| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CHIGWELL SCHOOL | 05846105 | 15/07/2006 | Gold |
| R.E.X. SOFTWARE LIMITED | 01698946 | 01/07/2000 | Dissolved |
| The Worshipful Co of Information Technologists Charitable Op | 05697772 | 04/02/2006 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABILITYNET | 03469653 | 15/05/2008 | 29/01/2019 | Silver |
| BCS LEARNING & DEVELOPMENT LIMITED | 01005485 | 27/04/2007 | 04/09/2012 | Silver |
| CITO MANAGEMENT SERVICES LIMITED | 04285107 | 04/11/2002 | 14/12/2021 | Not Trading |
| CONCURRENT THINKING LIMITED | 07053109 | 25/05/2012 | 23/01/2015 | Dissolved |
| Ditec International Ltd | 02573137 | 11/01/1993 | 28/01/1993 | Dissolved |
| I B M Service Plus Ltd | 01188718 | 09/06/1993 | 11/08/1995 | Dissolved |
| IBM UNITED KINGDOM HOLDINGS LIMITED | 00122953 | 31/05/1992 | 02/05/1997 | Silver |
| IBM UNITED KINGDOM LIMITED | 00741598 | 19/05/1994 | 02/05/1997 | Silver |
| Integrated Systems Solutions Co Ltd | 00791289 | 31/05/1992 | 19/08/1994 | Dissolved |
| Subsonic Blues Ltd | 03716781 | 16/02/1999 | 01/04/1999 | Dissolved |
| THE WORSHIPFUL COMPANY OF INFORMATION TECHNOLOGISTS CHARITY | 05697763 | 01/01/2016 | 08/12/2020 | Gold |
| WATERFIELDS LIMITED | 02375859 | 09/01/1993 | 12/04/2001 | Dissolved |
| XPS PENSIONS CONSULTING LIMITED | 02459442 | 24/04/1992 | 01/04/1999 | Silver |
| Xynet | 02857525 | 27/10/1993 | 01/11/1994 | Dissolved |