| GREAT WATER PROPERTIES LIMITED | Other manufacturing | 1995 | Group accounts |
| CRISTAL AIR LIMITED | Repair and installation of machinery | 1999 | Total exemption (full) |
| SOLARUK LIMITED | Other manufacturing | 2000 | Total exemption (full) |
| I A G METALWORK LIMITED | Fabricated metal products | 2003 | Total exemption (full) |
| BEXHILL STEELWORKS LIMITED | Fabricated metal products | 2005 | Total exemption (full) |
| HIGH TECHNOLOGY PRODUCTS LIMITED | Fabricated metal products | 2005 | Total exemption (full) |
| DESIGN-A-CANVAS LTD | Printing and recorded media | 2009 | Total exemption (full) |