| BRITISH BAKELS LIMITED | Food products | 1947 | Full accounts |
| RAVENSBURGER LIMITED | Other manufacturing | 1964 | Full accounts |
| M S INSTRUMENTS LIMITED | Computers, electronics and optics | 1967 | Total exemption (full) |
| ANNACAT AND COMPANY LIMITED | Clothing | 1969 | Total exemption (full) |
| ANALYTICHEM UK LTD | Other manufacturing | 1974 | Full accounts |
| W.I.G. ENGINEERING LIMITED | Fabricated metal products | 1975 | Total exemption (full) |
| R.S. ASSEMBLIES LIMITED | Food products | 1978 | Total exemption (full) |
| NEURA MOBILE ROBOTS LTD | Fabricated metal products | 1980 | Total exemption (full) |
| CALPEDA LIMITED | Machinery and equipment | 1981 | Small company accounts |
| PW RESISTANCE WELDING PRODUCTS LIMITED | Machinery and equipment | 1984 | Total exemption (full) |
| TRANSENSE TECHNOLOGIES PLC | Other manufacturing | 1985 | Group accounts |
| S. I. PUMPS LIMITED | Repair and installation of machinery | 1986 | Small company accounts |
| AXICON AUTO ID LIMITED | Printing and recorded media | 1986 | Total exemption (full) |
| THE GENERAL LIFT COMPANY LIMITED | Machinery and equipment | 1986 | Total exemption (full) |
| TEKNOS (UK) LIMITED | Chemicals | 1991 | Small company accounts |
| OXFORD MICROBEAMS LIMITED | Computers, electronics and optics | 1992 | Total exemption (full) |
| STORM GRAPHICS LIMITED | Other manufacturing | 1994 | Total exemption (full) |
| RIDGEMOUNT TECHNOLOGIES LIMITED | Computers, electronics and optics | 1995 | Small company accounts |
| ABSOLUTE TASTE LIMITED | Food products | 1997 | Full accounts |
| BURCKHARDT COMPRESSION (UK) LIMITED | Repair and installation of machinery | 2000 | Full accounts |
| EAGLE GRAPHICS (PRINTERS) LIMITED | Printing and recorded media | 2000 | Total exemption (full) |
| HARDIDE COATINGS LIMITED | Fabricated metal products | 2000 | Full accounts |
| RATEC RESEARCH LIMITED | Machinery and equipment | 2001 | Total exemption (full) |
| ABBOT FIRE GROUP LIMITED | Repair and installation of machinery | 2002 | Audit-exempt subsidiary |
| AASK US LIMITED | Fabricated metal products | 2004 | Total exemption (full) |
| THE GRANITE HOUSE LIMITED | Glass, ceramics, cement and stone | 2004 | Total exemption (full) |
| WHITE LIFT SERVICES LIMITED | Repair and installation of machinery | 2004 | Total exemption (full) |
| HARDIDE PLC | Fabricated metal products | 2005 | Group accounts |
| NUKO 74 LIMITED | Chemicals | 2005 | Small company accounts |
| FS ENGINEERING & OILFIELDS SUPPLY LIMITED | Electrical equipment | 2005 | Total exemption (full) |
| CASTLE BUILDING PRODUCTS (OXON) LIMITED | Rubber and plastics | 2006 | Total exemption (full) |
| LAVISIONUK LIMITED | Computers, electronics and optics | 2006 | Small company accounts |
| FLOWRAP SYSTEMS LIMITED | Machinery and equipment | 2006 | Total exemption (full) |
| SIMPLE KITCHENS (THAME) LIMITED | Furniture | 2007 | Total exemption (full) |
| ANERGY LIMITED | Machinery and equipment | 2009 | Total exemption (full) |
| GPF AUTOMATION & SERVICES LTD | Machinery and equipment | 2009 | Total exemption (full) |
| BAMD LTD. | Motor vehicles and parts | 2009 | Total exemption (full) |
| HIGH SPEC COMPOSITES LTD | Other manufacturing | 2010 | Total exemption (full) |
| LEON DE ORO UK LTD | Textiles | 2010 | Total exemption (full) |