| BUCKS DIE CASTING COMPANY LIMITED(THE) | Fabricated metal products | 1941 | Total exemption (full) |
| A. C. COSSOR & SON(SURGICAL) LIMITED | Other manufacturing | 1958 | Total exemption (full) |
| EMS PHYSIO LTD | Computers, electronics and optics | 1958 | Total exemption (full) |
| OTTO BOCK HEALTHCARE PLC | Other manufacturing | 1976 | Full accounts |
| A.P. DIESELS LIMITED | Other manufacturing | 1978 | Total exemption (full) |
| KINGSLEY PRINT AND DESIGN LIMITED | Printing and recorded media | 1981 | Total exemption (full) |
| CHEMIDEX PHARMA LIMITED | Pharmaceuticals | 1982 | Full accounts |
| GENERAL ENGINE MANAGEMENT SYSTEMS LIMITED | Motor vehicles and parts | 1985 | Unaudited abridged |
| TIME 24 LIMITED | Electrical equipment | 1987 | Medium company accounts |
| BREWPACK LIMITED | Machinery and equipment | 1995 | Total exemption (full) |
| EASI ELECTRICAL LIMITED | Repair and installation of machinery | 2003 | Total exemption (full) |
| BIOME LIMITED | Machinery and equipment | 2003 | Total exemption (full) |
| EUROTRON INSTRUMENTS (UK) LIMITED | Computers, electronics and optics | 2005 | Total exemption (full) |
| MEDI-PLINTH EQUIPMENT LIMITED | Fabricated metal products | 2007 | Total exemption (full) |
| SERVOTEST TESTING SYSTEMS LTD | Motor vehicles and parts | 2007 | Small company accounts |
| SOLARIO ENTERPRISES LTD | Repair and installation of machinery | 2008 | Total exemption (full) |
| ESSENTIAL PHARMACEUTICALS LIMITED | Pharmaceuticals | 2010 | Small company accounts |