| KISTLER INSTRUMENTS LIMITED | Computers, electronics and optics | 1973 | Small company accounts |
| CRD RECORDS LIMITED | Printing and recorded media | 1974 | Total exemption (full) |
| MERRONBROOK LIMITED | Other manufacturing | 1979 | Full accounts |
| SAFEGUARD ELECTRONIC SYSTEMS LIMITED | Electrical equipment | 1987 | Total exemption (full) |
| CARDMASTERS LIMITED | Other manufacturing | 1994 | Total exemption (full) |
| TES (UK) LIMITED | Computers, electronics and optics | 1996 | Total exemption (full) |
| AGX HOLDINGS LIMITED | Repair and installation of machinery | 1999 | Total exemption (full) |
| COSENTINO UK LIMITED | Glass, ceramics, cement and stone | 2001 | Full accounts |
| ANDY ROBINSON FABRICATIONS LIMITED | Fabricated metal products | 2002 | Total exemption (full) |
| CCL BUILDING PRODUCTS LIMITED | Other manufacturing | 2003 | Total exemption (full) |
| SURREY WROUGHT IRON LIMITED | Fabricated metal products | 2005 | Total exemption (full) |
| CHICANE CLASSICS LIMITED | Motor vehicles and parts | 2008 | Total exemption (full) |
| MUSTARD FOODS LIMITED | Food products | 2008 | Total exemption (full) |
| FORCE LOGIC UK LTD | Computers, electronics and optics | 2008 | Total exemption (full) |
| HANDLES2ADOOR LIMITED | Fabricated metal products | 2008 | Total exemption (full) |
| REXMAR ENGINEERING LIMITED | Machinery and equipment | 2009 | Total exemption (full) |
| MOWMATE LIMITED | Repair and installation of machinery | 2009 | Total exemption (full) |
| WOODHAMS M.E.C. LTD | Fabricated metal products | 2010 | Total exemption (full) |
| CTS (CORBY) LIMITED | Repair and installation of machinery | 2010 | Audit-exempt subsidiary |
| UNIVERSE AUTOMATION LTD | Fabricated metal products | 2010 | Total exemption (full) |