| G.D. RECTIFIERS LIMITED | Machinery and equipment | 1964 | Total exemption (full) |
| NEWMAN THOMSON LIMITED | Printing and recorded media | 1976 | Total exemption (full) |
| TRAVELLING WIRE LIMITED | Fabricated metal products | 1979 | Total exemption (full) |
| TRACMASTER LIMITED | Machinery and equipment | 1984 | Total exemption (full) |
| BRUYNZEEL STORAGE SYSTEMS LIMITED | Fabricated metal products | 1984 | Small company accounts |
| CIRRUS LASER LIMITED | Fabricated metal products | 1987 | Total exemption (full) |
| GATWICK LUGGAGE FITTINGS LIMITED | Other manufacturing | 1987 | Total exemption (full) |
| KEYMER DOUBLE GLAZING LTD. | Other manufacturing | 1991 | Total exemption (full) |
| NEXTUS LIMITED | Computers, electronics and optics | 1996 | Unaudited abridged |
| SOUTHERN STEEL SERVICES (UK) LIMITED | Fabricated metal products | 1997 | Total exemption (full) |
| BLUELITE GRAPHICS LIMITED | Other manufacturing | 1997 | Total exemption (full) |
| CENTRAL SERVICES (SOUTH) LIMITED | Repair and installation of machinery | 1997 | Total exemption (full) |
| RP PRODUCTS LIMITED | Other manufacturing | 1999 | Audit-exempt subsidiary |
| RDP GROUP (UK) LIMITED | Computers, electronics and optics | 2000 | Total exemption (full) |
| PITTS PRESENTATION PRODUCTS LTD. | Machinery and equipment | 2001 | Total exemption (full) |
| MAINDALE LIMITED | Glass, ceramics, cement and stone | 2001 | Total exemption (full) |
| PVL UK LIMITED | Other manufacturing | 2003 | Total exemption (full) |
| DAWSON REPRODUCTIONS LIMITED | Furniture | 2003 | Total exemption (full) |
| SUSSEX LIVING LIMITED | Printing and recorded media | 2003 | Total exemption (full) |
| WILLOW ELECTRONICS UK LIMITED | Electrical equipment | 2004 | Total exemption (full) |
| BLUE EYED SUN LTD | Paper and paperboard | 2005 | Total exemption (full) |
| TURBINE TOOLS LIMITED | Machinery and equipment | 2005 | Total exemption (full) |
| S&T CONTROLS LIMITED | Computers, electronics and optics | 2008 | Total exemption (full) |
| PILLARBOX PRINT LIMITED | Printing and recorded media | 2008 | Total exemption (full) |
| SOUTHERN METAL SUPPLIES LIMITED | Fabricated metal products | 2010 | Total exemption (full) |
| HALO VENEERING LIMITED | Wood products | 2010 | Total exemption (full) |