICOM SCOTTECH LIMITED | Computers, electronics and optics | Scottish Borders | 2000 | Total exemption (full) |
| ICOMED LIMITED | Other manufacturing | Stratford-upon-Avon | 2001 | Total exemption (full) |
| ICON AEROSPACE TECHNOLOGY LTD | Ships, aircraft, rail and other transport | Retford | 1933 | Full accounts |
| ICON ELECTRONICS LIMITED | Electrical equipment | Portsmouth | 2009 | Total exemption (full) |
| ICON ENGINEERING (WISBECH) LTD | Fabricated metal products | Cambridgeshire | 1997 | Total exemption (full) |
| ICON EXHIBITIONS AND DISPLAY LTD | Other manufacturing | Cannock | 1995 | Total exemption (full) |
| ICON FLEXPACK LTD | Other manufacturing | Estate, Burnley | 2005 | Total exemption (full) |
| ICON GRAPHICS LIMITED | Printing and recorded media | Milton Keynes | 2002 | Total exemption (full) |
| ICON PLASTICS LIMITED | Rubber and plastics | Stockton on Tees | 2001 | Medium company accounts |
| ICON PROCESS SYSTEMS LIMITED | Fabricated metal products | Chesterfield | 1999 | Total exemption (full) |
| ICON RESEARCH LIMITED | Computers, electronics and optics | West Lothian | 1992 | Total exemption (full) |
| ICON TECHNOLOGY SYSTEMS LIMITED | Rubber and plastics | Liverpool | 2009 | Total exemption (full) |
| ICONIC SIGN SYSTEMS LTD | Other manufacturing | Newry | 2005 | Total exemption (full) |
| ICONSERVATORIES LIMITED | Other manufacturing | Blackburn | 2005 | Total exemption (full) |
| ICONX INTERNATIONAL LIMITED | Machinery and equipment | Manchester | 2001 | Audit-exempt subsidiary |
| ICS2 LIMITED | Electrical equipment | Dundee | 2002 | Total exemption (full) |
| ICU MEDICAL INTERNATIONAL LIMITED | Rubber and plastics | Ashford | 1940 | Full accounts |
| ICW (UK) LTD | Fabricated metal products | Wakefield | 1993 | Total exemption (full) |
| IDA ALARM SYSTEMS UK LIMITED | Repair and installation of machinery | Carnforth | 2003 | Total exemption (full) |
| IDAC SOLUTIONS LIMITED | Electrical equipment | Salisbury | 1983 | Total exemption (full) |
| IDAHO DESIGN LIMITED | Clothing | London | 1993 | Total exemption (full) |
| IDB SYSTEMS LIMITED | Computers, electronics and optics | Llandudno | 2010 | Total exemption (full) |
| IDC CONVEYORS LIMITED | Machinery and equipment | Chippenham | 2001 | Total exemption (full) |
| IDC LIFTING SERVICES LIMITED | Machinery and equipment | Widnes | 2008 | Unaudited abridged |
| IDE SYSTEMS LIMITED | Electrical equipment | Cannock | 2003 | Small company accounts |
| IDEAL & W R S COMPANY LTD | Leather goods and footwear | Walsall | 1946 | Unaudited abridged |
| IDEAL BOILERS LIMITED | Fabricated metal products | Hull | 1936 | Full accounts |
| IDEAL INDUSTRIES LIMITED | Computers, electronics and optics | Warrington | 1984 | Full accounts |
| IDEAL KITCHENS AND BEDROOMS LIMITED | Wood products | Stoke-on-Trent | 2006 | Total exemption (full) |
| IDEAL LIFTS SERVICE LIMITED | Repair and installation of machinery | Kingswinford | 2006 | Total exemption (full) |
| IDEAL MANUFACTURING LIMITED | Chemicals | Finedon Wellingborough | 1980 | Total exemption (full) |
| IDEAL PLASTIC PRODUCTS LIMITED | Rubber and plastics | Formby | 1995 | Unaudited abridged |
| IDEAL SADDLE COMPANY LIMITED | Leather goods and footwear | Walsall | 2005 | Total exemption (full) |
| IDEAL SIGNS (UK) LIMITED | Printing and recorded media | Wickford | 2010 | Total exemption (full) |
| IDEAL SURFACES LIMITED | Furniture | Hinckley | 2010 | Total exemption (full) |
| IDEM SAFETY SWITCHES LIMITED | Machinery and equipment | Wigan | 2003 | Full accounts |
| IDEMIA UK LIMITED | Other manufacturing | Tewkesbury | 1999 | Full accounts |
| IDENT MACHINES LIMITED | Machinery and equipment | Leicester | 1978 | Total exemption (full) |
| IDENTEC LIMITED | Computers, electronics and optics | Houghton le Spring | 1995 | Total exemption (full) |
| IDENTITAG LIMITED | Fabricated metal products | Stockton on Tees | 2009 | Total exemption (full) |
| IDENTITY PRESS LIMITED | Paper and paperboard | Tonbridge | 2003 | Unaudited abridged |
| IDEXX TECHNOLOGIES LIMITED | Other manufacturing | Studlands Park Avenue, Newmarket | 1997 | Full accounts |
| IDIS EUROPE LIMITED | Computers, electronics and optics | London | 2010 | Small company accounts |
| IDL COLOUR COATING LIMITED | Fabricated metal products | Byfleet | 1996 | Total exemption (full) |
| IDL TRADE LIMITED | Wood products | Manchester | 2004 | Total exemption (small) |
| IDM DOORS LIMITED | Other manufacturing | Newport | 2005 | Total exemption (full) |
| IDO CONSULTING LIMITED | Other manufacturing | Bordon | 2008 | Total exemption (full) |
| IDS INGEGNERIA DEI SISTEMI (UK) LIMITED | Ships, aircraft, rail and other transport | Eastleigh | 2002 | Small company accounts |
| IDURON LIMITED | Chemicals | Macclesfield | 2005 | Total exemption (full) |
| IDX LIMITED | Textiles | Walsall | 1998 | Total exemption (full) |
| IDX TECHNOLOGY EUROPE, LTD. | Electrical equipment | Slough | 1994 | Small company accounts |
| IE-NDT LIMITED | Other manufacturing | Chipping Norton | 2000 | Total exemption (full) |
| IF CARDBOARD CREATIONS LIMITED | Other manufacturing | Pickering | 1996 | Small company accounts |
| IFEX STRUCTURALS LIMITED | Fabricated metal products | Chatteris | 2003 | Unaudited abridged |
| IFF INTERNATIONAL FURNITURE FITTINGS LTD | Fabricated metal products | Bournemouth | 1995 | Total exemption (full) |
| IFG DRAKE LIMITED | Chemicals | Huddersfield | 1945 | Full accounts |
| IFOR WILLIAMS TRAILERS LIMITED | Fabricated metal products | Manchester | 1975 | Full accounts |
| IFZW - MAINTENANCE LIMITED | Fabricated metal products | Horsham | 2005 | Small company accounts |
| IG DESIGN GROUP UK LIMITED | Paper and paperboard | Newport Pagnell | 1988 | Audit-exempt subsidiary |
| IGHW LIMITED | Glass, ceramics, cement and stone | Mansfield | 2001 | Small company accounts |
| IGI SYSTEMS LIMITED | Computers, electronics and optics | Goole | 2006 | Total exemption (full) |
| IGNITERS COMBUSTION ENGINEERING LIMITED | Other manufacturing | Lichfield | 1985 | Total exemption (full) |
| IGNITION COMPONENTS LIMITED | Computers, electronics and optics | Bromsgrove | 1999 | Unaudited abridged |
| IGNIUM MECHANICAL LIMITED | Repair and installation of machinery | Caerphilly | 2010 | Total exemption (full) |
| IGS HOLDING LIMITED | Wood products | Greenford | 2009 | Total exemption (full) |
| IGT-UK GROUP LIMITED | Other manufacturing | Salford | 2005 | Full accounts |
| IHE STAINLESS LTD. | Fabricated metal products | Glasgow | 2010 | Total exemption (full) |
| IHH-VAC LIMITED | Machinery and equipment | Bridgwater | 1996 | Small company accounts |
| IHP LIMITED | Food products | London | 2007 | Full accounts |
| IIDEA LIMITED | Fabricated metal products | Rotherham | 2010 | Total exemption (full) |
| IKAR GB LIMITED | Other manufacturing | West Bromwich | 2008 | Total exemption (full) |
| IKAWA LTD | Electrical equipment | London | 2010 | Total exemption (full) |
| IKO PLC | Other manufacturing | Wigan | 1992 | Full accounts |
| IKON ALUMINIUM SYSTEMS LIMITED | Fabricated metal products | Birmingham | 2008 | Small company accounts |
| IKON TEST SOLUTIONS LIMITED | Computers, electronics and optics | Reading | 2008 | Total exemption (full) |
| IKONYX LIMITED | Other manufacturing | Whitchurch | 2001 | Total exemption (full) |
| IKV TRIBOLOGY LIMITED | Chemicals | Monmouth | 2004 | Small company accounts |
| IL FORNAIO LIMITED | Food products | Parkroyal | 1984 | Medium company accounts |
| ILAM STONE LIMITED | Glass, ceramics, cement and stone | Alfreton | 1999 | Total exemption (full) |
| ILAPAK LIMITED | Machinery and equipment | Uxbridge | 1970 | Full accounts |
| ILEACH LTD. | Printing and recorded media | Bowmore | 2002 | Total exemption (full) |
| ILEXA ONBOARD DIAGNOSTICS LIMITED | Machinery and equipment | Exeter | 2010 | Total exemption (full) |
| ILIFFE PRINT CAMBRIDGE LIMITED | Printing and recorded media | Cambridge | 1929 | Audit-exempt subsidiary |
| ILIMART LIMITED | Other manufacturing | Salford | 1990 | Total exemption (full) |
| ILKESTON FENCING LIMITED | Other manufacturing | Ilkeston | 2001 | Total exemption (full) |
| ILKESTON JOINERY LIMITED | Other manufacturing | Ilkeston | 2000 | Total exemption (full) |
| ILLIG UK LIMITED | Repair and installation of machinery | Yaxley | 1983 | Small company accounts |
| ILLINGWORTH INGHAM (MANCHESTER) LIMITED | Wood products | Manchester | 1929 | Medium company accounts |
| ILLSTON & ROBSON LIMITED | Fabricated metal products | Birmingham | 2003 | Total exemption (full) |
| ILLUMINAIRE DISPLAYS LIMITED | Electrical equipment | Tamworth | 2002 | Total exemption (full) |
| ILMOR ENGINEERING LIMITED | Machinery and equipment | Northamptonshire | 2005 | Group accounts |
| IM AUTOMATION SYSTEMS LIMITED | Repair and installation of machinery | Basildon | 2004 | Medium company accounts |
| IMA COOLING LIMITED | Fabricated metal products | London | 1990 | Total exemption (full) |
| IMA SCHELLING UK LIMITED | Repair and installation of machinery | Wetherby | 1988 | Small company accounts |
| IMA SWIFTPACK LIMITED | Machinery and equipment | Warwickshire | 2004 | Full accounts |
| IMAGE 2000 PLUS LIMITED | Printing and recorded media | London | 2000 | Total exemption (full) |
| IMAGE COLOURPRINT LIMITED | Printing and recorded media | East Yorkshire | 1989 | Small company accounts |
| IMAGE DATA GROUP LIMITED | Printing and recorded media | East Yorkshire | 1989 | Group accounts |
| IMAGE DATA SYSTEMS LIMITED | Printing and recorded media | East Yorkshire | 1986 | Small company accounts |
| IMAGE DIGITAL PRINT LIMITED | Printing and recorded media | East Yorkshire | 1982 | Small company accounts |
| IMAGE EVOLUTION LIMITED | Printing and recorded media | Bedfordshire | 2002 | Total exemption (full) |
| IMAGE GROUP LTD | Other manufacturing | Swanley | 2009 | Total exemption (full) |
| IMAGE I.T. LIMITED | Printing and recorded media | Northamptonshire | 1996 | Total exemption (full) |
| IMAGE LINE DIGITAL PRINT LIMITED | Printing and recorded media | Ferndown | 2007 | Total exemption (full) |
| IMAGE ON FOOD LIMITED | Food products | Market Drayton | 1995 | Total exemption (full) |
| IMAGE OPTICS COMPONENTS LIMITED | Other manufacturing | Benfleet | 1986 | Total exemption (full) |
| IMAGE PRINTING COMPANY LIMITED | Printing and recorded media | Alfreton | 1993 | Total exemption (full) |
| IMAGE SCAN HOLDINGS PLC | Computers, electronics and optics | Loughborough | 1995 | Group accounts |
| IMAGE SCOTLAND LIMITED | Textiles | Musselburgh | 1989 | Unaudited abridged |
| IMAGE STREAM LIMITED | Printing and recorded media | Wimborne | 2006 | Total exemption (full) |
| IMAGE WHEELS INTERNATIONAL LIMITED | Motor vehicles and parts | Tipton | 1988 | Total exemption (full) |
| IMAGE WORX SIGNS & GRAPHICS LIMITED | Printing and recorded media | Brentwood | 2009 | Total exemption (full) |
| IMAGECO VISUAL IMAGING LIMITED | Printing and recorded media | Leeds | 2000 | Total exemption (full) |
| IMAGEFARM LIMITED | Food products | London | 1988 | Total exemption (full) |
| IMAGEGLOSSY LIMITED | Printing and recorded media | Christchurch | 1994 | Total exemption (full) |
| IMAGES COSTUMES LIMITED | Clothing | Chesterfield | 2005 | Total exemption (full) |
| IMAGESOUND LIMITED | Printing and recorded media | Chesterfield | 2000 | Group accounts |
| IMAGEXPS LIMITED | Printing and recorded media | Hull | 1986 | Small company accounts |
| IMAGIN INTERNATIONAL LIMITED | Electrical equipment | Houghton Regis | 1959 | Unaudited abridged |
| IMAGINATION DISPLAYS LIMITED | Wood products | Hampshire | 2004 | Unaudited abridged |
| IMAGINATION FLOORING LTD | Furniture | — | 2003 | Total exemption (full) |
| IMAGINE INFLATABLES LIMITED | Rubber and plastics | Leicestershire | 2001 | Total exemption (full) |
| IMAGINEERS LIMITED | Rubber and plastics | High Wycombe | 1985 | Total exemption (full) |
| IMAN CASING AND FOODS UK LIMITED | Other manufacturing | Llandrindod Wells | 2007 | Total exemption (full) |
| IMAT LIMITED | Other manufacturing | Tamworth | 2004 | Total exemption (full) |
| IMAX ENGINEERING LTD | Fabricated metal products | Redditch | 2007 | Unaudited abridged |
| IMEDIA SYSTEMS LIMITED | Printing and recorded media | Chelmsford | 2003 | Total exemption (full) |
| IMERYS ALUMINATES LIMITED | Glass, ceramics, cement and stone | Purfleet | 1985 | Full accounts |
| IMERYS PCC UK LIMITED | Chemicals | Northwich | 1998 | Full accounts |
| IMETRUM LIMITED | Computers, electronics and optics | Bristol | 2003 | Total exemption (full) |
| IMH TECHNOLOGIES LIMITED | Computers, electronics and optics | Industrial Estate, Rochford | 1993 | Total exemption (full) |
| IMI WEBBER LIMITED | Machinery and equipment | Birmingham | 1979 | Audit-exempt subsidiary |
| IMIS GLOBAL LIMITED | Ships, aircraft, rail and other transport | East Segensworth, Fareham | 2000 | Total exemption (full) |
| IMK AUTOMOTIVE LIMITED | Motor vehicles and parts | Kettering | 2000 | Full accounts |
| IMMACULATE CONCEPTION PRINTING LTD | Printing and recorded media | Maidenhead | 2002 | Total exemption (full) |
| IMMI LTD | Ships, aircraft, rail and other transport | Newcastle upon Tyne | 1999 | Small company accounts |
| IMMPRESS LTD | Repair and installation of machinery | Harrogate | 2003 | Total exemption (full) |
| IMMUNODIAGNOSTIC SYSTEMS LIMITED | Other manufacturing | Boldon | 1995 | Full accounts |
| IMPACKED (PRINT AND PACKAGING) LIMITED | Paper and paperboard | Stockport | 1998 | Total exemption (full) |
| IMPACT (BOSTON) LIMITED | Paper and paperboard | Lincolnshire | 1964 | Total exemption (full) |
| IMPACT COATINGS LIMITED | Fabricated metal products | Colchester | 2002 | Audit-exempt subsidiary |
| IMPACT DESIGN & PRINT LTD | Printing and recorded media | Basingstoke | 1996 | Total exemption (full) |
| IMPACT DUCTING SALES LIMITED | Fabricated metal products | — | 1986 | Total exemption (full) |
| IMPACT EXPRESS LIMITED | Other manufacturing | Rotherham | 2004 | Total exemption (full) |
| IMPACT FOILING LIMITED | Paper and paperboard | Leicestershire | 2000 | Total exemption (full) |
| IMPACT MAIL & PRINT (UK) LIMITED | Printing and recorded media | Telford | 2009 | Unaudited abridged |
| IMPACT MAIL AND PRINT LIMITED | Printing and recorded media | Shropshire | 1998 | Unaudited abridged |
| IMPACT METAL SERVICES LIMITED | Fabricated metal products | Blackheath | 1984 | Unaudited abridged |
| IMPACT PRECISION MANUFACTURING LIMITED | Machinery and equipment | Wednesbury | 2001 | Unaudited abridged |
| IMPACT PRINTING OF COLERAINE LIMITED | Printing and recorded media | County Antrim | 1972 | Total exemption (full) |
| IMPACT PRINTING SERVICES LIMITED | Printing and recorded media | Weston-super-Mare | 2010 | Total exemption (full) |
| IMPACT SIGN SOLUTIONS LTD | Other manufacturing | Aylesbury | 2006 | Unaudited abridged |
| IMPACT SIGNS & DESIGN LIMITED | Other manufacturing | Liverpool | 1999 | Small company accounts |
| IMPACT SIGNS AND PRINT LIMITED | Other manufacturing | Weymouth | 2007 | Unaudited abridged |
| IMPACT TECHNIQUES (IRONVILLE) LIMITED | Other manufacturing | — | 1979 | Total exemption (full) |
| IMPACT TRADING (UK) LTD | Other manufacturing | Milton Keynes | 2003 | Total exemption (full) |
| IMPACTA LIMITED | Other manufacturing | Bilston | 2000 | Total exemption (full) |
| IMPALA STONE LIMITED | Glass, ceramics, cement and stone | Sudbury | 2006 | Total exemption (full) |
| IMPCROSS LIMITED | Fabricated metal products | Cheltenham | 1994 | Full accounts |
| IMPEL ENGINEERING LIMITED | Fabricated metal products | Henley on Thames | 2002 | Total exemption (full) |
| IMPERIAL 66 RACING LIMITED | Repair and installation of machinery | Park Cramlington | 2004 | Total exemption (full) |
| IMPERIAL BRICKS LTD | Glass, ceramics, cement and stone | Newcastle under Lyme | 2010 | Medium company accounts |
| IMPERIAL CHEMICAL INDUSTRIES LIMITED | Chemicals | Slough | 1926 | Full accounts |
| IMPERIAL DUCTWORK MANUFACTURING LIMITED | Fabricated metal products | Dartford | 2001 | Total exemption (full) |
| IMPERIAL HEATING OILS LIMITED | Coke and refined petroleum | Renfrewshire | 2005 | Total exemption (full) |
| IMPERIAL MARBLE AND GRANITE LIMITED | Glass, ceramics, cement and stone | Pinner | 1999 | Total exemption (full) |
| IMPERIAL METAL POLISHING LIMITED | Basic metals | Stourbridge | 2009 | Total exemption (full) |
| IMPERIAL OFFICE FURNITURE LTD | Furniture | Bury | 1999 | Full accounts |
| IMPERIAL POLYTHENE PRODUCTS LIMITED | Rubber and plastics | Colnbrook | 1995 | Full accounts |
| IMPERIAL THERMAL ENGINEERING LTD | Machinery and equipment | Braintree | 2006 | Total exemption (full) |
| IMPERIALDIAM LIMITED | Other manufacturing | London | 2000 | Unaudited abridged |
| IMPERIUM INTEGRATION LTD | Repair and installation of machinery | Huddersfield | 2008 | Total exemption (full) |
| IMPETUS ENCLOSURE SYSTEMS LIMITED | Fabricated metal products | Leeds | 2002 | Total exemption (full) |
| IMPEX LIGHTING LIMITED | Electrical equipment | Thames Ditton | 2005 | Unaudited abridged |
| IMPGROVE LIMITED | Other manufacturing | Swansea | 1981 | Total exemption (full) |
| IMPH LIMITED | Paper and paperboard | Whitehill Industrial Estate | 2009 | Total exemption (full) |
| IMPLANTS INTERNATIONAL LIMITED | Other manufacturing | Thornaby on Tees | 2005 | Total exemption (full) |
| IMPORIENT (U.K.) LIMITED | Food products | — | 1974 | Small company accounts |
| IMPORT EXPORT SERVICES (GRP) LIMITED | Repair and installation of machinery | Bristol | 2010 | Group accounts |
| IMPORT EXPORT SERVICES LTD | Repair and installation of machinery | Bristol | 2001 | Full accounts |
| IMPRA WOOD PROTECTION LIMITED | Chemicals | Barrow-in-Furness | 2000 | Audited abridged |
| IMPREGNATION SERVICES LIMITED | Fabricated metal products | Ashton under Lyne | 1964 | Total exemption (full) |
| IMPRESS CLOTHING LIMITED | Clothing | Leicester | 1999 | Total exemption (full) |
| IMPRESS NORTH EAST LIMITED | Fabricated metal products | Blaydon-on-Tyne | 1997 | Group accounts |
| IMPRESS PRINT SERVICES LTD | Printing and recorded media | Hersham | 1997 | Total exemption (full) |
| IMPRESS PRINTERS (UK) LIMITED | Printing and recorded media | Batley | 2000 | Total exemption (full) |
| IMPRESS SENSORS & SYSTEMS LIMITED | Computers, electronics and optics | Wimborne | 2002 | Audit-exempt subsidiary |
| IMPRESSION DENTAL LABORATORY LIMITED | Other manufacturing | Wigan | 2000 | Unaudited abridged |
| IMPRESSION EUROPE LIMITED | Printing and recorded media | Stanway Colchester | 2004 | Total exemption (full) |
| IMPRESSION LITHO LIMITED | Printing and recorded media | — | 1986 | Total exemption (full) |
| IMPRESSION MOULDS LIMITED | Machinery and equipment | Aylesbury | 1996 | Total exemption (full) |
| IMPRESSIONS CRAFTS LIMITED | Other manufacturing | Market Drayton | 2005 | Total exemption (full) |
| IMPRINT (WEST MIDLANDS) LIMITED | Printing and recorded media | Brierley Hill | 2000 | Unaudited abridged |
| IMPRINT COLOUR PRINTERS LIMITED | Paper and paperboard | Lincoln | 1995 | Unaudited abridged |
| IMPRINT CREATIVE PRINT SOLUTIONS LIMITED | Printing and recorded media | Uckfield | 2002 | Full accounts |
| IMPRINT MARKETING LTD | Beverages | Bracknell | 2007 | Total exemption (full) |
| IMPROVAIR LIMITED | Fabricated metal products | Bury | 2010 | Total exemption (full) |
| IMPTECH PRESS ENGINEERING LTD | Repair and installation of machinery | Tunbridge Wells | 2009 | Total exemption (full) |
| IMPULSE CLOTHING LIMITED | Clothing | Leicester | 2002 | Total exemption (full) |
| IMPULSE EMBEDDED LIMITED | Computers, electronics and optics | Newcastle | 1993 | Medium company accounts |
| IMPULSE POINT OF PURCHASE LIMITED | Fabricated metal products | Sandy | 2005 | Total exemption (full) |
| IMRIE ENGINEERING LTD | Repair and installation of machinery | Newcastle | 2003 | Unaudited abridged |
| IMROS (UK) LIMITED | Printing and recorded media | London | 1999 | Total exemption (full) |
| IMS PRECISION ENGINEERING LTD. | Fabricated metal products | Huntingdon | 1999 | Total exemption (full) |
| IMSE LIMITED | Repair and installation of machinery | Glasgow | 2003 | Total exemption (full) |
| IMT AVIATION SCOTLAND LIMITED | Repair and installation of machinery | Prestwick | 2004 | Total exemption (full) |
| IMV TECHNOLOGIES UK LIMITED | Other manufacturing | Bellshill | 1983 | Full accounts |
| IN CAR TECHNOLOGY LIMITED | Repair and installation of machinery | Waterlooville | 2002 | Total exemption (full) |
| IN CASE SOLUTIONS LIMITED | Leather goods and footwear | Hertford | 2002 | Total exemption (full) |
| IN DEEP TECHNOLOGY LIMITED | Computers, electronics and optics | Fareham | 2007 | Total exemption (full) |
| IN LINE HEALTH AND BEAUTY LIMITED | Chemicals | Leeds | 1997 | Total exemption (full) |
| IN OPERA (UK) LIMITED | Other manufacturing | London | 2009 | Total exemption (full) |
| IN STEEL (BLACKSMITHS & FABRICATORS) LIMITED | Fabricated metal products | Redruth | 2000 | Total exemption (full) |
| IN TO - CARE COMMUNICATIONS LIMITED | Repair and installation of machinery | Norwich | 2008 | Total exemption (full) |
| IN-DOORS MANUFACTURING LIMITED | Wood products | — | 1991 | Medium company accounts |
| IN-LINE ENGINEERING SERVICES (UK) LIMITED | Repair and installation of machinery | Barnsley | 2003 | Total exemption (full) |
| IN-STYLE UPHOLSTERY LIMITED | Furniture | Glasgow | 1986 | Total exemption (full) |
| IN-THEBOX.CO.UK LIMITED | Paper and paperboard | Kingston upon Thames | 2009 | Total exemption (full) |
| IN2 PLASTICS LIMITED | Rubber and plastics | Chertsey | 2004 | Total exemption (full) |
| IN2DETAIL LTD | Computers, electronics and optics | Guildford | 2009 | Total exemption (full) |
| IN2TEC LIMITED | Electrical equipment | Kettering | 2000 | Total exemption (full) |
| INC DIRECT LIMITED | Printing and recorded media | London | 2003 | Small company accounts |
| INC DOT COM LIMITED | Printing and recorded media | York | 2000 | Total exemption (full) |
| INCA CREATIVE PRINT LIMITED | Printing and recorded media | Pulborough | 2003 | Total exemption (full) |
| INCA DIGITAL PRINTERS LIMITED | Machinery and equipment | Cambridge | 2000 | Full accounts |
| INCA GEOMETRIC LIMITED | Machinery and equipment | Kent | 1983 | Unaudited abridged |
| INCA PIXMORE LIMITED | Fabricated metal products | Bedfordshire | 2000 | Total exemption (full) |
| INCAMESH FILTRATION LIMITED | Machinery and equipment | Northwich | 1978 | Total exemption (full) |
| INCANDESCENT LIMITED | Repair and installation of machinery | Leicester Leicestershire | 1996 | Total exemption (full) |
| INCAP ELECTRONICS UK LTD | Computers, electronics and optics | Newcastle | 1996 | Full accounts |
| INCATEXT LIMITED | Furniture | Weston-super-Mare | 1982 | Total exemption (full) |
| INCENTICA LTD | Printing and recorded media | — | 2004 | Total exemption (full) |
| INCH BLUE LIMITED | Leather goods and footwear | Abertillery | 1995 | Total exemption (full) |
| INCHDAIRNIE DISTILLERY LIMITED | Beverages | Glasgow | 1991 | Small company accounts |
| INCHRIST LIMITED | Repair and installation of machinery | London | 2002 | Total exemption (full) |
| INCINCO LIMITED | Machinery and equipment | Old Hatfield | 1998 | Total exemption (full) |
| INCINER8 LIMITED | Machinery and equipment | Ormskirk | 2003 | Small company accounts |
| INCOM COMPOSITE ENGINEERING UK LTD | Fabricated metal products | Poole | 2010 | Small company accounts |
| INCOREZ LIMITED | Chemicals | Preston | 1986 | Full accounts |
| INCOS LIMITED | Other manufacturing | Harrow | 1998 | Full accounts |
| INCOTECH LIMITED | Computers, electronics and optics | Walsall | 1993 | Total exemption (full) |
| INCRIMINATI LIMITED | Other manufacturing | Stockport | 2003 | Total exemption (full) |
| INCUBE LIMITED | Furniture | Stafford | 2007 | Total exemption (full) |
| INCUS CREATIONS LIMITED | Printing and recorded media | Glasgow | 2001 | Total exemption (full) |
| IND.VAC.SCREEN PRINTING LIMITED | Printing and recorded media | Rugeley | 1973 | Total exemption (full) |
| INDAVER SOLVENTS LIMITED | Chemicals | Middlewich | 2006 | Group accounts |
| INDENTEC HARDNESS TESTING MACHINES LIMITED | Machinery and equipment | Worcester | 1976 | Small company accounts |
| INDEPENDENCE DIRECT LIMITED | Other manufacturing | Swindon | 2003 | Small company accounts |
| INDEPENDENCE PRODUCTS LTD | Other manufacturing | Swindon | 2006 | Full accounts |
| INDEPENDENT AIR TREATMENT TECHNOLOGY LIMITED | Repair and installation of machinery | Gateshead | 2010 | Unaudited abridged |
| INDEPENDENT COMPOSITES LIMITED | Other manufacturing | Bristol | 2006 | Total exemption (full) |
| INDEPENDENT CONTROL SYSTEMS LIMITED | Electrical equipment | Telford | 1987 | Medium company accounts |
| INDEPENDENT DUCTWORK LIMITED | Fabricated metal products | Hampshire | 1992 | Total exemption (full) |
| INDEPENDENT FERTILISERS LIMITED | Chemicals | — | 2002 | Full accounts |
| INDEPENDENT FLEET CARE LTD | Repair and installation of machinery | London | 1998 | Total exemption (full) |
| INDEPENDENT FORGINGS & ALLOYS LIMITED | Fabricated metal products | Sheffield | 2000 | Full accounts |
| INDEPENDENT FORKLIFT ENGINEERS LIMITED | Repair and installation of machinery | Surrey | 2005 | Total exemption (full) |
| INDEPENDENT GLASS COMPANY LIMITED | Glass, ceramics, cement and stone | Rutherglen | 1987 | Full accounts |
| INDEPENDENT LIFTING SERVICES LIMITED | Fabricated metal products | Great Yarmouth | 2001 | Total exemption (full) |
| INDEPENDENT SEWING MACHINES LIMITED | Repair and installation of machinery | Nelson | 2004 | Total exemption (full) |
| INDEPENDENT SEWING SERVICES LIMITED | Textiles | Chesterfield | 2005 | Total exemption (full) |
| INDEPENDENT TOOL CONSULTANTS LIMITED | Machinery and equipment | Staverton Cheltenham | 1972 | Full accounts |
| INDEPENDENT TWINE MANUFACTURING COMPANY LIMITED | Textiles | Wrexham | 1976 | Total exemption (full) |
| INDEPENDENT TYRE CONSULTANTS LTD | Rubber and plastics | Widnes | 2004 | Total exemption (full) |
| INDEPENDENT WELDING SERVICES LIMITED | Repair and installation of machinery | Bristol | 1985 | Total exemption (full) |
| INDESPENSION LTD | Fabricated metal products | Horwich, Bolton | 1987 | Full accounts |
| INDEX (MACHINING) LIMITED | Fabricated metal products | Wolverhampton | 1997 | Total exemption (full) |
| INDEX ENCLOSURES LTD | Fabricated metal products | Ashford | 2010 | Total exemption (full) |
| INDICATORS INTERNATIONAL LIMITED | Fabricated metal products | Co Londonderry | 1975 | Total exemption (full) |
| INDICO RUBBER CO. LIMITED | Rubber and plastics | Hyde Cheshire | 1974 | Total exemption (full) |
| INDIGO ACRE INTERIORS LIMITED | Clothing | Redditch | 2003 | Total exemption (full) |
| INDIGO ART LIMITED | Printing and recorded media | Bromborough | 1976 | Total exemption (full) |
| INDIGO LITHOPRINT LTD | Printing and recorded media | Royton | 2000 | Total exemption (full) |
| INDIGO ROSS DESIGN AND PRINT LIMITED | Paper and paperboard | Halstead | 1995 | Total exemption (full) |
| INDIGOBLU LIMITED | Rubber and plastics | Retford | 2010 | Unaudited abridged |
| INDIGOFITNESS LIMITED | Other manufacturing | Nuneaton | 1996 | Total exemption (full) |
| INDIGOVISION LIMITED | Computers, electronics and optics | Edinburgh | 1994 | Small company accounts |
| INDITU AIR SERVICES LIMITED | Repair and installation of machinery | Billericay | 2010 | Total exemption (full) |
| INDIVIOR UK LIMITED | Pharmaceuticals | Hull | 2010 | Full accounts |
| INDORAMA POLYMERS WORKINGTON LIMITED | Rubber and plastics | London | 2007 | Full accounts |
| INDUCTION HEAT TREATMENTS (MANCHESTER) LIMITED | Fabricated metal products | High Peak | 1970 | Unaudited abridged |
| INDUCTION MELTING REPAIRS LIMITED | Machinery and equipment | Sheffield | 2002 | Total exemption (full) |
| INDUCTION PIPE BENDING UK LIMITED | Fabricated metal products | Washington | 2005 | Total exemption (full) |
| INDUCTION TECHNOLOGY GROUP LIMITED | Ships, aircraft, rail and other transport | Coventry | 1987 | Small company accounts |
| INDUCTOTHERM EUROPE LIMITED | Machinery and equipment | Droitwich | 1936 | Group accounts |
| INDUCTOTHERM HEATING & WELDING LIMITED | Machinery and equipment | Basingstoke | 1971 | Full accounts |
| INDUPART LIMITED | Fabricated metal products | Stockport | 1986 | Total exemption (full) |
| INDUSTEEL UK LIMITED | Basic metals | Worcester | 1989 | Medium company accounts |
| INDUSTRIAL & MARINE COATINGS LTD | Chemicals | Bristol | 2010 | Unaudited abridged |
| INDUSTRIAL & MARINE LIFT SERVICES LIMITED | Repair and installation of machinery | Manchester | 1991 | Total exemption (full) |
| INDUSTRIAL & MARINE SILENCERS LIMITED | Fabricated metal products | Loughborough | 1991 | Medium company accounts |
| INDUSTRIAL & PRECIOUS METALS LIMITED | Basic metals | Solihull | 2006 | Unaudited abridged |
| INDUSTRIAL ABRASIVES LIMITED | Other manufacturing | Ringwood | 1980 | Total exemption (full) |
| INDUSTRIAL ACOUSTIC SOLUTIONS LTD | Fabricated metal products | Huddersfield | 2006 | Total exemption (full) |
| INDUSTRIAL AND MARINE HYDRAULICS LIMITED | Fabricated metal products | Middlesbrough | 1983 | Total exemption (full) |
| INDUSTRIAL AND TRACTOR LIMITED | Fabricated metal products | Worcs | 1965 | Medium company accounts |
| INDUSTRIAL AUTOMATION AND CONTROL LIMITED | Electrical equipment | Newport | 1982 | Group accounts |
| INDUSTRIAL BATTERY AND CHARGER SERVICES LIMITED | Repair and installation of machinery | Rotherham | 2000 | Small company accounts |
| INDUSTRIAL BELTING INTERNATIONAL LIMITED | Repair and installation of machinery | Bedford | 2000 | Total exemption (full) |
| INDUSTRIAL BRAKES LIMITED | Other manufacturing | Wolverhampton | 1984 | Total exemption (full) |
| INDUSTRIAL BRUSHWARE LIMITED | Other manufacturing | West Midlands | 1945 | Total exemption (full) |
| INDUSTRIAL CHEMICALS GROUP LIMITED | Chemicals | Brentwood | 1976 | Group accounts |
| INDUSTRIAL CHEMICALS LIMITED | Chemicals | Brentwood | 1999 | Full accounts |
| INDUSTRIAL CLUTCH PARTS LIMITED | Other manufacturing | Whaley Bridge High Peak | 1992 | Total exemption (full) |
| INDUSTRIAL CONTROL DISTRIBUTORS LIMITED | Computers, electronics and optics | Wellingborough | 1998 | Medium company accounts |
| INDUSTRIAL CONTROLS AND AUTOMATION LIMITED | Electrical equipment | Swadlincote | 2009 | Total exemption (full) |
| INDUSTRIAL DIELECTRICS (U.K.) LIMITED | Rubber and plastics | Cradley Heath | 1994 | Small company accounts |
| INDUSTRIAL DOOR COMPANY LIMITED | Repair and installation of machinery | Salford | 2000 | Total exemption (full) |
| INDUSTRIAL DOOR ENGINEERING LIMITED | Fabricated metal products | Winnington | 1991 | Small company accounts |
| INDUSTRIAL DOOR SERVICES LIMITED | Other manufacturing | Newport | 1995 | Total exemption (full) |
| INDUSTRIAL DOOR SYSTEMS LIMITED | Repair and installation of machinery | Manchester | 1987 | Full accounts |
| INDUSTRIAL DOORS (SCOTLAND) LIMITED | Other manufacturing | — | 1983 | Total exemption (full) |
| INDUSTRIAL ELECTRIC ELEMENTS LIMITED | Electrical equipment | Stafford | 2003 | Total exemption (full) |
| INDUSTRIAL ELECTRONIC CONTROLS LIMITED | Repair and installation of machinery | Herne Bay | 2002 | Total exemption (full) |
| INDUSTRIAL ELECTRONIC REPAIRS LTD | Repair and installation of machinery | Letchworth | 2003 | Total exemption (full) |
| INDUSTRIAL ELECTRONIC WIRING LIMITED | Electrical equipment | Swindon | 1996 | Total exemption (full) |
| INDUSTRIAL ENCODERS DIRECT LIMITED | Computers, electronics and optics | Wrexham | 1997 | Total exemption (full) |
| INDUSTRIAL ENERGY SERVICES LIMITED | Repair and installation of machinery | Newcastle upon Tyne | 1983 | Full accounts |
| INDUSTRIAL ENGINEERING PLASTICS LIMITED | Rubber and plastics | Waterlooville | 1986 | Small company accounts |
| INDUSTRIAL ENGINEERING SERVICES (WREXHAM) LIMITED | Fabricated metal products | Shropshire. | 1991 | Total exemption (full) |
| INDUSTRIAL ENGRAVING SERVICES LTD | Other manufacturing | Pembroke Dock | 2006 | Total exemption (full) |
| INDUSTRIAL EYECARE LIMITED | Computers, electronics and optics | Liverpool | 2006 | Total exemption (full) |
| INDUSTRIAL FAN SERVICES LIMITED | Fabricated metal products | Halesowen | 2003 | Unaudited abridged |
| INDUSTRIAL FREEZER SERVICES LIMITED | Fabricated metal products | Immingham, | 1999 | Total exemption (full) |
| INDUSTRIAL FRICTION MATERIALS LIMITED | Fabricated metal products | East Moors Road Ocean Park | 1975 | Total exemption (full) |
| INDUSTRIAL GAS SPRINGS LIMITED | Fabricated metal products | Mitcham | 1983 | Small company accounts |
| INDUSTRIAL GRP LIMITED | Rubber and plastics | Ammanford | 1999 | Total exemption (full) |
| INDUSTRIAL HOME BLINDS (MANUFACTURERS) LIMITED | Textiles | Stirling | 2003 | Total exemption (full) |
| INDUSTRIAL HOSE & PIPE FITTINGS LIMITED | Fabricated metal products | London | 1958 | Audit-exempt subsidiary |
| INDUSTRIAL INKJET LTD | Machinery and equipment | Cambridge | 2005 | Group accounts |
| INDUSTRIAL INTERFACE LIMITED | Computers, electronics and optics | Wimborne | 2005 | Audit-exempt subsidiary |
| INDUSTRIAL LIFTING SOLUTIONS LTD | Repair and installation of machinery | Cheltenham | 2009 | Total exemption (full) |
| INDUSTRIAL MAINTENANCE ENGINEERS (I.M.E.CONTRACTS) LIMITED | Fabricated metal products | Brentwood | 1963 | Total exemption (full) |
| INDUSTRIAL METAL FORMS LIMITED | Fabricated metal products | Brierley Hill | 1980 | Total exemption (full) |
| INDUSTRIAL MINERAL SERVICES LTD | Glass, ceramics, cement and stone | Crewe | 2003 | Total exemption (full) |
| INDUSTRIAL MONITORING SYSTEMS LIMITED | Machinery and equipment | Sunderland | 1993 | Total exemption (full) |
| INDUSTRIAL MOTORS AND GEARS LIMITED | Repair and installation of machinery | Middlesbrough | 2001 | Total exemption (full) |
| INDUSTRIAL PALLET AND TRANSPORT SERVICES LIMITED | Wood products | Harworth | 1996 | Total exemption (full) |
| INDUSTRIAL PAPER CONVERTERS LIMITED | Paper and paperboard | Chesterfield | 2003 | Total exemption (full) |
| INDUSTRIAL PIPEWORK (UK) LIMITED | Fabricated metal products | — | 2003 | Total exemption (full) |
| INDUSTRIAL PLANT SERVICES (UK) LIMITED | Fabricated metal products | Basildon | 2005 | Total exemption (full) |
| INDUSTRIAL PLASTIC FABRICATIONS LIMITED | Rubber and plastics | Nazeing | 1988 | Total exemption (full) |
| INDUSTRIAL PLASTIC SUPPLIES LIMITED | Glass, ceramics, cement and stone | Leeds | 1985 | Total exemption (full) |
| INDUSTRIAL POWER AND ENGINEERING LIMITED | Repair and installation of machinery | Elland | 2006 | Total exemption (full) |
| INDUSTRIAL PRECISION COMPONENTS LTD | Rubber and plastics | Carrickfergus | 2008 | Total exemption (full) |
| INDUSTRIAL PROCESS PUMPS LIMITED | Machinery and equipment | Derby | 1987 | Total exemption (full) |
| INDUSTRIAL PRODUCTS LIMITED | Repair and installation of machinery | Carrickfergus | 2000 | Unaudited abridged |
| INDUSTRIAL PROFILES LIMITED | Other manufacturing | Southampton | 2004 | Total exemption (full) |
| INDUSTRIAL PROJECTS + MAINTENANCE UK LIMITED | Repair and installation of machinery | Blackburn | 2010 | Total exemption (full) |
| INDUSTRIAL PROTECTIVE PAINTS LIMITED | Other manufacturing | Stoke on Trent | 2005 | Total exemption (full) |
| INDUSTRIAL PUMPS AND MOTORS LIMITED | Machinery and equipment | Leicester | 2003 | Total exemption (full) |
| INDUSTRIAL PUMPS LIMITED | Repair and installation of machinery | Rotherham | 2002 | Total exemption (full) |
| INDUSTRIAL REFRIGERATION SERVICES LIMITED | Repair and installation of machinery | Bromsgrove | 1992 | Total exemption (full) |
| INDUSTRIAL RUBBER LIMITED | Rubber and plastics | Fareham | 1997 | Small company accounts |
| INDUSTRIAL SCALES (UK) LIMITED | Other manufacturing | Wolverhampton | 2000 | Total exemption (full) |
| INDUSTRIAL SCIENTIFIC UK LTD | Textiles | Wilmslow | 2001 | Small company accounts |
| INDUSTRIAL SECURITY DOORS LIMITED | Fabricated metal products | Swanley | 1995 | Total exemption (full) |
| INDUSTRIAL SEPARATION SERVICES LTD. | Repair and installation of machinery | Glasgow | 2008 | Total exemption (full) |
| INDUSTRIAL SERVICES (YORK) LIMITED | Other manufacturing | Yorks | 1967 | Total exemption (full) |
| INDUSTRIAL SHUTTER DOOR SERVICES LTD | Fabricated metal products | Bolton | 2007 | Total exemption (full) |
| INDUSTRIAL SITE SERVICES (CAMBRIDGE) LIMITED | Fabricated metal products | Cambridge | 2008 | Total exemption (full) |
| INDUSTRIAL SPECIALIST SERVICES LIMITED | Furniture | Middlesbrough | 1995 | Unaudited abridged |
| INDUSTRIAL SPRAY CONCEPTS LTD | Repair and installation of machinery | Ilkeston | 2007 | Total exemption (full) |
| INDUSTRIAL SWITCHGEAR (MIDLANDS) HOLDINGS LIMITED | Electrical equipment | Redditch | 2010 | Total exemption (full) |
| INDUSTRIAL SWITCHGEAR LIMITED | Electrical equipment | Redditch | 1959 | Total exemption (full) |
| INDUSTRIAL TECHNICAL SERVICES LIMITED | Repair and installation of machinery | Over Cambridgeshire | 1980 | Total exemption (full) |
| INDUSTRIAL TEMPERATURE SENSORS & HEATING ELEMENTS LIMITED | Fabricated metal products | Hebburn | 2004 | Total exemption (full) |
| INDUSTRIAL TEXTILES & PLASTICS LTD | Textiles | York | 1989 | Small company accounts |
| INDUSTRIAL TOMOGRAPHY SYSTEMS LTD | Computers, electronics and optics | Manchester | 2001 | Total exemption (full) |
| INDUSTRIAL TOOLING CORPORATION LIMITED | Machinery and equipment | Tamworth | 1991 | Audit-exempt subsidiary |
| INDUSTRIAL VENTILATION PRODUCTS LIMITED | Fabricated metal products | Southampton | 1997 | Total exemption (full) |
| INDUSTRIAL VISION SYSTEMS LTD. | Other manufacturing | Kidlington | 2000 | Audit-exempt subsidiary |
| INDUSTRIAL WASHING MACHINES LIMITED | Machinery and equipment | West Midlands | 2003 | Total exemption (full) |
| INDUSTRIAL WIPER COMPANY LIMITED | Other manufacturing | Leicester | 2003 | Total exemption (full) |
| INDUSTRIAL WOOD COATINGS LIMITED | Chemicals | Gloucester, | 2000 | Audit-exempt subsidiary |
| INDUSTRIAL WORKWEAR LIMITED | Textiles | Northallerton | 1999 | Unaudited abridged |
| INDUSVENT LIMITED | Machinery and equipment | Rochdale | 1973 | Total exemption (full) |
| INEOS AROMATICS LIMITED | Chemicals | Lyndhurst | 2007 | Full accounts |
| INEOS CHEMICALS GRANGEMOUTH LIMITED | Chemicals | Lyndhurst | 2009 | Audit-exempt subsidiary |
| INEOS COMPOUNDS UK LTD | Chemicals | Co Durham | 1990 | Full accounts |
| INEOS ENTERPRISES GROUP LIMITED | Chemicals | Runcorn | 2003 | Full accounts |
| INEOS FILMS LIMITED | Chemicals | Lyndhurst | 2009 | Full accounts |
| INEOS FLUOR LIMITED | Chemicals | Lyndhurst | 2000 | Full accounts |
| INEOS MANUFACTURING (HULL) LIMITED | Chemicals | Lyndhurst | 2008 | Full accounts |
| INEOS NITRILES (UK) LIMITED | Chemicals | Co Durham | 2007 | Full accounts |
| INEOS OXIDE LIMITED | Chemicals | Lyndhurst | 1998 | Full accounts |
| INEOS SALES (UK) LIMITED | Coke and refined petroleum | Lyndhurst | 2010 | Full accounts |
| INEOS SILICAS LIMITED | Chemicals | Lyndhurst | 1896 | Full accounts |
| INEOS TECHNOLOGIES (VINYLS) LIMITED | Chemicals | Runcorn | 2009 | Full accounts |
| INEOS VINYLS LIMITED | Chemicals | Runcorn | 2005 | Full accounts |
| INETIC LIMITED | Fabricated metal products | Manchester | 2001 | Total exemption (full) |
| INEX SERVICES LIMITED | Furniture | Horsham, | 2002 | Total exemption (full) |
| INFINERA LIMITED | Computers, electronics and optics | London | 2004 | Full accounts |
| INFINEUM INTERNATIONAL LIMITED | Chemicals | Abingdon | 1998 | Full accounts |
| INFINEUM UK LTD. | Chemicals | Abingdon | 1995 | Full accounts |
| INFINITE SOUNDS LIMITED | Computers, electronics and optics | County Durham | 1996 | Total exemption (full) |
| INFINITESIMA LIMITED | Computers, electronics and optics | Abingdon | 2001 | Full accounts |
| INFINITY INCORPORATED LIMITED | Printing and recorded media | Manchester | 1998 | Total exemption (full) |
| INFLIGHT PERIPHERALS LIMITED | Other manufacturing | Newport | 1996 | Full accounts |
| INFLIGHT WORLD LTD. | Textiles | London | 2002 | Unaudited abridged |
| INFLITE ENGINEERING SERVICES LIMITED | Fabricated metal products | Stanstead | 1987 | Full accounts |
| INFLITE MRO SERVICES LIMITED | Repair and installation of machinery | Stansted | 2002 | Small company accounts |
| INFLITE THE JET CENTRE LIMITED | Repair and installation of machinery | Stansted Essex | 1990 | Full accounts |
| INFLOW (UK) LIMITED | Machinery and equipment | Stafford | 1992 | Total exemption (full) |
| INFLUX MEASUREMENTS LIMITED | Machinery and equipment | Eastleigh | 1998 | Total exemption (full) |
| INFO SIGN SYSTEMS (HOLDINGS) LIMITED | Other manufacturing | Edinburgh | 2004 | Unaudited abridged |
| INFOGRAPHICS LIMITED | Printing and recorded media | Cowbridge | 1973 | Total exemption (full) |
| INFOHEALTH LIMITED | Pharmaceuticals | Harrow | 2000 | Total exemption (full) |
| INFORM PRODUCTS LTD | Printing and recorded media | Ipswich | 1937 | Audit-exempt subsidiary |
| INFORMATIC COMPONENT TECHNOLOGY LIMITED | Computers, electronics and optics | Farnham | 1991 | Total exemption (full) |
| INFORMATION PRINTING TECHNOLOGY LIMITED | Printing and recorded media | St. Neots | 2002 | Total exemption (full) |
| INFOTEAM GROUP LIMITED | Repair and installation of machinery | Chessington | 1998 | Total exemption (full) |
| INFOTEAM INTERNATIONAL SERVICES LIMITED | Repair and installation of machinery | Chessington | 1997 | Total exemption (full) |
| INFOTEC LIMITED | Other manufacturing | Ashby-de-la-Zouch | 1992 | Full accounts |
| INFOTONE IMAGING SUPPLIES LIMITED | Other manufacturing | North Yorkshire | 2000 | Unaudited abridged |
| INFRAGLO (SHEFFIELD) LIMITED | Other manufacturing | Sheffield | 1990 | Total exemption (full) |
| INFUSION GB LIMITED | Food products | Gloucester Business Park | 1998 | Small company accounts |
| INGENIA LIMITED | Rubber and plastics | Bristol | 2010 | Full accounts |
| INGENIA SOLUTIONS LIMITED | Machinery and equipment | Tunbridge Wells | 2001 | Total exemption (full) |
| INGENICO (UK) LIMITED | Electrical equipment | Leeds | 1987 | Full accounts |
| INGENIEUR LTD | Fabricated metal products | Croydon | 2000 | Total exemption (full) |
| INGENIOUS AUDIO LIMITED | Computers, electronics and optics | Edinburgh | 2010 | Total exemption (full) |
| INGENSO LIMITED | Computers, electronics and optics | Herne Bay | 2000 | Total exemption (full) |
| INGERSOLL RAND INDUSTRIAL SOLUTIONS LTD | Repair and installation of machinery | Hamilton | 2000 | Full accounts |
| INGEVITY UK LTD | Chemicals | Warrington | 1992 | Full accounts |
| INGIMEX LIMITED | Motor vehicles and parts | Shropshire | 1972 | Full accounts |
| INGLISH DESIGN LTD | Furniture | Knaresborough | 2007 | Total exemption (full) |
| INGOSPEC COMMERCIAL LIMITED | Other manufacturing | Dudley | 2000 | Total exemption (full) |
| INGRAM BROTHERS LTD | Food products | Paisley | 1924 | Medium company accounts |
| INGRAM INSTALLATIONS LIMITED | Repair and installation of machinery | Stockport | 1972 | Total exemption (full) |
| INGRID WEST MACHINERY LIMITED | Electrical equipment | Tewkesbury | 1968 | Total exemption (full) |
| INIGO JONES AND CO. LIMITED | Glass, ceramics, cement and stone | Caernarfon | 1959 | Total exemption (full) |
| INIKO LTD. | Fabricated metal products | Tunbridge Wells | 2006 | Total exemption (full) |
| INISHKEA LIMITED | Rubber and plastics | Falkirk | 2010 | Small company accounts |
| INIVOS LIMITED | Electrical equipment | Peterborough | 2010 | Small company accounts |
| INJ LONDON LTD. | Other manufacturing | London | 2008 | Total exemption (full) |
| INJECTAPLAS LIMITED | Rubber and plastics | Station Road, Rugeley | 2003 | Unaudited abridged |
| INJECTION ALLOYS LIMITED | Fabricated metal products | Rotherham | 1989 | Small company accounts |
| INJECTION MOULDING TOOLS LIMITED | Machinery and equipment | Faringdon | 1996 | Total exemption (full) |
| INJECTION MOULDINGS LIMITED | Rubber and plastics | Cheltenham | 1994 | Total exemption (full) |
| INKREADIBLE LABELS LIMITED | Printing and recorded media | Lancing | 2010 | Total exemption (full) |
| INKTECH LIMITED | Chemicals | Lancashire | 1995 | Total exemption (full) |
| INKWELL PRINTING LTD | Printing and recorded media | Peterborough | 2008 | Total exemption (full) |
| INLEX LOCKING LIMITED | Other manufacturing | Wolverhampton | 1973 | Small company accounts |
| INLINE ENGINEERING LIMITED | Other manufacturing | Malvern | 2008 | Unaudited abridged |
| INMAR AUTOMATION LIMITED | Repair and installation of machinery | Southampton | 1976 | Total exemption (full) |
| INMOULD LIMITED | Rubber and plastics | Leighton Buzzard | 1982 | Total exemption (full) |
| INN GEAR LIMITED | Furniture | Salisbury | 1985 | Medium company accounts |
| INN-HOUSE TECHNOLOGY LIMITED | Repair and installation of machinery | Colchester | 1991 | Total exemption (full) |
| INNATEQ LIMITED | Repair and installation of machinery | Bristol | 2005 | Total exemption (full) |
| INNERGROUND MUSIC LIMITED | Printing and recorded media | Orpington | 2003 | Total exemption (full) |
| INNERGY LPG (BULK) LTD | Chemicals | Leeds | 2007 | Total exemption (full) |
| INNERGY LPG LIMITED | Chemicals | Leeds | 2005 | Total exemption (full) |
| INNERWORKINGS EUROPE LIMITED | Printing and recorded media | London | 1984 | Audit-exempt subsidiary |
| INNGRAIN FURNITURE LIMITED | Furniture | Rochdale | 1999 | Unaudited abridged |
| INNOLAS (UK) LIMITED | Other manufacturing | Leicester | 1997 | Total exemption (full) |
| INNOSPEC LIMITED | Chemicals | Ellesmere Port | 1938 | Full accounts |
| INNOVA ART LIMITED | Paper and paperboard | Harlow | 2003 | Total exemption (full) |
| INNOVA BIOSCIENCES LTD | Pharmaceuticals | Cambridge | 2002 | Full accounts |
| INNOVATE FOODS LIMITED | Food products | Kirkcaldy | 1989 | Full accounts |
| INNOVATE SIGNS LIMITED | Printing and recorded media | Fareham | 2002 | Total exemption (full) |
| INNOVATION LIFTS LIMITED | Machinery and equipment | London | 2010 | Total exemption (full) |
| INNOVATION MOULDINGS LIMITED | Rubber and plastics | Fareham | 2006 | Total exemption (full) |
| INNOVATIVE CLOTHING LIMITED | Clothing | Leicester | 2000 | Total exemption (full) |
| INNOVATIVE DESIGN ORTHOPAEDICS LIMITED | Other manufacturing | Reading | 2009 | Total exemption (full) |
| INNOVATIVE ENVIRONMENTAL SOLUTIONS UK LTD | Basic metals | Warrington | 2008 | Full accounts |
| INNOVATIVE FIRE & SECURITY LIMITED | Repair and installation of machinery | Cardiff | 2008 | Total exemption (full) |
| INNOVATIVE GAS PRODUCTS LIMITED | Fabricated metal products | Exeter | 2003 | Total exemption (full) |
| INNOVATIVE GLASS PRODUCTS LIMITED | Other manufacturing | Street, Swansea | 2001 | Total exemption (full) |
| INNOVATIVE GLOBAL PRODUCTS LIMITED | Other manufacturing | Henley on Thames | 1999 | Total exemption (full) |
| INNOVATIVE OUTDOOR PRODUCTS LIMITED | Other manufacturing | Nelson | 1983 | Total exemption (full) |