| Name | Company Number | Date Appointed | Rating |
|---|
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| A Isp | 03274352 | 01/11/1996 | 07/06/2001 | Dissolved |
| A PREPAID CARD (UK) | 03744721 | 28/03/2000 | 07/06/2001 | Dissolved |
| AT&T GLOBAL MARKETS (EMEA) | 03764804 | 01/02/2000 | 07/06/2001 | Dissolved |
| CALL BRITANNIA LIMITED | 06788495 | 01/09/2009 | 30/04/2010 | Dissolved |
| DYNAMIS LIMITED | 03788210 | 25/02/2002 | 17/10/2003 | Bronze |
| EASYLINK SERVICES (UK) LIMITED | 03739714 | 14/01/2000 | 31/01/2001 | Dissolved |
| FOCUS SOLUTIONS GROUP LIMITED | 03911357 | 22/02/2000 | 04/12/2002 | Dissolved |
| GOHDR LTD | 06804791 | 02/03/2011 | 11/09/2013 | Dissolved |
| IN-SITU EUROPE LTD. | 02573628 | 31/01/2008 | 17/12/2010 | Gold |
| INFINITY SOFTWARE HOLDINGS LTD | 03134616 | 05/11/2012 | 02/04/2024 | Silver |
| IRESS PORTAL LIMITED | 02596452 | 01/04/1992 | 03/02/1998 | Silver |
| OPTICAL ANTENNA SOLUTIONS LTD | 05774230 | 11/04/2006 | 24/07/2010 | One Red Flag |
| SCIENCE WAREHOUSE LIMITED | 02890957 | 14/11/2003 | 31/05/2004 | Silver |
| SILVER LINING SOLUTIONS LIMITED | 03788040 | 09/03/2006 | 10/06/2010 | Dissolved |
| Softlab S I (U K) | 00412395 | 17/07/1996 | 01/04/1998 | Dissolved |
| Viatel Global Communications Ltd | 02948988 | 24/11/1999 | 29/02/2000 | Dissolved |
| Worldxchange Communications Ltd | 02671855 | 15/04/1999 | 05/11/1999 | Dissolved |