| L3HARRIS COMMUNICATIONS SYSTEMS UK LIMITED | Computers, electronics and optics | 1921 | Full accounts |
| TYNESIDE SAFETY GLASS COMPANY LIMITED | Glass, ceramics, cement and stone | 1940 | Full accounts |
| DELTRONIC LIMITED | Other manufacturing | 1944 | Total exemption (full) |
| SIEMENS PLC | Computers, electronics and optics | 1962 | Full accounts |
| PEREI GROUP LIMITED | Other manufacturing | 1963 | Total exemption (full) |
| FENN NIGHT VISION LIMITED | Computers, electronics and optics | 1964 | Total exemption (full) |
| SILICAIR DRYERS LIMITED | Machinery and equipment | 1967 | Total exemption (full) |
| HIGH QUALITY JOINERY LIMITED | Wood products | 1972 | Total exemption (full) |
| MOLEX ELECTRONICS LIMITED | Other manufacturing | 1979 | Small company accounts |
| RYMAC PLASTIC PRODUCTS LIMITED | Chemicals | 1980 | Total exemption (full) |
| SESAMI CASH MANAGEMENT UK LTD | Machinery and equipment | 1984 | Small company accounts |
| QINETIQ TARGET SYSTEMS LIMITED | Ships, aircraft, rail and other transport | 1985 | Full accounts |
| LANSDALE ENGINEERING LIMITED | Other manufacturing | 1985 | Total exemption (full) |
| ELECTRIUM SALES LIMITED | Electrical equipment | 1988 | Full accounts |
| THURSTON AVIATION LIMITED | Repair and installation of machinery | 1992 | Small company accounts |
| VIASAT UK LIMITED | Computers, electronics and optics | 1995 | Full accounts |
| BMW MOTORSPORT LIMITED | Ships, aircraft, rail and other transport | 1995 | Full accounts |
| QACNC LIMITED | Fabricated metal products | 1996 | Total exemption (full) |
| THE FASCIA PLACE LIMITED | Other manufacturing | 1996 | Full accounts |
| TOPMARK CONTRACTORS LIMITED | Repair and installation of machinery | 1997 | Total exemption (full) |
| REMOTE DIAGNOSTIC TECHNOLOGIES LIMITED | Computers, electronics and optics | 1997 | Full accounts |
| ROLLS-ROYCE MOTOR CARS LIMITED | Motor vehicles and parts | 1998 | Full accounts |
| MEDISO MEDICAL IMAGING SYSTEMS UK LIMITED | Repair and installation of machinery | 1998 | Small company accounts |
| 1ST MILLENNIUM ELECTRONICS LIMITED | Electrical equipment | 1999 | Total exemption (full) |
| E-TEC POWER MANAGEMENT LIMITED | Electrical equipment | 1999 | Unaudited abridged |
| GATE8 LUGGAGE LIMITED | Clothing | 1999 | Total exemption (full) |
| BMW (UK) MANUFACTURING LIMITED | Motor vehicles and parts | 2000 | Full accounts |
| SWINDON PRESSINGS LIMITED | Motor vehicles and parts | 2000 | Full accounts |
| ABTECH PRECISION ENGINEERING LIMITED | Fabricated metal products | 2000 | Total exemption (full) |
| ALLDAY TIME SYSTEMS LIMITED | Repair and installation of machinery | 2000 | Total exemption (full) |
| UK WOOD FLOORS LIMITED | Wood products | 2001 | Total exemption (full) |
| TRUE PIXEL LTD | Printing and recorded media | 2001 | Total exemption (full) |
| GRIFFIN CARDWELL LIMITED | Machinery and equipment | 2001 | Total exemption (full) |
| SILICAIR DRYVENT LIMITED | Machinery and equipment | 2002 | Total exemption (full) |
| UNITED SILICONES LIMITED | Rubber and plastics | 2002 | Total exemption (full) |
| PRINTING DATA LIMITED | Printing and recorded media | 2002 | Total exemption (full) |
| GEN3 SYSTEMS LIMITED | Computers, electronics and optics | 2003 | Total exemption (full) |
| LENOVO TECHNOLOGY (UNITED KINGDOM) LIMITED | Computers, electronics and optics | 2003 | Full accounts |
| FREIGHT PRODUCTS (U.K.) LIMITED | Ships, aircraft, rail and other transport | 2004 | Audit-exempt subsidiary |
| BLUE BOX ONE LIMITED | Repair and installation of machinery | 2004 | Total exemption (full) |
| CUBE AIRCONDITIONING LIMITED | Repair and installation of machinery | 2005 | Total exemption (full) |
| AUTOPOT (GLOBAL) LIMITED | Other manufacturing | 2005 | Total exemption (full) |
| TISICS LIMITED | Glass, ceramics, cement and stone | 2005 | Total exemption (full) |
| NEWSUM MANUFACTURING LIMITED | Fabricated metal products | 2005 | Total exemption (full) |
| FARNBOROUGH TOOL HIRE LIMITED | Repair and installation of machinery | 2005 | Full accounts |
| ENGELPHARMA UK LIMITED | Pharmaceuticals | 2006 | Total exemption (full) |
| TECNA UK LTD | Other manufacturing | 2007 | Total exemption (full) |
| FLETCHER FABRICATIONS GROUP UK LTD | Fabricated metal products | 2008 | Total exemption (full) |
| GLASS INSPIRATIONS LIMITED | Other manufacturing | 2008 | Total exemption (full) |
| SONUUS LIMITED | Other manufacturing | 2009 | Small company accounts |
| MATERION UK LIMITED | Basic metals | 2009 | Small company accounts |
| MOTOROLA MOBILITY UK LTD | Computers, electronics and optics | 2009 | Full accounts |
| M.D.A. INTERIORS LIMITED | Wood products | 2009 | Total exemption (full) |
| FITCH FABRICATIONS LTD | Fabricated metal products | 2010 | Unaudited abridged |