| A.BUTLER & SONS LIMITED | Fabricated metal products | 1917 | Total exemption (full) |
| CAPTEC SUBSYSTEMS ENGINEERING LIMITED | Fabricated metal products | 1966 | Audit-exempt subsidiary |
| HILLCREST MACHINERY & ENGINEERING (PORTCHESTER) LIMITED | Fabricated metal products | 1970 | Total exemption (full) |
| WARTSILA UK LIMITED | Repair and installation of machinery | 1971 | Full accounts |
| SOLENT BODYBUILDERS & REPAIRS LIMITED | Motor vehicles and parts | 1971 | Total exemption (full) |
| EDALE LIMITED | Machinery and equipment | 1972 | Medium company accounts |
| SAFRAN HELICOPTER ENGINES UK LIMITED | Ships, aircraft, rail and other transport | 1973 | Full accounts |
| BARLOW SHEET METAL LIMITED | Fabricated metal products | 1974 | Total exemption (full) |
| PERCIVAL AVIATION LIMITED | Ships, aircraft, rail and other transport | 1979 | Small company accounts |
| BONWYKE LIMITED | Other manufacturing | 1980 | Total exemption (full) |
| NO. 7 CONTACT LENS LABORATORY LIMITED | Computers, electronics and optics | 1980 | Full accounts |
| KEFLON LIMITED | Repair and installation of machinery | 1983 | Total exemption (full) |
| NEATAFAN LIMITED | Fabricated metal products | 1983 | Total exemption (full) |
| QUIREPACE LIMITED | Other manufacturing | 1983 | Medium company accounts |
| COOLERS & CONDENSERS LIMITED | Machinery and equipment | 1983 | Medium company accounts |
| CAPTEC LIMITED | Computers, electronics and optics | 1984 | Full accounts |
| SOLENT GLASS AND GLAZING LIMITED | Rubber and plastics | 1985 | Total exemption (full) |
| FOUR-TEES ENGINEERS LIMITED | Fabricated metal products | 1986 | Small company accounts |
| SAAB SEAEYE LIMITED | Electrical equipment | 1986 | Medium company accounts |
| ADVANCED PLASTICS (SOUTH) LIMITED | Rubber and plastics | 1987 | Small company accounts |
| OKW ENCLOSURES LIMITED | Fabricated metal products | 1987 | Small company accounts |
| VOESTALPINE SIGNALING UK LTD. | Computers, electronics and optics | 1988 | Small company accounts |
| E.R.I. REFRIGERATION LIMITED | Repair and installation of machinery | 1988 | Total exemption (full) |
| CSS TOTAL SECURITY LIMITED | Electrical equipment | 1989 | Audit-exempt subsidiary |
| WIREFIELD LIMITED | Glass, ceramics, cement and stone | 1991 | Total exemption (full) |
| COOPERVISION MANUFACTURING LIMITED | Other manufacturing | 1992 | Full accounts |
| D.Q.M. LTD. | Repair and installation of machinery | 1993 | Total exemption (full) |
| G P WATSON LIMITED | Fabricated metal products | 1994 | Total exemption (full) |
| AIRWAYS OPTICAL LIMITED | Other manufacturing | 1994 | Audit-exempt subsidiary |
| YAESU UK LTD. | Computers, electronics and optics | 1994 | Small company accounts |
| ALLSPEED SIGNS & GRAPHICS LIMITED | Other manufacturing | 1994 | Total exemption (full) |
| HOWES PRECISION HYDRAULICS LIMITED | Fabricated metal products | 1995 | Total exemption (full) |
| ADDED SECURITY TECHNOLOGY LIMITED | Other manufacturing | 1995 | Total exemption (full) |
| F D C INTERNATIONAL LIMITED | Pharmaceuticals | 1996 | Small company accounts |
| INDUSTRIAL RUBBER LIMITED | Rubber and plastics | 1997 | Small company accounts |
| PENTA PRECISION ENG. LIMITED | Fabricated metal products | 1997 | Total exemption (full) |
| FOTOPLEX GRIGIO LIMITED | Other manufacturing | 1998 | Total exemption (full) |
| MARINE CONCEPTS LIMITED | Ships, aircraft, rail and other transport | 1998 | Total exemption (full) |
| LANDAU UK LTD | Repair and installation of machinery | 1998 | Total exemption (full) |
| HARP VISUAL COMMUNICATIONS LIMITED | Computers, electronics and optics | 1998 | Total exemption (full) |
| COOPERVISION LIMITED | Other manufacturing | 1998 | Full accounts |
| TASK WELDING LIMITED | Fabricated metal products | 1998 | Total exemption (full) |
| HI-TECH PRECISION ENGINEERING (UK) LIMITED | Fabricated metal products | 1999 | Total exemption (full) |
| REMIX DRY MORTAR LIMITED | Glass, ceramics, cement and stone | 1999 | Medium company accounts |
| TURBOCAM UK LIMITED | Fabricated metal products | 1999 | Total exemption (full) |
| PEPTIDE PROTEIN RESEARCH LIMITED | Chemicals | 1999 | Unaudited abridged |
| CROMA LOCKSMITHS & SECURITY SOLUTIONS LIMITED | Fabricated metal products | 2000 | Audit-exempt subsidiary |
| GMS DESIGN LIMITED | Fabricated metal products | 2000 | Total exemption (full) |
| COUNTY CREST PALLETS (UK) LIMITED | Wood products | 2000 | Total exemption (full) |
| AEGINA TECHNOLOGIES LIMITED | Fabricated metal products | 2000 | Total exemption (full) |
| KELVION LIMITED | Machinery and equipment | 2000 | Full accounts |
| PUMA ENGINEERING & CONSTRUCTION LIMITED | Fabricated metal products | 2000 | Medium company accounts |
| SAUFLON CL LIMITED | Other manufacturing | 2001 | Full accounts |
| PHOENIX SYSTEMS UK LIMITED | Computers, electronics and optics | 2002 | Full accounts |
| TRENT PERSONNEL LIMITED | Repair and installation of machinery | 2002 | Total exemption (full) |
| PETER WILSON SILVERSMITHS LIMITED | Fabricated metal products | 2002 | Total exemption (full) |
| INNOVATE SIGNS LIMITED | Printing and recorded media | 2002 | Total exemption (full) |
| IP CORTEX LIMITED | Computers, electronics and optics | 2002 | Audit-exempt subsidiary |
| C F ELECTRONICS LIMITED | Computers, electronics and optics | 2002 | Total exemption (full) |
| ROYSWAY PRECISION GRINDING LIMITED | Fabricated metal products | 2002 | Total exemption (full) |