| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| COBOL-IT LIMITED | 07791992 | 29/09/2011 | Gold |
| ITHACA ROOFING LTD | 05669668 | 12/06/2008 | Gold |
| ITHACA SOLUTIONS LIMITED | 03761524 | 06/12/2004 | Gold |
| ITHACA SOLUTIONS LIMITED | 03761524 | 26/05/1999 | Gold |
| Intelligent Solutions Engineering & Maintenance Ltd | 05232159 | 15/09/2004 | Dissolved |
| Ithaca Consultancy Ltd | 04121246 | 06/12/2004 | Dissolved |
| Ithaca Consultancy Ltd | 04121246 | 07/12/2000 | Dissolved |
| MEDIUM SYSTEMS SOFTWARE INTERNATIONAL LIMITED | 08575157 | 20/08/2013 | One Red Flag |
| MSS INTERNATIONAL LIMITED | 03544606 | 01/09/2009 | Dissolved |
| MSS INTERNATIONAL LIMITED | 03544606 | 01/09/2009 | Dissolved |
| PC SERVICE LTD | 03648094 | 17/05/2021 | Silver |
| SNOASIS LIMITED | 03878844 | 01/09/2009 | Dissolved |
| Siscape Capital Ltd | 04131188 | 24/09/2002 | Dissolved |
| Siscape Technology Ltd | 04131174 | 21/08/2003 | Dissolved |
| Siscape Technology Ltd | 04131174 | 23/10/2002 | Dissolved |
| THE MODERNIZATION ALLIANCE LIMITED | 07344695 | 12/08/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| PALMER & WEBB SYSTEMS LIMITED | 01648965 | 23/06/2003 | 30/04/2007 | Dissolved |