| EXPEDEON LIMITED | Other manufacturing | 2003 | Full accounts |
| CDOC LTD. | Printing and recorded media | 2003 | Total exemption (full) |
| LASER-SCAN ENGINEERING LIMITED | Printing and recorded media | 2003 | Total exemption (full) |
| BULGIN LIMITED | Computers, electronics and optics | 2003 | Full accounts |
| MPB INDUSTRIES LIMITED | Computers, electronics and optics | 2003 | Audit-exempt subsidiary |
| MAGNA BREWERY LIMITED | Beverages | 2004 | Total exemption (full) |
| MAGNA BOTTLING LIMITED | Beverages | 2004 | Total exemption (full) |
| DESK WISE LIMITED | Furniture | 2004 | Total exemption (full) |
| METRO PRINT MANAGEMENT LTD | Printing and recorded media | 2004 | Total exemption (full) |
| EDRON ENGINEERING SERVICES LIMITED | Fabricated metal products | 2004 | Total exemption (full) |
| FISTREEM INTERNATIONAL LIMITED | Computers, electronics and optics | 2004 | Unaudited abridged |
| DAVID HALL BESPOKE FURNITURE LIMITED | Furniture | 2004 | Total exemption (full) |
| WAVESIGHT LIMITED | Computers, electronics and optics | 2004 | Total exemption (full) |
| IPV LIMITED | Computers, electronics and optics | 2004 | Small company accounts |
| RF MODULE AND OPTICAL DESIGN LTD | Computers, electronics and optics | 2004 | Total exemption (full) |
| TECHNOMATION LTD | Machinery and equipment | 2004 | Audit-exempt subsidiary |
| PARK HALL SADDLERY LTD | Leather goods and footwear | 2004 | Total exemption (full) |
| SIGNWORK LTD | Other manufacturing | 2004 | Total exemption (full) |
| YELLOW DOOR LIMITED | Other manufacturing | 2005 | Total exemption (full) |
| M8TRIX PRECISION ENGINEERING LIMITED | Other manufacturing | 2005 | Total exemption (full) |
| ANDREW MANNING LIMITED | Furniture | 2005 | Total exemption (full) |
| SUMMIT OXYGEN INTERNATIONAL LIMITED | Computers, electronics and optics | 2005 | Total exemption (full) |
| ROMARONG GROUP LIMITED | Other manufacturing | 2005 | Total exemption (full) |
| INDUSTRIAL INKJET LTD | Machinery and equipment | 2005 | Group accounts |
| POSTJET SYSTEMS LIMITED | Computers, electronics and optics | 2006 | Full accounts |
| GREEN ENERGY OPTIONS LTD | Computers, electronics and optics | 2006 | Group accounts |
| SEVERN THERMAL SOLUTIONS LIMITED | Machinery and equipment | 2006 | Audit-exempt subsidiary |
| ATIK CAMERAS LIMITED | Computers, electronics and optics | 2006 | Audit-exempt subsidiary |
| RUN FLAT SYSTEMS LIMITED | Motor vehicles and parts | 2007 | Total exemption (full) |
| CAMBRIONIX LIMITED | Electrical equipment | 2007 | Total exemption (full) |
| ENDOMAGNETICS LTD | Other manufacturing | 2007 | Full accounts |
| JS WILSON & SON (BOOKBINDERS) LIMITED | Printing and recorded media | 2007 | Total exemption (full) |
| CAMBRIDGE STEEL STRUCTURES LTD | Fabricated metal products | 2007 | Total exemption (full) |
| MOOD FOODS LTD | Food products | 2007 | Total exemption (full) |
| SOFTICA LTD. | Electrical equipment | 2007 | Total exemption (full) |
| HI-BIZ LTD | Other manufacturing | 2007 | Total exemption (full) |
| REGENCY AUTOS LIMITED | Repair and installation of machinery | 2007 | Total exemption (full) |
| QUARTIX TECHNOLOGIES PLC | Ships, aircraft, rail and other transport | 2007 | Group accounts |
| SUREFLAP LIMITED | Rubber and plastics | 2007 | Full accounts |
| OPUS INSTRUMENTS LTD | Computers, electronics and optics | 2007 | Unaudited abridged |
| CN BIO INNOVATIONS LIMITED | Computers, electronics and optics | 2008 | Full accounts |
| INDUSTRIAL SITE SERVICES (CAMBRIDGE) LIMITED | Fabricated metal products | 2008 | Total exemption (full) |
| FAERCH UKCO I LIMITED | Rubber and plastics | 2008 | Unaudited abridged |
| VANKIT (UK) LIMITED | Repair and installation of machinery | 2009 | Total exemption (full) |
| VALDI LIMITED | Wood products | 2009 | Total exemption (full) |
| DOODLEHOUSES LIMITED | Fabricated metal products | 2009 | Total exemption (full) |
| MESOLENS LIMITED | Computers, electronics and optics | 2009 | Total exemption (full) |
| ACUTE MEDICINE EAST ANGLIA LIMITED | Other manufacturing | 2009 | Total exemption (full) |
| CALTEC INSTRUMENT SERVICES LIMITED | Electrical equipment | 2009 | Total exemption (full) |
| MAMELOK PAPERCRAFT LIMITED | Paper and paperboard | 2009 | Total exemption (full) |
| FITZBILLIES LIMITED | Food products | 2010 | Unaudited abridged |
| CAMBRIDGE METALWELD LIMITED | Fabricated metal products | 2010 | Total exemption (full) |
| CAMCOOL RESEARCH LIMITED | Fabricated metal products | 2010 | Total exemption (full) |
| PRAGMATIC SEMICONDUCTOR LIMITED | Computers, electronics and optics | 2010 | Full accounts |
| MACK STRUCTURES LTD | Fabricated metal products | 2010 | Total exemption (full) |