| LAMBDA PHOTOMETRICS LIMITED | Repair and installation of machinery | 1977 | Unaudited abridged |
| FORMECH INTERNATIONAL LIMITED | Machinery and equipment | 1994 | Total exemption (full) |
| WILLIS PUBLICITY (HARPENDEN) LIMITED | Other manufacturing | 1997 | Total exemption (full) |
| BERTHOLD TECHNOLOGIES (UK) LIMITED | Electrical equipment | 2001 | Total exemption (full) |
| HUNTER WORLDWIDE LIMITED | Paper and paperboard | 2001 | Total exemption (full) |
| MACPRO DESIGN & PRINT LIMITED | Printing and recorded media | 2003 | Total exemption (full) |
| QUADRANT PRINT & DESIGN LIMITED | Paper and paperboard | 2005 | Total exemption (full) |
| FIRE GUARD SERVICES LIMITED | Repair and installation of machinery | 2006 | Total exemption (full) |
| D M MUSIC LIMITED | Repair and installation of machinery | 2008 | Total exemption (full) |
| GOSLING CREATIVE LIMITED | Printing and recorded media | 2010 | Total exemption (full) |
| EYEDEOLOGY LIMITED | Other manufacturing | 2010 | Total exemption (full) |