Manufacturers: M
2,904 manufacturers
| Manufacturer | Sector | Town | Year | Accounts type |
|---|---|---|---|---|
| M & A COMMERCIAL SERVICES LIMITED | Fabricated metal products | Winsford | 2009 | Total exemption (full) |
| M & A ENGINEERING LIMITED | Other manufacturing | Milford Haven | 2002 | Total exemption (full) |
| M & A SERVICES LIMITED | Repair and installation of machinery | Worcestershire | 1992 | Total exemption (full) |
| M & B (BRAKE PRESS) LIMITED | Fabricated metal products | Bath | 1984 | Total exemption (full) |
| M & B HYDRAULICS LIMITED | Machinery and equipment | Cardiff | 2001 | Total exemption (full) |
| M & B SACKS LIMITED | Textiles | Grantham | 1981 | Total exemption (full) |
| M & C PROPERTY LIMITED | Machinery and equipment | Bristol | 2001 | Total exemption (full) |
| M & D CONCRETE LIMITED | Glass, ceramics, cement and stone | Doncaster | 2009 | Total exemption (full) |
| M & D PROJECTS UK LIMITED | Repair and installation of machinery | Barnsley | 2005 | Total exemption (full) |
| M & D UPHOLSTERY LIMITED | Furniture | Stockport | 2008 | Total exemption (full) |
| M & D WELDING (GLOUCESTER) LIMITED | Fabricated metal products | Gloucester | 2005 | Total exemption (full) |
| M & E JAMES ENGINEERING SERVICES LIMITED | Fabricated metal products | Bilston | 2010 | Unaudited abridged |
| M & E PEARCE LIMITED | Fabricated metal products | Cardigan | 2003 | Total exemption (full) |
| M & G WINDOWS LIMITED | Rubber and plastics | Newcastle upon Tyne | 2003 | Total exemption (full) |
| M & H TECHNICAL SERVICES LIMITED | Electrical equipment | Manchester | 1983 | Total exemption (full) |
| M & I MATERIALS LIMITED | Chemicals | Salford | 1992 | Full accounts |
| M & J (EUROPE) LIMITED | Machinery and equipment | Tredegar | 1990 | Total exemption (full) |
| M & J PRODUCTS LIMITED | Fabricated metal products | Chesterfield | 1999 | Unaudited abridged |
| M & J TEXTILES LIMITED | Textiles | Blackburn | 2003 | Total exemption (full) |
| M & K HOLDINGS (IRELAND) LIMITED | Machinery and equipment | Dungannon | 2005 | Total exemption (full) |
| M & K QUALITY BUTCHERS LIMITED | Food products | Yorkshire | 2003 | Total exemption (full) |
| M & K QUARRY PLANT LTD | Machinery and equipment | Dungannon | 2004 | Total exemption (full) |
| M & L PAPER LIMITED | Paper and paperboard | Chatham | 2005 | Unaudited abridged |
| M & M ACCESS LIMITED | Other manufacturing | Wellingborough | 2003 | Total exemption (full) |
| M & M CATERING SUPPLIES LIMITED | Food products | Avonmouth | 1997 | Total exemption (full) |
| M & M FABRICATIONS LTD | Fabricated metal products | Leicester | 2004 | Total exemption (full) |
| M & M RUBBER ROLLERS LIMITED | Rubber and plastics | Clayton le Moors | 2001 | Total exemption (full) |
| M & M TURNED PARTS LIMITED | Fabricated metal products | Redditch | 2008 | Unaudited abridged |
| M & M WINDOWS LTD | Rubber and plastics | Wigan | 2005 | Total exemption (full) |
| M & M'S METALWORK LIMITED | Basic metals | Winchester | 2004 | Total exemption (full) |
| M & N VEHICLE SERVICES LIMITED | Repair and installation of machinery | Peterborough | 2010 | Total exemption (full) |
| M & P (ENGINEERING) LIMITED | Machinery and equipment | Manchester | 1986 | Total exemption (full) |
| M & P TRANSMISSION GROUP LIMITED | Motor vehicles and parts | Bilston | 1996 | Total exemption (full) |
| M & R PLUMBING & HEATING LTD | Repair and installation of machinery | Bolton | 2005 | Total exemption (full) |
| M & S BLINDS LTD | Furniture | Co Antrim | 2006 | Total exemption (full) |
| M & S CORMACK LIMITED | Repair and installation of machinery | Benfleet | 2002 | Total exemption (full) |
| M & S ENGINEERING LIMITED | Other manufacturing | Eastriggs | 1992 | Total exemption (full) |
| M & S METALS LIMITED | Basic metals | Halesowen | 2000 | Total exemption (full) |
| M & S PROPERTY (ESSEX) LTD | Fabricated metal products | Chelmsford | 1998 | Total exemption (full) |
| M & V PROPERTY SERVICES LIMITED | Other manufacturing | Malvern | 1947 | Total exemption (full) |
| M + J TRADING LTD | Clothing | Stockport | 1990 | Total exemption (full) |
| M -A- M LTD. | Fabricated metal products | Manchester | 1995 | Total exemption (full) |
| M 1 ENGINEERING LIMITED | Other manufacturing | Bradford | 1972 | Medium company accounts |
| M A BUFTON AND SONS LIMITED | Basic metals | Telford | 2003 | Total exemption (full) |
| M A GRAVES JOINERY LTD | Wood products | North Yorkshire | 2003 | Total exemption (full) |
| M A RAINBACK LIMITED | Fabricated metal products | Swanage | 2002 | Total exemption (full) |
| M A WOOD (ENGINEERS) LIMITED | Fabricated metal products | Preston | 2002 | Total exemption (full) |
| M AND G METAL FINISHERS LIMITED | Fabricated metal products | Sowerby Bridge | 2003 | Total exemption (full) |
| M AND H STEEL FABRICATIONS LTD | Fabricated metal products | Basingstoke | 2009 | Total exemption (full) |
| M AND S METAL FABRICATIONS LIMITED | Fabricated metal products | Northowram | 1996 | Total exemption (full) |
| M B DIGITAL LIMITED | Repair and installation of machinery | Kendal | 2010 | Total exemption (full) |
| M B S INTERIORS LIMITED | Furniture | Nottinghamshire | 2003 | Unaudited abridged |
| M BAKER ENGINEERING LIMITED | Repair and installation of machinery | Cullompton | 2009 | Total exemption (full) |
| M BISSELL DISPLAY LIMITED | Fabricated metal products | Derby | 2002 | Total exemption (full) |
| M C E ENGINEERING LIMITED | Fabricated metal products | Derby | 1996 | Total exemption (full) |
| M C ENG. SVS. LTD | Ships, aircraft, rail and other transport | Waterlooville | 2010 | Total exemption (full) |
| M C ENGINEERS LIMITED | Machinery and equipment | Colwick Nottingham | 2004 | Total exemption (full) |
| M C P PLUMBING & HEATING (MIDLANDS) LTD | Repair and installation of machinery | West Bromwich | 2010 | Total exemption (full) |
| M C PRODUCTS LIMITED | Chemicals | Hitchin | 1994 | Total exemption (full) |
| M C T ENGINEERING LIMITED | Rubber and plastics | Daventry | 1995 | Small company accounts |
| M C THOMPSON ORGAN BUILDERS LIMITED | Other manufacturing | Burton on Trent | 2005 | Total exemption (full) |
| M CALDERBANK LIMITED | Repair and installation of machinery | Riversway Preston | 2003 | Total exemption (full) |
| M COATES INDUSTRIAL ENGINEERS LIMITED | Repair and installation of machinery | Gloucester | 2003 | Unaudited abridged |
| M D COLLINS STEEL BUILDINGS LIMITED | Fabricated metal products | Gloucestershire | 2003 | Total exemption (full) |
| M D L KELEX LTD | Printing and recorded media | Stonehouse | 1991 | Total exemption (full) |
| M D M HEALTHCARE LTD | Pharmaceuticals | Wilmslow | 2008 | Total exemption (full) |
| M D M PROPS LIMITED | Other manufacturing | Morden Wharf Road | 2004 | Total exemption (full) |
| M D MARKET DEEPING LTD | Fabricated metal products | Wisbech | 2002 | Total exemption (full) |
| M D METALS & MANUFACTURING LIMITED | Fabricated metal products | Manchester | 1999 | Unaudited abridged |
| M D PLATING LIMITED | Fabricated metal products | Bedfordshire | 1985 | Total exemption (full) |
| M D WOODTECH LTD | Wood products | Tipton | 2009 | Total exemption (full) |
| M G & A ENGINEERING LIMITED | Machinery and equipment | Benfleet | 2003 | Total exemption (full) |
| M G ACCESS LIMITED | Fabricated metal products | Horsforth | 2006 | Total exemption (full) |
| M G AUTOMATION LIMITED | Other manufacturing | Hampshire | 1994 | Total exemption (full) |
| M G CANNON LIMITED | Repair and installation of machinery | Worcester | 2001 | Audit-exempt subsidiary |
| M G ELECTRIC (COLCHESTER) LIMITED | Machinery and equipment | Colchester | 1966 | Total exemption (full) |
| M G J ENGINEERING LIMITED | Repair and installation of machinery | Witham | 2009 | Total exemption (full) |
| M G JOINERY CONTRACTS LTD | Wood products | Lutterworth | 2010 | Total exemption (full) |
| M G STAINLESS LIMITED | Fabricated metal products | Redditch | 1996 | Unaudited abridged |
| M G T THE GAUGEMAKERS LIMITED | Other manufacturing | Andover | 1991 | Total exemption (full) |
| M GEDDES LTD. | Food products | Peterhead | 2004 | Total exemption (full) |
| M H AUTOMATION INTERNATIONAL LIMITED | Computers, electronics and optics | Cardiff | 1994 | Total exemption (full) |
| M H ENGINEERING (FIFE) LIMITED | Fabricated metal products | Glenrothes | 1995 | Total exemption (full) |
| M H P INDUSTRIES LIMITED | Rubber and plastics | Marlow | 1998 | Total exemption (full) |
| M H SUPPLIES LIMITED | Food products | Knutsford | 2000 | Total exemption (full) |
| M HUDSON (MACHINE REMOVALS) LIMITED | Repair and installation of machinery | West Midlands | 2002 | Total exemption (full) |
| M I ENGINEERING LIMITED | Machinery and equipment | Broseley | 1989 | Total exemption (full) |
| M I FABRICATIONS AND SHEET METAL LIMITED | Fabricated metal products | Stockport | 1993 | Total exemption (full) |
| M I PLANT ENGINEERING LTD | Repair and installation of machinery | Newton Abbot | 2006 | Total exemption (full) |
| M J AERONAUTICAL ENGINEERING LIMITED | Other manufacturing | St Asaph | 2009 | Total exemption (full) |
| M J BIRTWISTLE & CO LIMITED | Food products | Manchester | 2003 | Full accounts |
| M J BRYANT ELECTRICAL LIMITED | Other manufacturing | Sudbury | 2004 | Total exemption (full) |
| M J CONDREN LIMITED | Other manufacturing | Kent | 2003 | Total exemption (full) |
| M J E MECHANICAL ENGINEERING LIMITED | Repair and installation of machinery | Aylesbury | 2006 | Total exemption (full) |
| M J ELECTRONICS LIMITED | Computers, electronics and optics | Leicester | 2002 | Total exemption (full) |
| M J ENGINEERING (SCOTLAND) LIMITED | Fabricated metal products | Ellon | 2005 | Total exemption (full) |
| M J HOOPER LTD | Fabricated metal products | Hampshire | 2003 | Total exemption (full) |
| M J LIGHTING TECHNOLOGY LIMITED | Electrical equipment | Chester | 2002 | Total exemption (full) |
| M J M TOOLMAKING LIMITED | Fabricated metal products | Rotherham | 2001 | Total exemption (full) |
| M J MAILLIS (UK) LIMITED | Repair and installation of machinery | Nottingham | 1996 | Small company accounts |
| M J METAL FINISHERS LIMITED | Fabricated metal products | Oldham | 2009 | Total exemption (full) |
| M J PRODUCTS LTD | Machinery and equipment | Leicester | 2009 | Unaudited abridged |
| M J SOLPAC LIMITED | Other manufacturing | Telford | 2000 | Total exemption (full) |
| M J WOODWORKING LTD | Other manufacturing | Parkgate | 2007 | Total exemption (full) |
| M K ANDREWS CONCRETE PUMPING LIMITED | Glass, ceramics, cement and stone | Wymondham | 2009 | Total exemption (full) |
| M K M ELEVATORS LIMITED | Repair and installation of machinery | Farringdon | 2005 | Unaudited abridged |
| M K TAILOR LIMITED | Textiles | London | 2005 | Total exemption (full) |
| M L (UK) LIMITED | Other manufacturing | Hampshire | 2002 | Total exemption (full) |
| M M C (EUROPE) LIMITED | Machinery and equipment | Cramlington | 1981 | Total exemption (full) |
| M M I SPORTSCARS LIMITED | Motor vehicles and parts | Suffolk | 2007 | Total exemption (full) |
| M P C FABRICATION LIMITED | Fabricated metal products | Harrow | 2002 | Total exemption (full) |
| M P ENGINEERING (UK) LIMITED | Fabricated metal products | Hinckley | 2004 | Total exemption (full) |
| M P FILTRI (UK) LIMITED | Machinery and equipment | Evesham | 1987 | Full accounts |
| M P J FABRICATIONS LTD | Fabricated metal products | Warwick | 2003 | Total exemption (full) |
| M P K CONTROLS LTD. | Electrical equipment | Solihull | 1988 | Total exemption (full) |
| M P R ELECTRIC GATES LIMITED | Fabricated metal products | Mansfield | 2007 | Total exemption (full) |
| M P S PROPERTY (UK) LIMITED | Electrical equipment | Slough | 2010 | Total exemption (full) |
| M R B SCHUMAG LTD | Machinery and equipment | Bishop Auckland | 1975 | Full accounts |
| M R DENTAL SUPPLIES LIMITED | Other manufacturing | Surrey | 1997 | Unaudited abridged |
| M S A ENGINEERING SYSTEMS LIMITED | Machinery and equipment | Halifax | 1991 | Total exemption (full) |
| M S INSTRUMENTS LIMITED | Computers, electronics and optics | Bicester | 1967 | Total exemption (full) |
| M S VENTILATION LIMITED | Machinery and equipment | Bristol | 2003 | Total exemption (full) |
| M SEALS UK (ENGINEERED SEALS DIVISION) LIMITED | Other manufacturing | London | 2003 | Audit-exempt subsidiary |
| M SUBS LIMITED | Other manufacturing | Plymouth | 2006 | Group accounts |
| M T HENRICK LIMITED | Other manufacturing | Halesowen | 1972 | Total exemption (full) |
| M T PERRY ENGINEERING LIMITED | Fabricated metal products | Maidenhead | 1994 | Total exemption (full) |
| M T WASTE MANAGEMENT & MANUFACTURING LTD | Other manufacturing | Armagh | 2001 | Total exemption (full) |
| M V DIGITAL PRINTING LIMITED | Printing and recorded media | Stanmore | 2005 | Total exemption (full) |
| M V PLASTICS LIMITED | Chemicals | Ware | 1999 | Small company accounts |
| M WIDDUP & SONS LIMITED | Printing and recorded media | West Yorkshire | 1951 | Total exemption (full) |
| M X SYSTEMS INTERNATIONAL LIMITED | Chemicals | Coventry | 1998 | Small company accounts |
| M YATES AND SONS LIMITED | Food products | Newquay | 1999 | Total exemption (full) |
| M&M SEAFOOD LTD | Food products | Leicester | 2009 | Total exemption (full) |
| M&P INTERNATIONAL (UK) LIMITED | Computers, electronics and optics | Farnham | 2000 | Full accounts |
| M&R CONTROLS (UK) LIMITED | Electrical equipment | Sutton-in-Ashfield | 2005 | Total exemption (full) |
| M&R PERKINS LTD | Furniture | Nottingham | 2003 | Total exemption (full) |
| M&S PRECISION ENGINEERS LIMITED | Fabricated metal products | Wickford | 2005 | Total exemption (full) |
| M'N R MOWERS LIMITED | Repair and installation of machinery | Honiton | 2004 | Total exemption (full) |
| M-MOVER HOLDINGS LIMITED | Machinery and equipment | Ashbourne | 2009 | Group accounts |
| M-O-8 SPECIALITIES LIMITED | Chemicals | Pershore | 2000 | Unaudited abridged |
| M-SOLV LTD | Machinery and equipment | Witney | 2004 | Small company accounts |
| M-TECH ENGINEERING (DERBY) LIMITED | Basic metals | Derby | 2003 | Total exemption (full) |
| M-TECH.CO.UK LTD | Repair and installation of machinery | Bedford | 2003 | Total exemption (full) |
| M. & A. BROWN (ENGRAVERS) LIMITED | Rubber and plastics | Worsley | 1979 | Total exemption (full) |
| M. & A. PACKAGING SERVICES LIMITED | Computers, electronics and optics | Worcestershire | 1985 | Total exemption (full) |
| M. & M. (STEEL FABRICATIONS) LIMITED | Fabricated metal products | Newry | 1985 | Total exemption (full) |
| M. & N. CANVAS SERVICES LIMITED | Other manufacturing | Ecclesfield, Sheffield | 1978 | Total exemption (full) |
| M. & S. WATERSERVICES LIMITED | Chemicals | Altrincham | 1988 | Total exemption (full) |
| M. & W. CONTRACTORS (PENSNETT) LIMITED | Fabricated metal products | West Midlands | 1974 | Total exemption (full) |
| M. BATCHELOR SERVICES LIMITED | Repair and installation of machinery | Surrey | 2002 | Total exemption (full) |
| M. BEATTIE & SON LIMITED | Food products | Newtownstewart | 1977 | Unaudited abridged |
| M. BIELBY LIMITED | Repair and installation of machinery | East Yorkshire | 1973 | Total exemption (full) |
| M. BILLINGHAM & CO. LIMITED | Leather goods and footwear | Cradley Heath | 1983 | Total exemption (full) |
| M. BOOTH (BUILDERS) LIMITED | Wood products | West Sussex | 1976 | Total exemption (full) |
| M. BREEZE ELECTRICAL LIMITED | Repair and installation of machinery | Norwich | 2008 | Total exemption (full) |
| M. BUTTKEREIT LIMITED | Machinery and equipment | Cheshire | 1985 | Total exemption (full) |
| M. C. HERSEY & SON LTD | Other manufacturing | Weybridge | 1997 | Total exemption (full) |
| M. G. DUFF INTERNATIONAL LIMITED | Basic metals | Chichester | 1991 | Total exemption (full) |
| M. GRAY FABRICATIONS LIMITED | Fabricated metal products | Cradley Heath | 2004 | Unaudited abridged |
| M. GREENAWAY & SON LIMITED | Fabricated metal products | Walsall | 1976 | Total exemption (full) |
| M. H. INDUSTRIAL LIMITED | Fabricated metal products | Hull | 2000 | Total exemption (full) |
| M. HALL ASSOCIATES LIMITED | Machinery and equipment | Cwmbran | 2004 | Total exemption (full) |
| M. J. FARRINGTON LIMITED | Repair and installation of machinery | Southampton | 1997 | Total exemption (full) |
| M. J. FURNITURE LIMITED | Furniture | Burnley | 2003 | Total exemption (full) |
| M. J. HOWARD TECHNICAL SERVICES LIMITED | Repair and installation of machinery | Bury | 1989 | Total exemption (full) |
| M. J. M. DESIGN & DRAUGHTING LIMITED | Other manufacturing | Hednesford | 1998 | Total exemption (full) |
| M. L. STAINLESS FABRICATIONS LIMITED | Fabricated metal products | Cleckheaton | 2005 | Total exemption (full) |
| M. M. BELL & SONS LIMITED | Paper and paperboard | Sheffield | 1998 | Total exemption (full) |
| M. MANDZIAK LIMITED | Repair and installation of machinery | Accrington | 2008 | Total exemption (full) |
| M. NAJIB & SONS LIMITED | Food products | Foston | 1998 | Total exemption (full) |
| M. O'DELL LIMITED | Fabricated metal products | Ashford | 2008 | Total exemption (full) |
| M. P. E. ELECTRONICS LIMITED | Electrical equipment | Uckfield | 1986 | Total exemption (full) |
| M. PITCHFORD HOLDINGS LIMITED | Basic metals | Brierley Hill | 1989 | Total exemption (full) |
| M. R. MACHINE KNIVES LTD | Fabricated metal products | Sheffield | 2008 | Small company accounts |
| M. R. S. TRANSFERS LIMITED | Printing and recorded media | Bucks | 2006 | Total exemption (full) |
| M. T. HAYWARD LIMITED | Machinery and equipment | Newbury | 2002 | Audit-exempt subsidiary |
| M. THORNTON ENGINEERING LIMITED | Machinery and equipment | Huddersfield | 2002 | Total exemption (full) |
| M. WILLIAMS & SONS LIMITED | Repair and installation of machinery | Nr Ruthin | 2000 | Total exemption (full) |
| M. WRIGHT & SONS LIMITED | Textiles | Loughborough | 2000 | Full accounts |
| M.&C.T. LTD | Glass, ceramics, cement and stone | St. Helens | 2002 | Unaudited abridged |
| M.A. FORD EUROPE LIMITED | Fabricated metal products | Derby | 1967 | Full accounts |
| M.A. HORNE LIMITED | Electrical equipment | Bournemouth | 1985 | Total exemption (full) |
| M.A. PLATT LIMITED | Furniture | Oldham | 1952 | Total exemption (full) |
| M.A.C. MOORHOUSE AIR CONDITIONING LTD | Repair and installation of machinery | Barnsley | 1997 | Total exemption (full) |
| M.A.C.-RK PRECISION ENGINEERING LIMITED | Fabricated metal products | Bridge Road Southall | 1989 | Total exemption (full) |
| M.A.F. ENGINEERING (U.K.) LIMITED | Fabricated metal products | — | 1997 | Total exemption (full) |
| M.B. FRAMES P.V.C.-U LIMITED | Other manufacturing | Bristol | 1992 | Total exemption (full) |
| M.B. PRECISION ENGINEERING (NORTH EAST) LIMITED | Fabricated metal products | Newcastle upon Tyne | 2005 | Total exemption (full) |
| M.B. PRODUCTS LIMITED | Leather goods and footwear | Barnsley | 1991 | Total exemption (full) |
| M.B.JOINERY (CHIRTON) LIMITED | Wood products | Devizes | 2002 | Total exemption (full) |
| M.B.O.S. LIMITED | Other manufacturing | Prescot | 2001 | Total exemption (full) |
| M.BRITTAIN(YORK)LIMITED | Fabricated metal products | York | 1972 | Group accounts |
| M.C FURNACES LIMITED | Machinery and equipment | South Yorkshire | 1998 | Total exemption (full) |
| M.C. CONSTRUCTION EQUIPMENT LIMITED | Machinery and equipment | Greenford | 1995 | Full accounts |
| M.C. ELECTRONICS LIMITED | Machinery and equipment | Middlesex | 1980 | Total exemption (full) |
| M.C.H. ELECTRICAL SYSTEMS LIMITED | Computers, electronics and optics | Willenhall | 1984 | Total exemption (full) |
| M.D. DIAGNOSTICS LIMITED | Computers, electronics and optics | Chatham | 2008 | Total exemption (full) |
| M.D. HOTEL INTERIORS LIMITED | Furniture | Warrington | 1984 | Total exemption (full) |
| M.D. JOINERY (UPVC) LIMITED | Other manufacturing | Southport | 2006 | Total exemption (full) |
| M.D.A. INTERIORS LIMITED | Wood products | Farnborough | 2009 | Total exemption (full) |
| M.D.C. (SCOTLAND) LTD. | Furniture | Stirling | 1998 | Total exemption (full) |
| M.D.M. PACKAGING MACHINERY LIMITED | Machinery and equipment | Redditch | 1999 | Total exemption (full) |
| M.E. PERRINS CAR & LIGHT COMMERCIAL VEHICLE PAINTING LIMITED | Motor vehicles and parts | Wolverhampton | 1979 | Unaudited abridged |
| M.E. WATERHOUSE LIMITED | Food products | Nantwich | 1985 | Small company accounts |
| M.E.R. SERVICES LIMITED | Wood products | Droitwich | 2004 | Total exemption (full) |
| M.E.S.POWERSPORTS LIMITED | Repair and installation of machinery | Deeside | 2006 | Unaudited abridged |
| M.F.C. INTERNATIONAL LIMITED | Other manufacturing | Tunbridge Wells | 1959 | Small company accounts |
| M.F.D. CAPACITORS (1991) LIMITED | Computers, electronics and optics | Wrexham | 1991 | Total exemption (full) |
| M.F.H. CONTRACT ENGINEERING SERVICES LIMITED | Repair and installation of machinery | Sheffield | 1975 | Total exemption (full) |
| M.G.B. PRESS BRAKE SECTIONS LIMITED | Fabricated metal products | Kingswinford | 1990 | Total exemption (full) |
| M.H. HALL & SONS LIMITED | Fabricated metal products | Banbury | 1988 | Total exemption (full) |
| M.H.C. INDUSTRIALS LIMITED | Repair and installation of machinery | Staffordshire | 1957 | Total exemption (full) |
| M.H.SOUTHERN & COMPANY LIMITED | Wood products | Gateshead | 1949 | Full accounts |
| M.HASSON AND SONS LIMITED | Fabricated metal products | Ballymena | 1977 | Total exemption (full) |
| M.I. DICKSON LIMITED | Food products | South Shields | 1953 | Full accounts |
| M.I. SUPPLIES LIMITED | Clothing | Northallerton | 2005 | Total exemption (full) |
| M.I.S. ARCHITECTURAL ALUMINIUM LIMITED | Fabricated metal products | Rotherham | 1991 | Unaudited abridged |
| M.J. ABBOTT LIMITED | Repair and installation of machinery | Salisbury | 1985 | Full accounts |
| M.J. ALLEN METALWORK LTD | Other manufacturing | Ashford | 1996 | Small company accounts |
| M.J. ALLEN PRECISION LTD | Fabricated metal products | Ashford | 1987 | Audit-exempt subsidiary |
| M.J. DANBY LIMITED | Machinery and equipment | Stourbridge | 1973 | Total exemption (full) |
| M.J. METALCRAFT LIMITED | Fabricated metal products | Birmingham | 1984 | Total exemption (full) |
| M.J. RAVEN & SON LIMITED | Fabricated metal products | Broadstairs | 1993 | Total exemption (full) |
| M.J. SECTIONS LIMITED | Fabricated metal products | Netherton | 1979 | Medium company accounts |
| M.J. T.V. REPAIRS LTD | Repair and installation of machinery | Swansea | 2003 | Total exemption (full) |
| M.J. WOODWORKING MACHINERY LTD | Machinery and equipment | Crumlin | 2006 | Total exemption (full) |
| M.J. WRIGHT & SONS LIMITED | Glass, ceramics, cement and stone | Cheltenham | 1999 | Total exemption (full) |
| M.J.A. PLANT SERVICES LIMITED | Repair and installation of machinery | Redditch | 2005 | Unaudited abridged |
| M.J.M. MARINE LIMITED | Furniture | Newry | 1995 | Full accounts |
| M.K. (WALES) LIMITED | Food products | Mid Glamorgan | 1998 | Total exemption (full) |
| M.K. MARKING SYSTEMS LIMITED | Other manufacturing | Milton Keynes | 1984 | Total exemption (full) |
| M.K. SITE SERVICES LIMITED | Repair and installation of machinery | Broxburn | 1997 | Unaudited abridged |
| M.K. TEST SYSTEMS LTD. | Computers, electronics and optics | Wellington | 1992 | Full accounts |
| M.K.L. AUTOMATION LIMITED | Repair and installation of machinery | Bolton | 2000 | Total exemption (full) |
| M.K.M. EXTRUSIONS LIMITED | Rubber and plastics | Lostwithiel | 1983 | Unaudited abridged |
| M.L. TRAILERS LIMITED | Repair and installation of machinery | Banbury | 1987 | Total exemption (full) |
| M.L.P. RAILWAY MAINTENANCE LTD. | Ships, aircraft, rail and other transport | Nottingham | 1994 | Total exemption (full) |
| M.N.P. GEMS LIMITED | Other manufacturing | Birmingham | 2006 | Total exemption (full) |
| M.N.S. TEXTILES LIMITED | Textiles | Huddersfield | 2004 | Total exemption (full) |
| M.O.J. ENGINEERING LIMITED | Fabricated metal products | Bognor Regis | 1995 | Total exemption (full) |
| M.P. (EASTERN) LIMITED | Fabricated metal products | Lowestoft | 1985 | Total exemption (full) |
| M.P. BIO SCIENCE LIMITED | Food products | Derby | 2007 | Total exemption (full) |
| M.P. PRINTERS (THAME) LIMITED | Printing and recorded media | Thame | 1975 | Total exemption (full) |
| M.P.B. ENGINEERING (FALMOUTH) LIMITED | Repair and installation of machinery | Cornwall | 1999 | Total exemption (full) |
| M.P.L. BUILDING SERVICES LIMITED | Repair and installation of machinery | Farnham | 1998 | Total exemption (full) |
| M.P.M. ENGINEERING SERVICES LIMITED | Fabricated metal products | St Albans | 1988 | Total exemption (full) |
| M.P.V. PACKAGING LIMITED | Paper and paperboard | Wigan | 2001 | Total exemption (full) |
| M.R. DEAN LIMITED | Repair and installation of machinery | Shifnal | 1969 | Total exemption (full) |
| M.R. ELLIS (TIMBER) LIMITED | Wood products | Norwich | 1974 | Total exemption (full) |
| M.R.B. FABRICATIONS LIMITED | Fabricated metal products | Bury | 2002 | Total exemption (full) |
| M.R.E. SERVICES (BEWDLEY) LIMITED | Repair and installation of machinery | Rotherham | 2002 | Total exemption (full) |
| M.R.G. SYSTEMS LIMITED | Computers, electronics and optics | Stonehouse | 1983 | Total exemption (full) |
| M.S. GEORGE LIMITED | Chemicals | Surrey | 1972 | Small company accounts |
| M.S. KITCHENS & BEDROOMS LIMITED | Furniture | Pontefract | 1999 | Total exemption (full) |
| M.S.H. ELECTRONICS LIMITED | Computers, electronics and optics | Exeter | 2003 | Total exemption (full) |
| M.S.MICHAEL & CO. LIMITED | Clothing | Chatham | 1932 | Total exemption (full) |
| M.S.P. (SCOTLAND) LIMITED | Fabricated metal products | Cumbernauld | 1992 | Full accounts |
| M.S.R. ELECTRONICS LIMITED | Glass, ceramics, cement and stone | Nr Coventry | 1966 | Total exemption (full) |
| M.SEDGWICK & COMPANY LIMITED | Machinery and equipment | Leeds | 1957 | Total exemption (full) |
| M.T. FABRICATIONS LIMITED | Fabricated metal products | West Sussex | 1990 | Total exemption (full) |
| M.T.I. (1998) LTD | Fabricated metal products | Watford | 1998 | Total exemption (full) |
| M.T.L. ENGINEERING LIMITED | Repair and installation of machinery | Kidderminster | 2003 | Total exemption (full) |
| M.T.M. PRODUCTS (INDUSTRIAL SCREEN PROCESS PRINTERS) LIMITED | Printing and recorded media | Chesterfield | 1976 | Small company accounts |
| M.T.M. UNITS LIMITED | Other manufacturing | Hove | 2000 | Total exemption (full) |
| M.V.- MECCANICA VERGHERA LIMITED | Motor vehicles and parts | Walsall | 1990 | Total exemption (full) |
| M.V.R. AUTOS LTD | Repair and installation of machinery | Widnes | 2009 | Total exemption (full) |
| M.W. (POLYMER PRODUCTS) LIMITED | Chemicals | Derby | 1992 | Total exemption (full) |
| M.W.S. (RUTHIN) LIMITED | Repair and installation of machinery | Ruthin | 1990 | Total exemption (full) |
| M1 HOSE & HYDRAULICS LIMITED | Other manufacturing | West Yorkshire | 2001 | Total exemption (full) |
| M2 BUILDING SERVICES LIMITED | Furniture | Welling | 2007 | Total exemption (full) |
| M3 CHANGEPARTS LTD | Machinery and equipment | Mansfield | 2005 | Total exemption (full) |
| M4 UK LIMITED | Other manufacturing | York | 2002 | Total exemption (full) |
| M5 AUTOMATION LIMITED | Electrical equipment | Durham | 2007 | Total exemption (full) |
| M8TRIX PRECISION ENGINEERING LIMITED | Other manufacturing | Cambridge | 2005 | Total exemption (full) |
| MABRON PLASTICS LIMITED | Rubber and plastics | Blackburn | 1976 | Total exemption (full) |
| MABUR CHEMICALS LIMITED | Chemicals | — | 1983 | Total exemption (full) |
| MAC CONTRACTING (UK) LIMITED | Machinery and equipment | Walsall | 1994 | Total exemption (full) |
| MAC EUROPE LIMITED | Leather goods and footwear | Hemel Hempstead | 2003 | Total exemption (full) |
| MAC PROFESSIONAL HAIRCARE LIMITED | Chemicals | Enfield | 2008 | Total exemption (full) |
| MAC WAREWASHING SERVICE LIMITED | Repair and installation of machinery | Warwickshire | 2008 | Total exemption (full) |
| MAC'S TRANSPORT (NORTHERN) LIMITED | Motor vehicles and parts | Huddersfield | 1973 | Group accounts |
| MAC'S TRUCK SALES LIMITED | Motor vehicles and parts | Huddersfield | 1996 | Full accounts |
| MACART TEXTILES(MACHINERY)LIMITED | Machinery and equipment | Bradford | 1956 | Total exemption (full) |
| MACARTHYS LABORATORIES LIMITED | Pharmaceuticals | Romford | 1959 | Full accounts |
| MACAUTO LIMITED | Machinery and equipment | Norwich | 1994 | Total exemption (full) |
| MACAWBER UK LTD | Machinery and equipment | Sudbury | 1994 | Total exemption (full) |
| MACBETH 12 LIMITED | Rubber and plastics | London | 2003 | Total exemption (full) |
| MACBRIDE GROUP LTD | Repair and installation of machinery | Glenrothes | 2009 | Total exemption (full) |
| MACCORNS LIMITED | Food products | Bathgate | 2001 | Unaudited abridged |
| MACDERMID AUTOTYPE LIMITED | Rubber and plastics | Oxon | 1923 | Full accounts |
| MACDERMID CANNING LIMITED | Chemicals | Wigan | 1955 | Full accounts |
| MACDERMID PERFORMANCE SOLUTIONS UK LIMITED | Chemicals | Woking | 1976 | Full accounts |
| MACDONALD & MUIR LIMITED | Beverages | Edinburgh | 1936 | Full accounts |
| MACDONALD AIR PRODUCTS LIMITED | Fabricated metal products | Glasgow | 2009 | Total exemption (full) |
| MACDONALD BROS. LTD. | Food products | Perthshire | 2003 | Total exemption (full) |
| MACDONELL CERAMICS LTD | Glass, ceramics, cement and stone | Chippenham | 2002 | Total exemption (full) |
| MACDUFF & COMPANY LIMITED | Beverages | Glasgow | 1991 | Small company accounts |
| MACDUFF INTERNATIONAL (SCOTCH WHISKY) LIMITED | Beverages | Glasgow | 1991 | Full accounts |
| MACDUFF SHELLFISH (SCOTLAND) LIMITED | Food products | Aberdeen | 1987 | Full accounts |
| MACDUFF SHIPYARDS LIMITED | Ships, aircraft, rail and other transport | — | 1977 | Full accounts |
| MACE INDUSTRIES LIMITED | Machinery and equipment | Corby Northampton | 1991 | Total exemption (full) |
| MACE INTERIORS UK LIMITED | Furniture | Neath | 2002 | Total exemption (full) |
| MACEMAIN + AMSTAD LIMITED | Fabricated metal products | Corby | 1997 | Small company accounts |
| MACEY CONTROLS LIMITED | Computers, electronics and optics | Chertsey | 1992 | Total exemption (full) |
| MACFARLAN SMITH LIMITED | Pharmaceuticals | Edinburgh | 1960 | Full accounts |
| MACFARLANE LABELS LIMITED | Printing and recorded media | Ayrshire | 1949 | Full accounts |
| MACFARLANE MEAT PRODUCTS LIMITED | Food products | Perthshire | 1990 | Total exemption (full) |
| MACFARLANE TECHNOLOGY LIMITED | Fabricated metal products | Aberdeen | 2003 | Total exemption (full) |
| MACFARLANE THIRSK LIMITED | Machinery and equipment | East Yorkshire | 1938 | Total exemption (full) |
| MACGREGOR INDUSTRIES LIMITED | Other manufacturing | Maidenhead | 1962 | Total exemption (full) |
| MACH 2 ENGINEERING LIMITED | Fabricated metal products | Ringwood | 1997 | Total exemption (full) |
| MACH ONE ENGINEERING LIMITED | Basic metals | Aylesbury | 2009 | Unaudited abridged |
| MACHINE AUTOMATION LIMITED | Repair and installation of machinery | Kingston upon Thames | 2004 | Total exemption (full) |
| MACHINE BUILDING SYSTEMS LIMITED | Fabricated metal products | Derbyshire | 1989 | Unaudited abridged |
| MACHINE CODE ENGINEERING LIMITED | Machinery and equipment | Manchester | 2010 | Total exemption (full) |
| MACHINE COVERS LIMITED | Glass, ceramics, cement and stone | Bisley | 1980 | Total exemption (full) |
| MACHINE ENGINEERING SERVICES LIMITED | Repair and installation of machinery | Cleckheaton | 2001 | Total exemption (full) |
| MACHINE GUARD SOLUTIONS LIMITED | Computers, electronics and optics | Rushden | 2008 | Total exemption (full) |
| MACHINE HIRE LIMITED | Repair and installation of machinery | Chelmsford | 2001 | Total exemption (full) |
| MACHINE TECH ENGINEERING LIMITED | Fabricated metal products | Wednesbury | 2006 | Total exemption (full) |
| MACHINE TOOL AND ENGINEERING SERVICES LIMITED | Repair and installation of machinery | Gosport | 1993 | Total exemption (full) |
| MACHINE TOOL ENGINEERS (E.K.) LIMITED | Fabricated metal products | Glasgow | 1971 | Unaudited abridged |
| MACHINE TOOL TECHNICAL SERVICES LTD | Repair and installation of machinery | Musselburgh | 2003 | Unaudited abridged |
| MACHINE TOOL TECHNOLOGIES LIMITED | Machinery and equipment | Chorley | 2001 | Total exemption (full) |
| MACHINE TRANSPORT SERVICES LIMITED | Repair and installation of machinery | Coventry | 2000 | Total exemption (full) |
| MACHINECO LIMITED | Machinery and equipment | South Yorkshire | 2004 | Total exemption (full) |
| MACHINED COMPONENT SYSTEMS LIMITED | Fabricated metal products | Redditch | 1986 | Total exemption (full) |
| MACHINEFOREST LIMITED | Computers, electronics and optics | Oxford | 2008 | Total exemption (full) |
| MACHINEPART ENGINEERING LIMITED | Other manufacturing | Haverhill | 1999 | Total exemption (full) |
| MACHINERY ENGINEERING LIMITED | Machinery and equipment | Walsall | 1992 | Total exemption (full) |
| MACHINERY PLANT SERVICES LIMITED | Repair and installation of machinery | Towcester | 1972 | Total exemption (full) |
| MACHINERY SERVICES UK LIMITED | Machinery and equipment | Mirfield | 2006 | Total exemption (full) |
| MACHINES (U.K.) LIMITED | Machinery and equipment | Aberdeenshire | 1999 | Total exemption (full) |
| MACHINES AND TOOLS LIMITED | Machinery and equipment | Leigh | 2003 | Total exemption (full) |
| MACHINES AUTOMATION ROBOTIC SYSTEMS LTD | Machinery and equipment | York | 1984 | Total exemption (full) |
| MACHINING TECHNIQUES LTD | Fabricated metal products | Tyne and Wear | 2004 | Total exemption (full) |
| MACHTECH TECHNOLOGY LIMITED | Fabricated metal products | Wakefield | 2009 | Total exemption (full) |
| MACK STRUCTURES LTD | Fabricated metal products | Cambridge | 2010 | Total exemption (full) |
| MACKAY & INGLIS LIMITED | Paper and paperboard | — | 1976 | Small company accounts |
| MACKAY BOAT BUILDERS (ARBROATH) LIMITED | Repair and installation of machinery | Arbroath | 1990 | Total exemption (full) |
| MACKAY STEELWORK & CLADDING LIMITED | Fabricated metal products | Invergordon | 1995 | Total exemption (full) |
| MACKAY'S LTD. | Food products | Arbroath | 1994 | Full accounts |
| MACKENZIE CORPORATION LIMITED | Ships, aircraft, rail and other transport | Milford Haven | 2010 | Total exemption (full) |
| MACKENZIE INTERNATIONAL LIMITED | Ships, aircraft, rail and other transport | Milford Haven | 2001 | Total exemption (full) |
| MACKENZIE TOOLS AND PRODUCTIONS LIMITED | Fabricated metal products | Redditch | 1940 | Total exemption (full) |
| MACKENZIE WELDING LTD | Fabricated metal products | Tarbert | 2010 | Total exemption (full) |
| MACKEY OPTICIANS LTD | Other manufacturing | — | 1949 | Total exemption (full) |
| MACKIE'S LIMITED | Food products | Aberdeenshire | 1954 | Full accounts |
| MACKINTOSH LIMITED | Clothing | London | 1974 | Full accounts |
| MACKLE SNACKS LIMITED | Food products | Dungannon | 2005 | Medium company accounts |
| MACKWELL ELECTRONICS LIMITED | Computers, electronics and optics | Walsall | 1979 | Medium company accounts |
| MACLEAN'S BAKERY (BENBECULA) LIMITED | Food products | — | 1986 | Total exemption (full) |
| MACLEANS HIGHLAND BAKERY LTD. | Food products | Forres | 2004 | Total exemption (full) |
| MACLEOD GLASS LIMITED | Glass, ceramics, cement and stone | Hawick | 2003 | Total exemption (full) |
| MACLEODS PHARMA UK LIMITED | Pharmaceuticals | Billingham | 2007 | Small company accounts |
| MACLIN SOURCING SOLUTIONS LIMITED | Chemicals | Bury St Edmunds | 2003 | Total exemption (full) |
| MACNAUGHTON HOLDINGS LIMITED | Textiles | Perth | 1986 | Total exemption (full) |
| MACNEICE FRUIT LIMITED | Food products | Craigavon | 2006 | Total exemption (full) |
| MACNEIL TRAINING AND DEVELOPMENTS LIMITED | Repair and installation of machinery | Lanarkshire | 1988 | Total exemption (full) |
| MACONTROLS LIMITED | Repair and installation of machinery | Cheltenham | 2003 | Total exemption (full) |
| MACOPHARMA (UK) LIMITED | Pharmaceuticals | London | 1986 | Small company accounts |
| MACPAC LIMITED | Rubber and plastics | Heaton Mersey | 1973 | Total exemption (full) |
| MACPHERSON (SCOTLAND) LIMITED | Clothing | Edinburgh | 2004 | Total exemption (full) |
| MACPHIE LIMITED | Food products | Stonehaven | 1956 | Full accounts |
| MACPRO DESIGN & PRINT LIMITED | Printing and recorded media | Harpenden | 2003 | Total exemption (full) |
| MACREFRESH LTD | Computers, electronics and optics | Ipswich | 2010 | Total exemption (full) |
| MACRETE IRELAND LIMITED | Glass, ceramics, cement and stone | Co Antrim | 1979 | Full accounts |
| MACRON SAFETY SYSTEMS (UK) LIMITED | Other manufacturing | Great Yarmouth | 1974 | Full accounts |
| MACSCOTT BOND LIMITED | Machinery and equipment | Edinburgh | 1973 | Small company accounts |
| MACSWEEN OF EDINBURGH LIMITED | Food products | Loanhead | 1994 | Small company accounts |
| MACTAGGART, SCOTT & COMPANY LIMITED | Machinery and equipment | Loanhead | 1974 | Full accounts |
| MACTAPES LIMITED | Textiles | Stalybridge | 2004 | Total exemption (full) |
| MACTECH SYSTEMS LIMITED | Electrical equipment | Mexborough | 2001 | Total exemption (full) |
| MACVERE (ENGINEERING) LIMITED | Machinery and equipment | Havant | 1972 | Total exemption (full) |
| MACWARD STEEL SLITTING SERVICES LIMITED | Fabricated metal products | Newport | 1975 | Small company accounts |
| MAD BEAUTY LIMITED | Chemicals | Watford | 1998 | Total exemption (full) |
| MAD TEXTILES LIMITED | Textiles | Grantham | 2009 | Total exemption (full) |
| MADDISON BLINDS LIMITED | Textiles | Prescot | 2010 | Total exemption (full) |
| MADDOCKS'CAKES FROM WALES LIMITED | Food products | Swansea | 2006 | Total exemption (full) |
| MADE BY DESIGN LIMITED | Rubber and plastics | Clitheroe | 2004 | Total exemption (full) |
| MADE BY THE FORGE LIMITED | Fabricated metal products | Ipswich | 2007 | Total exemption (full) |
| MADE TO MEASURE WINDOW SYSTEMS LIMITED | Rubber and plastics | Grimsby | 2004 | Unaudited abridged |
| MADE UNCOMMON WORKS LIMITED | Food products | South Queensferry | 2007 | Total exemption (full) |
| MADEIRA UK HOLDINGS LIMITED | Textiles | Ripon | 1983 | Small company accounts |
| MADELEY PRECISION ENGINEERING LIMITED | Fabricated metal products | Ludlow | 2000 | Total exemption (full) |
| MADEWELL PRODUCTS LIMITED | Fabricated metal products | Tamworth | 1987 | Total exemption (full) |
| MADFUN LIMITED | Other manufacturing | High Wycombe | 2006 | Total exemption (full) |
| MADISON WIRE (EUROPE) LTD | Electrical equipment | Blackburn | 1996 | Unaudited abridged |
| MADNI FOOD PRODUCTS LTD | Food products | Walsall | 2010 | Total exemption (full) |
| MADSTONE LTD | Glass, ceramics, cement and stone | 70 Wood Street | 2004 | Total exemption (full) |
| MAG ORTHOTICS LIMITED | Other manufacturing | Sheffield | 2004 | Total exemption (full) |
| MAGB (CCL) LIMITED | Food products | London | 2000 | Total exemption (full) |
| MAGBROACH (UK) LIMITED | Machinery and equipment | Chesterfield | 1999 | Total exemption (full) |
| MAGDEK THERMAL SYSTEMS LIMITED | Other manufacturing | Lisburn | 1996 | Total exemption (full) |
| MAGEE,MARSHALL AND COMPANY,LIMITED | Beverages | Bolton | 1888 | Total exemption (small) |
| MAGELLAN AEROSPACE (UK) LIMITED | Other manufacturing | Wrexham | 2003 | Full accounts |
| MAGENTA INTERIORS LIMITED | Furniture | London | 1996 | Total exemption (full) |
| MAGGIE SEMPLE LIMITED | Clothing | London | 2010 | Total exemption (full) |
| MAGIC FOODS LIMITED | Food products | — | 2006 | Total exemption (full) |
| MAGIC HANDS REPAIR LIMITED | Repair and installation of machinery | London | 2010 | Total exemption (full) |
| MAGIC INTERNATIONAL LIMITED | Other manufacturing | Stanmore | 1998 | Total exemption (full) |
| MAGIC JEWELLERY LIMITED | Other manufacturing | London | 2009 | Total exemption (full) |
| MAGIC TEXTILES LIMITED | Textiles | Leek | 2008 | Unaudited abridged |
| MAGMA FABRICATION (GLENROTHES) LIMITED | Fabricated metal products | Fife | 1979 | Total exemption (full) |
| MAGMA GLOBAL LIMITED | Other manufacturing | Portsmouth | 2008 | Medium company accounts |
| MAGMA SAFETY PRODUCTS LIMITED | Other manufacturing | Richmond | 1992 | Total exemption (full) |
| MAGMATRONICS LTD | Fabricated metal products | Chesterfield | 2010 | Total exemption (full) |
| MAGNA BOTTLING LIMITED | Beverages | Cambridge | 2004 | Total exemption (full) |
| MAGNA BREWERY LIMITED | Beverages | Cambridge | 2004 | Total exemption (full) |
| MAGNA COLOURS LIMITED | Chemicals | Barnsley | 1978 | Full accounts |
| MAGNA DISPLAY SYSTEMS LIMITED | Other manufacturing | Nuneaton | 1998 | Total exemption (full) |
| MAGNA ELECTRONICS LIMITED | Computers, electronics and optics | Herefordshire | 1999 | Total exemption (full) |
| MAGNA EXTERIORS (BANBURY) LIMITED | Motor vehicles and parts | Banbury | 1996 | Full accounts |
| MAGNA EXTERIORS (LIVERPOOL) LIMITED | Motor vehicles and parts | Banbury | 1998 | Full accounts |
| MAGNA INDUSTRIALS LIMITED | Glass, ceramics, cement and stone | Cheltenham | 1983 | Total exemption (full) |
| MAGNA INTERNATIONAL HOLDING (UK) LIMITED | Motor vehicles and parts | Banbury | 1996 | Full accounts |
| MAGNA SPECIALIST CONFECTIONERS LIMITED | Food products | Telford | 1972 | Full accounts |
| MAGNAFORCE LTD | Other manufacturing | Fforestfach | 1995 | Total exemption (full) |
| MAGNAGHI UK LIMITED | Fabricated metal products | Stroud | 1998 | Full accounts |
| MAGNATEC INTERNATIONAL LIMITED | Fabricated metal products | Liverpool | 2001 | Total exemption (full) |
| MAGNATECH ELECTRONICS LIMITED | Repair and installation of machinery | Northumberland | 2005 | Total exemption (full) |
| MAGNAVALE CHESTERFIELD LTD | Food products | Chesterfield | 1989 | Full accounts |
| MAGNAVALE SCUNTHORPE LTD | Food products | Chesterfield | 2010 | Full accounts |
| MAGNECO METREL U.K. LIMITED | Glass, ceramics, cement and stone | County Durham | 1990 | Full accounts |
| MAGNECOR EUROPE LIMITED | Motor vehicles and parts | Appleby Magna | 2001 | Total exemption (full) |
| MAGNERS GB LIMITED | Beverages | Bristol | 2009 | Full accounts |
| MAGNESIUM ELEKTRON LIMITED | Chemicals | Manchester | 1995 | Full accounts |
| MAGNESIUM METALS & CHARCOAL LIMITED | Basic metals | Bridgnorth | 1991 | Total exemption (full) |
| MAGNET & STEEL LTD | Printing and recorded media | Cowbridge | 2006 | Total exemption (full) |
| MAGNET CONTRACTS LIMITED | Repair and installation of machinery | Dukinfield | 2002 | Total exemption (full) |
| MAGNET SALES AND SERVICE LIMITED | Other manufacturing | Wiltshire | 1993 | Total exemption (full) |
| MAGNET SCHULTZ LIMITED | Computers, electronics and optics | Woking | 1967 | Small company accounts |
| MAGNETIC ECOLOGY LIMITED | Other manufacturing | Chelmsford | 2004 | Total exemption (full) |
| MAGNETIC SHIELDS LIMITED | Basic metals | Staplehurst | 1957 | Medium company accounts |
| MAGNETIC SOLUTIONS LIMITED | Rubber and plastics | Sheffield | 2005 | Total exemption (full) |
| MAGNETIC SYSTEMS LIMITED | Fabricated metal products | South Yorkshire | 1994 | Total exemption (full) |
| MAGNETIC SYSTEMS TECHNOLOGY LIMITED | Electrical equipment | Rotherham | 1992 | Full accounts |
| MAGNI GYRO LTD | Ships, aircraft, rail and other transport | London | 1998 | Total exemption (full) |
| MAGNUM CAR PANELS LIMITED | Motor vehicles and parts | Rochdale | 1973 | Unaudited abridged |
| MAGNUM FABRICATIONS LIMITED | Fabricated metal products | Boston | 2003 | Unaudited abridged |
| MAGNUM MOTORHOME AND CARAVAN SUPPLIES LIMITED | Motor vehicles and parts | Grimsby | 2003 | Unaudited abridged |
| MAGNUS MARINE LIMITED | Electrical equipment | Wymondham | 2002 | Total exemption (full) |
| MAGPIE METAL FABRICATIONS LIMITED | Fabricated metal products | Newbury | 2004 | Total exemption (full) |
| MAGRENKO LIMITED | Fabricated metal products | Willenhall | 1996 | Small company accounts |
| MAGRINI (UK) LIMITED | Furniture | Stoke-on-Trent | 1989 | Full accounts |
| MAGSTRIPE LIMITED | Computers, electronics and optics | Beds | 1990 | Total exemption (full) |
| MAGTEC ELECTRIC GATES LIMITED | Electrical equipment | Reading | 2003 | Total exemption (full) |
| MAGUIRE QUALITY HAMS LTD | Food products | Craigavon | 2010 | Total exemption (full) |
| MAHA UK LIMITED | Repair and installation of machinery | Cambridgeshire | 1997 | Small company accounts |
| MAHDEEN CONSTRUCTION LIMITED | Wood products | Basildon | 1998 | Total exemption (full) |
| MAHER LIMITED | Fabricated metal products | Sheffield | 1952 | Full accounts |
| MAHER REYNOLDS FURNITURE LIMITED | Furniture | Willenhall | 2001 | Total exemption (full) |
| MAHIR`S EXPERIENCE LTD | Food products | West Bromwich | 2005 | Total exemption (full) |
| MAHLE ENGINE SYSTEMS UK LIMITED | Machinery and equipment | Northampton | 2007 | Full accounts |
| MAHLE FILTER SYSTEMS UK LIMITED | Motor vehicles and parts | Northampton | 1981 | Full accounts |
| MAHR IMPEX UK LTD | Other manufacturing | Bradford | 2005 | Unaudited abridged |
| MAHR U.K. LIMITED | Computers, electronics and optics | Milton Keynes | 1995 | Full accounts |
| MAIDEN CASTLE SERVICE STATION LIMITED | Rubber and plastics | Upway | 1961 | Total exemption (full) |
| MAIDEN CONSULTING LIMITED | Other manufacturing | — | 2003 | Total exemption (full) |
| MAIDENHEAD PRINTING & STATIONERY COMPANY LIMITED | Printing and recorded media | Slough | 1987 | Total exemption (full) |
| MAIDSTONE SIGNS LIMITED | Other manufacturing | Aylesford | 1971 | Total exemption (full) |
| MAIDSTONE SPORTS CARS LIMITED | Motor vehicles and parts | Sevenoaks | 1998 | Total exemption (full) |
| MAIER U.K. LIMITED | Rubber and plastics | Burntwood | 1999 | Full accounts |
| MAIL SOLUTIONS UK LIMITED | Paper and paperboard | Telford | 2004 | Full accounts |
| MAILCOMS LTD | Machinery and equipment | Cannock | 2006 | Total exemption (full) |
| MAILING GUY LTD | Printing and recorded media | Grays | 2008 | Total exemption (full) |
| MAILWAY PACKAGING SOLUTIONS LIMITED | Rubber and plastics | Bradford | 2010 | Full accounts |
| MAIN AIM MARKETING & PRINTING LIMITED | Rubber and plastics | Hampton Hill | 1987 | Total exemption (full) |
| MAIN CHEMICAL CO LIMITED | Chemicals | West Yorks | 1982 | Unaudited abridged |
| MAIN EVENT PRODUCTS LIMITED | Furniture | Solihull | 2000 | Total exemption (full) |
| MAIN LINE TIMBER LIMITED | Wood products | Daventry | 1988 | Total exemption (full) |
| MAIN ROAD (C.N.C.) LIMITED | Fabricated metal products | Preston | 1994 | Total exemption (full) |
| MAIN ROAD (SHEET METAL) LIMITED | Basic metals | Preston | 1981 | Total exemption (full) |
| MAIN SYSTEMS LIMITED | Fabricated metal products | East Sussex | 1971 | Total exemption (full) |
| MAIN TANNING ENGINEERS LTD | Repair and installation of machinery | Coventry | 2009 | Total exemption (full) |
| MAINBRACE MARINE LIMITED | Other manufacturing | Fife | 2001 | Total exemption (full) |
| MAINDALE LIMITED | Glass, ceramics, cement and stone | Burgess Hill | 2001 | Total exemption (full) |
| MAINE INSTALLATIONS LIMITED | Repair and installation of machinery | Reading | 2010 | Total exemption (full) |
| MAINE SOFT DRINKS LIMITED | Beverages | Co.antrim | 1987 | Total exemption (full) |
| MAINE SURFACE FINISHING LIMITED | Fabricated metal products | Coleraine | 2006 | Group accounts |
| MAINETTI (UK) LIMITED | Chemicals | Galashiels | 1996 | Full accounts |
| MAINLINE PLANT LIMITED | Repair and installation of machinery | London | 2002 | Unaudited abridged |
| MAINPLANT LTD | Machinery and equipment | Dungannon | 2007 | Unaudited abridged |
| MAINSPORT LTD | Other manufacturing | Evesham | 1981 | Total exemption (full) |
| MAINSTAGE (MANUFACTURING) LIMITED | Other manufacturing | Lancaster | 1989 | Total exemption (full) |
| MAINSTREAM MEASUREMENTS LIMITED | Computers, electronics and optics | Port Talbot | 2000 | Unaudited abridged |
| MAINTEC 2 LIMITED | Repair and installation of machinery | Yorkshire | 2006 | Total exemption (full) |
| MAINTEC LTD | Repair and installation of machinery | Southport | 2003 | Audit-exempt subsidiary |
| MAINTENANCE & SERVICING SUPPORT LIMITED | Repair and installation of machinery | — | 2006 | Total exemption (full) |
| MAINTENANCE SOLUTIONS & SERVICES LIMITED | Repair and installation of machinery | Leicester | 2006 | Total exemption (full) |
| MAINTSYS LIMITED | Repair and installation of machinery | Lincoln | 1997 | Total exemption (full) |
| MAISON APOLLONIA LIMITED | Other manufacturing | London | 2010 | Total exemption (full) |
| MAISON BLEUE LIMITED | Food products | Bury St. Edmunds | 1998 | Total exemption (full) |
| MAITLANDS (GB) LIMITED | Fabricated metal products | Pershore | 2004 | Total exemption (full) |
| MAJ HI-SPEC LIMITED | Fabricated metal products | Leeds | 1946 | Small company accounts |
| MAJER WINDOWS LTD | Glass, ceramics, cement and stone | Leigh-on-Sea | 2006 | Total exemption (full) |
| MAJESTIC CHEMICALS LIMITED | Chemicals | High Wycombe | 2004 | Total exemption (full) |
| MAJESTIC TEXTILES LIMITED | Textiles | Barnet | 1996 | Total exemption (full) |
| MAJESTIC WINDOW DESIGNS LIMITED | Rubber and plastics | Cheddar | 2003 | Total exemption (full) |
| MAJISIGN LIMITED | Wood products | Bury St Edmunds | 2005 | Total exemption (full) |
| MAJOR ELECTRICAL LIMITED | Repair and installation of machinery | Sutton | 1997 | Total exemption (full) |
| MAJOR EQUIPMENT LIMITED | Other manufacturing | Lancaster | 1990 | Total exemption (full) |
| MAJOR FABRICATIONS (KENT) LIMITED | Fabricated metal products | Deal | 1982 | Total exemption (full) |
| MAJOR LIFT INSTALLATIONS LIMITED | Repair and installation of machinery | — | 2002 | Total exemption (full) |
| MAJORLIFT HYDRAULIC EQUIPMENT LIMITED | Machinery and equipment | Wotton-under-Edge | 1978 | Small company accounts |
| MAJORTEK COMPONENTS LIMITED | Electrical equipment | Chandler’s Ford | 1991 | Total exemption (full) |
| MAKA MACHINERY UK LIMITED | Machinery and equipment | Telford | 1998 | Small company accounts |
| MAKE AN ENTRANCE LIMITED | Textiles | Lincoln | 2005 | Total exemption (full) |
| MAKEEN GAS EQUIPMENT UK LIMITED | Machinery and equipment | Gorseinon Swansea | 1990 | Small company accounts |
| MAKEFAST LIMITED | Fabricated metal products | Powys | 1974 | Group accounts |
| MAKESAFE LIMITED | Fabricated metal products | Maghull | 1973 | Total exemption (full) |
| MAKEUP PRINT FINISHERS LIMITED | Paper and paperboard | Broadway | 2001 | Unaudited abridged |
| MAKEVALE LIMITED | Chemicals | Marsh Lane | 1981 | Small company accounts |
| MAKHDOOMS (UK) LIMITED | Paper and paperboard | Sutton Coldfield, Birmingham | 2010 | Unaudited abridged |
| MAKIN METAL POWDERS (UK) LIMITED | Basic metals | Rochdale | 2009 | Full accounts |
| MAKIN ORGANS LIMITED | Other manufacturing | Oldham | 1994 | Small company accounts |
| MAKING LITTLE LIMITED | Fabricated metal products | Pwllheli | 2010 | Total exemption (full) |
| MAKITA MANUFACTURING EUROPE LIMITED | Machinery and equipment | Shropshire | 1989 | Full accounts |
| MAKKIPAK LTD | Other manufacturing | Towcester | 1999 | Unaudited abridged |
| MAKO PRECISION ENGINEERING LIMITED | Fabricated metal products | Bilston | 2007 | Total exemption (full) |
| MAKREP LIMITED | Repair and installation of machinery | Gloucester | 2003 | Total exemption (full) |
| MALA MAINTENANCE LIMITED | Repair and installation of machinery | Loughton | 1980 | Small company accounts |
| MALAKOFF LIMITED | Repair and installation of machinery | Shetland | 2003 | Total exemption (full) |
| MALBY & SONS LIMITED | Other manufacturing | Brighton | 1952 | Total exemption (full) |
| MALCOLM ALLAN LIMITED | Food products | Larbert | 1994 | Full accounts |
| MALCOLM BARNECUTT BAKERY LIMITED | Food products | Bodmin | 2010 | Full accounts |
| MALCOLM BETTS LIMITED | Other manufacturing | Greenford | 1996 | Total exemption (full) |
| MALCOLM ENAMELLERS ACP LIMITED | Fabricated metal products | Bedworth | 1996 | Total exemption (full) |
| MALCOLM NICHOLLS LIMITED | Other manufacturing | Warwickshire | 1978 | Total exemption (full) |
| MALCOLMS ACP LIMITED | Fabricated metal products | Bedworth | 1976 | Total exemption (full) |
| MALDON MARINE (BOAT BUILDING) LIMITED | Ships, aircraft, rail and other transport | Spital Road, Maldon, | 1991 | Total exemption (full) |
| MALDON MARINE LIMITED | Fabricated metal products | Maldon | 1960 | Total exemption (full) |
| MALIBU GRAINS LIMITED | Food products | Sandwich | 2002 | Total exemption (full) |
| MALIBU HEALTH PRODUCTS LIMITED | Chemicals | Stanmore | 1999 | Total exemption (full) |
| MALIK POULTRY LIMITED | Food products | Staffordshire | 1978 | Total exemption (full) |
| MALLAGHAN ENGINEERING LIMITED | Machinery and equipment | Co Tyrone | 1986 | Full accounts |
| MALLATITE LIMITED | Electrical equipment | Solihull | 1991 | Audit-exempt subsidiary |
| MALLINCKRODT CHEMICAL LIMITED | Chemicals | Chesterfield | 1987 | Full accounts |
| MALLINSON'S OF OLDHAM LIMITED | Machinery and equipment | Oldham | 1983 | Total exemption (full) |
| MALLORY INDUSTRIAL COATINGS LIMITED | Fabricated metal products | Lutterworth | 1997 | Total exemption (full) |
| MALMIC LACE LIMITED | Textiles | Nottingham | 1964 | Total exemption (full) |
| MALONE & SMYTH LTD | Furniture | Belfast | 2008 | Unaudited abridged |
| MALONEY METALCRAFT LTD | Machinery and equipment | Chatteris | 1997 | Full accounts |
| MALOSA LIMITED | Other manufacturing | Warwickshire | 2001 | Full accounts |
| MALPLAS LTD | Other manufacturing | Dungannon | 2000 | Unaudited abridged |
| MALTED WAFFLE COMPANY LIMITED | Machinery and equipment | Tamworth | 2002 | Total exemption (full) |
| MALTHOUSE ENGINEERING CO. LIMITED | Fabricated metal products | Warley | 1985 | Unaudited abridged |
| MALTON FOODS LIMITED | Food products | Shrewsbury | 2005 | Small company accounts |
| MALTON PLASTICS (UK) LIMITED | Rubber and plastics | Pickering | 2000 | Total exemption (full) |
| MALTRON INTERNATIONAL LIMITED | Pharmaceuticals | Colchester | 1996 | Unaudited abridged |
| MALVERN ART PRODUCTS LIMITED | Paper and paperboard | Hereford | 1985 | Unaudited abridged |
| MALVERN BOILERS LIMITED | Machinery and equipment | Worcestershire | 1991 | Total exemption (full) |
| MALVERN MEDICAL DEVELOPMENTS LIMITED | Other manufacturing | Worcestershire | 1998 | Total exemption (full) |
| MALVERN MEDICAL GROUP LIMITED | Other manufacturing | Worcester | 2008 | Total exemption (full) |
| MALVERN PANALYTICAL LIMITED | Computers, electronics and optics | Malvern | 1971 | Full accounts |
| MALVERN SCIENTIFIC SOLUTIONS LTD | Other manufacturing | Walsall | 1998 | Total exemption (full) |
| MAMELOK PAPERCRAFT LIMITED | Paper and paperboard | Cambridge | 2009 | Total exemption (full) |
| MAN ACOUSTICS LIMITED | Fabricated metal products | Birmingham | 1981 | Total exemption (full) |
| MAN FOODS LIMITED | Food products | Westcliff on Sea | 2007 | Total exemption (full) |
| MAN FRIDAY (SW) LIMITED | Rubber and plastics | Crediton | 2008 | Total exemption (full) |
| MAN-FLEX LIMITED | Other manufacturing | Warrington | 1974 | Unaudited abridged |
| MANAS INJECTION MOULDING LTD | Rubber and plastics | Paignton | 2006 | Unaudited abridged |
| MANBY BOX LTD | Electrical equipment | Louth | 2008 | Total exemption (full) |
| MANCHESTER ALLOYS AND METALS LIMITED | Fabricated metal products | — | 1988 | Group accounts |
| MANCHESTER AUTOMATIC MACHINING COMPANY LIMITED | Fabricated metal products | Cheshire | 1948 | Total exemption (full) |
| MANCHESTER BOARD & FITTINGS LIMITED | Furniture | Manchester | 1996 | Total exemption (full) |
| MANCHESTER DOORS AND CUBICLES LIMITED | Other manufacturing | Brickhouse Lane Great Bridge | 1995 | Total exemption (full) |
| MANCHESTER ELECTROPLATING LTD | Fabricated metal products | Oldham | 1995 | Total exemption (full) |
| MANCHESTER JOINERY & INTERIORS LTD | Wood products | Bolton | 2009 | Total exemption (full) |
| MANCHESTER MANUFACTURING GROUP LTD | Textiles | Manchester | 2008 | Total exemption (full) |
| MANCHESTER MEMORIALS LIMITED | Glass, ceramics, cement and stone | Manchester | 2006 | Total exemption (full) |
| MANCHESTER PAPER BOX (1964) LIMITED | Paper and paperboard | Stockport | 1964 | Medium company accounts |
| MANCHESTER PRECISION ENGINEERING LIMITED | Machinery and equipment | Stalybridge | 1993 | Small company accounts |
| MANCHESTER PRINT SERVICE LIMITED | Printing and recorded media | Manchester | 2010 | Total exemption (full) |
| MANCHESTER REFRACTORY CO. (1982) LIMITED | Glass, ceramics, cement and stone | Chorley | 1982 | Total exemption (full) |
| MANCHESTER RUSK COMPANY LIMITED | Food products | Manchester | 1976 | Full accounts |
| MANCHESTER UMBRELLA CO. LIMITED | Other manufacturing | Frodsham | 1988 | Total exemption (full) |
| MANCO AUTOMATICS LIMITED | Repair and installation of machinery | Stockport | 2004 | Total exemption (full) |
| MANDACO 516 LIMITED | Electrical equipment | Fareham | 2007 | Total exemption (full) |
| MANDAFOODS LIMITED | Food products | Barnsley | 2004 | Total exemption (full) |
| MANDATOR CONTROL SYSTEMS LIMITED | Computers, electronics and optics | Leicestershire | 1989 | Unaudited abridged |
| MANDER & GERMAIN (MARBLE AND STONE) LIMITED | Glass, ceramics, cement and stone | London | 1992 | Total exemption (full) |
| MANDERLEY FOOD GROUP LIMITED | Food products | Corby | 2008 | Group accounts |
| MANDERWOOD TIMBER ENGINEERING LIMITED | Wood products | Neyland Milford Haven | 1977 | Total exemption (full) |
| MANDEVILLE JOINERY LIMITED | Wood products | Melbury Osmond | 2003 | Total exemption (full) |
| MANDOLYN LIMITED | Other manufacturing | Princes Risborough | 1996 | Total exemption (full) |
| MANE LIMITED | Other manufacturing | Haywards Heath | 1971 | Small company accounts |
| MANE UMBRELLAS LIMITED | Other manufacturing | Stockport | 1957 | Total exemption (full) |
| MANELINE COACHWORKS LIMITED | Ships, aircraft, rail and other transport | Norfolk | 2003 | Total exemption (full) |
| MANES CONTROLS LIMITED | Computers, electronics and optics | Phoenix Close Heywood | 1994 | Total exemption (full) |
| MANGAR INTERNATIONAL LIMITED | Other manufacturing | — | 1982 | Full accounts |
| MANH HAN LIMITED | Textiles | Wembley | 2003 | Total exemption (full) |
| MANIFESTATION DESIGNS & SIGNS LIMITED | Other manufacturing | Willenhall | 2004 | Total exemption (full) |
| MANIFLOW AND COMPANY LIMITED | Fabricated metal products | Salisbury | 1996 | Total exemption (full) |
| MANIMPEX MANAGEMENT LIMITED | Glass, ceramics, cement and stone | Colchester | 2001 | Total exemption (full) |
| MANITOU UK LIMITED | Machinery and equipment | Dorset | 1972 | Full accounts |
| MANKTELOW LIMITED | Other manufacturing | Bromley | 2004 | Total exemption (full) |
| MANN + HUMMEL (UK) LIMITED | Other manufacturing | Wolverhampton | 1996 | Full accounts |
| MANN + HUMMEL VOKES-AIR LIMITED | Machinery and equipment | Lancashire | 1978 | Full accounts |
| MANNASOL PRODUCTS LIMITED | Food products | Runcorn | 2002 | Small company accounts |