| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| SEA GARDEN (HOPE COVE) LIMITED | 05186077 | 24/04/2013 | Not Trading |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADVANCED TECHNOLOGY DESIGN LIMITED | 02103149 | 08/04/1994 | 18/07/1995 | Dissolved |
| B & R TAYLOR LIMITED | 00779301 | 08/04/1994 | 18/07/1995 | Dissolved |
| CAFFYNS PUBLIC LIMITED COMPANY | 00105664 | 02/02/2004 | 25/10/2013 | One Red Flag |
| EXPLEO UK LIMITED | 01147167 | 30/09/1993 | 08/11/1993 | Gold |
| EXPLEO UK LIMITED | 01147167 | 30/09/1993 | 26/10/1995 | Gold |
| FENTON TECHNOLOGY DESIGN LIMITED | 00623926 | 08/04/1994 | 18/07/1995 | Dissolved |
| Fenton Technology Staff Ltd | 01853349 | 08/04/1994 | 18/07/1995 | Dissolved |
| Harvey Design Co Ltd | 02105802 | 05/04/1994 | 18/07/1995 | Dissolved |
| INBIS TECHNOLOGY LIMITED | 00710001 | 04/01/1994 | 31/12/1994 | Dissolved |
| INBIS TECHNOLOGY LIMITED | 00710001 | 04/01/1994 | 10/01/1995 | Dissolved |
| RICARDO INVESTMENTS LIMITED | 02251330 | 03/01/1995 | 22/09/1997 | Silver |
| RICARDO INVESTMENTS LIMITED | 02251330 | 24/10/1997 | 05/01/2007 | Silver |
| RICARDO PENSION SCHEME (TRUSTEES) LIMITED | 02376569 | 10/02/1998 | 16/06/2005 | Not Trading |
| RICARDO PLC | 00222915 | 07/04/1997 | 05/01/2007 | Silver |
| RICARDO SPECIAL VEHICLES LIMITED | 02724017 | 03/01/1995 | 22/09/1997 | Dissolved |
| RICARDO SPECIAL VEHICLES LIMITED | 02724017 | 07/07/2006 | 05/01/2007 | Dissolved |
| RICARDO TECHNOLOGY LIMITED | 02924157 | 09/11/1998 | 29/05/2007 | Not Trading |
| RICARDO TEST SERVICES LIMITED | 02388669 | 03/01/1995 | 22/09/1997 | Dissolved |
| RICARDO TEST SERVICES LIMITED | 02388669 | 31/12/1998 | 09/06/2007 | Dissolved |
| RICARDO TRANSMISSIONS LIMITED | 01498115 | 03/01/1995 | 22/09/1997 | Not Trading |
| RICARDO TRANSMISSIONS LIMITED | 01498115 | 31/12/1998 | 10/06/2007 | Not Trading |
| RICARDO UK LIMITED | 02815682 | 09/11/1998 | 05/01/2007 | Silver |
| Ricardo M T C Ltd | 01029568 | 16/04/1999 | 05/01/2007 | Dissolved |
| Ricardo Properties Ltd | 02032816 | 25/11/1998 | 04/06/2007 | Dissolved |
| Ricardo Quest Trustees Ltd | 03876756 | 03/03/2004 | 10/12/2007 | Dissolved |
| SABRE DESIGNS LIMITED | 00954256 | 08/04/1994 | 18/07/1995 | Dissolved |
| SAC PLAZABAY LIMITED | 01067505 | 08/01/1994 | 18/07/1995 | Dissolved |
| SAIC MOTOR UK TECHNICAL CENTRE LIMITED | 05437330 | 28/04/2005 | 05/01/2007 | Amber |
| Sabre Controls (Willenhall) Ltd | 01015938 | 08/04/1994 | 18/07/1995 | Dissolved |
| Sac International Plc | 01059009 | 09/11/1998 | 04/06/2007 | Dissolved |
| TEST AUTOMATION LIMITED | 01676643 | 29/09/1995 | 02/02/1998 | Dissolved |
| TEST AUTOMATION LIMITED | 01676643 | 10/12/1998 | 20/02/2001 | Dissolved |
| Test Equipment Ltd | 02144850 | 29/09/1995 | 03/08/1999 | Dissolved |
| Test Equipment Ltd | 02144850 | 29/09/1995 | 20/02/2001 | Dissolved |