| THOMAS LEACH LIMITED | Printing and recorded media | 1925 | Total exemption (full) |
| OXFORD ENGINEERING LIMITED | Other manufacturing | 1967 | Small company accounts |
| CHURCH FINANCE SUPPLIES LIMITED | Paper and paperboard | 1967 | Total exemption (full) |
| LHY POWERTRAIN LIMITED | Repair and installation of machinery | 1970 | Small company accounts |
| CROWCON DETECTION INSTRUMENTS LIMITED | Computers, electronics and optics | 1970 | Full accounts |
| POOLEYS FLIGHT EQUIPMENT LIMITED | Other manufacturing | 1971 | Total exemption (full) |
| BASILDON CHEMICAL CO. LIMITED | Chemicals | 1971 | Full accounts |
| A.S. SCIENTIFIC PRODUCTS LIMITED | Machinery and equipment | 1976 | Total exemption (full) |
| ASHBY PRECISION ENGINEERING LIMITED | Fabricated metal products | 1977 | Total exemption (full) |
| COMTREX SYSTEMS CORPORATION LIMITED | Computers, electronics and optics | 1978 | Audit-exempt subsidiary |
| CRIPTIC-ARVIS LIMITED | Fabricated metal products | 1981 | Audit-exempt subsidiary |
| ORTHOEUROPE LIMITED | Other manufacturing | 1989 | Full accounts |
| BOWMAN INTERNATIONAL LIMITED | Machinery and equipment | 1992 | Group accounts |
| ABSL POWER SOLUTIONS LTD | Electrical equipment | 1993 | Full accounts |
| GARDEN GAMES LIMITED | Other manufacturing | 1993 | Total exemption (full) |
| CRYSTALOX LIMITED | Glass, ceramics, cement and stone | 1994 | Total exemption (full) |
| CARBON COLOUR COMPANY LIMITED | Printing and recorded media | 1995 | Total exemption (full) |
| INFINEUM UK LTD. | Chemicals | 1995 | Full accounts |
| PENLON LIMITED | Other manufacturing | 1996 | Full accounts |
| INFINEUM INTERNATIONAL LIMITED | Chemicals | 1998 | Full accounts |
| HUTTON ENGINEERING (PRECISION) LIMITED | Other manufacturing | 1999 | Medium company accounts |
| UMDASCH STORE MAKERS UNITED KINGDOM LTD | Furniture | 1999 | Full accounts |
| ARTISAN LITHO LIMITED | Printing and recorded media | 2000 | Total exemption (full) |
| KENWARD ORTHOPAEDIC LIMITED | Other manufacturing | 2000 | Audit-exempt subsidiary |
| SPACE CRYOMAGNETICS LIMITED | Other manufacturing | 2000 | Full accounts |
| INFINITESIMA LIMITED | Computers, electronics and optics | 2001 | Full accounts |
| OXFORD IMMUNOTEC LIMITED | Pharmaceuticals | 2002 | Full accounts |
| ASNEW UPHOLSTERY SERVICES LIMITED | Furniture | 2002 | Total exemption (full) |
| CRISPIN ORTHOTICS LTD | Other manufacturing | 2003 | Audit-exempt subsidiary |
| BANBURY WATER SOFTENERS LTD. | Machinery and equipment | 2003 | Total exemption (full) |
| P2I LTD | Other manufacturing | 2003 | Group accounts |
| OWEN DEVELOPMENTS LIMITED | Motor vehicles and parts | 2003 | Total exemption (full) |
| COZART LIMITED | Other manufacturing | 2004 | Small company accounts |
| ORTHOMOBILITY LTD | Other manufacturing | 2004 | Total exemption (full) |
| LTI METALTECH LIMITED | Fabricated metal products | 2004 | Full accounts |
| POOLEY SWORD LIMITED | Other manufacturing | 2005 | Total exemption (full) |
| NEXEON LIMITED | Chemicals | 2006 | Group accounts |
| ASTON KITCHENS LIMITED | Furniture | 2006 | Total exemption (full) |
| INTERMED LIMITED | Other manufacturing | 2007 | Full accounts |
| THE LOOSE CANNON BREWING COMPANY LIMITED | Beverages | 2007 | Total exemption (full) |
| CANNON PACKING AND FULFILMENT LIMITED | Other manufacturing | 2008 | Full accounts |
| CLARESYS LIMITED | Computers, electronics and optics | 2008 | Total exemption (full) |
| T&S ORTHOTICS LIMITED | Other manufacturing | 2008 | Audit-exempt subsidiary |
| PETER THE HEATER LIMITED | Repair and installation of machinery | 2008 | Total exemption (full) |
| CITY & COUNTY GRAPHICS LIMITED | Printing and recorded media | 2009 | Total exemption (full) |
| SCIENTIFIC MANUFACTURING SOLUTION LTD | Fabricated metal products | 2010 | Total exemption (full) |