| NORTON HYDRAULICS LIMITED | Machinery and equipment | 1967 | Total exemption (full) |
| KARDEX SYSTEMS (UK) LIMITED | Repair and installation of machinery | 1969 | Full accounts |
| QUALITURN PRODUCTS LIMITED | Fabricated metal products | 1974 | Total exemption (full) |
| HERTFORD OFFSET LIMITED | Printing and recorded media | 1974 | Total exemption (full) |
| FUMAIR LIMITED | Rubber and plastics | 1974 | Total exemption (full) |
| FEEDWELL ANIMAL FOODS LIMITED | Food products | 1975 | Total exemption (full) |
| P.J. PIPE & VALVE CO. LIMITED | Basic metals | 1976 | Full accounts |
| VIVID GRAPHICS LIMITED | Printing and recorded media | 1981 | Total exemption (full) |
| REPLAS MACHINERY LIMITED | Rubber and plastics | 1981 | Total exemption (full) |
| UEP SWITCHGEAR LIMITED | Electrical equipment | 1988 | Total exemption (full) |
| D.L. GRAPHICS LIMITED | Printing and recorded media | 1991 | Unaudited abridged |
| CONQUEROR INDUSTRIES LIMITED | Fabricated metal products | 1991 | Total exemption (full) |
| JAMES DOUGLAS LIMITED | Other manufacturing | 1995 | Total exemption (full) |
| N2 VISUAL COMMUNICATIONS LIMITED | Printing and recorded media | 1996 | Total exemption (full) |
| SPRINGLOCK LTD | Fabricated metal products | 1996 | Total exemption (full) |
| VIVID PREPRESS LIMITED | Printing and recorded media | 1999 | Total exemption (full) |
| CAMBAR ENGINEERING LIMITED | Fabricated metal products | 2001 | Total exemption (full) |
| IN CASE SOLUTIONS LIMITED | Leather goods and footwear | 2002 | Total exemption (full) |
| STEPHEN AUSTIN & SONS LIMITED | Printing and recorded media | 2002 | Medium company accounts |
| LEARN TO DREAM LIMITED | Printing and recorded media | 2002 | Total exemption (full) |
| SASCO SAUCES LIMITED | Food products | 2002 | Total exemption (full) |
| RESOLUTION PRINT AND DESIGN LTD | Printing and recorded media | 2004 | Total exemption (full) |
| MEC MEDICAL LIMITED | Other manufacturing | 2004 | Total exemption (full) |
| HERTS GARDEN BUILDINGS LIMITED | Wood products | 2006 | Total exemption (full) |
| BRIDGET B'S LIMITED | Food products | 2007 | Total exemption (full) |
| BIOPHARMA LABORATORIES (UK) LIMITED | Pharmaceuticals | 2007 | Unaudited abridged |
| NEON HEALTHCARE LTD | Pharmaceuticals | 2009 | Full accounts |
| DT PRINTING LIMITED | Printing and recorded media | 2009 | Unaudited abridged |
| CMF PROMOTIONS LIMITED | Chemicals | 2009 | Total exemption (full) |
| DNA-PLAY LIMITED | Other manufacturing | 2010 | Total exemption (full) |