| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ANALYSYS CONSULTING LIMITED | 03897553 | 21/12/2005 | Dissolved |
| ANALYSYS LIMITED | 01819989 | 28/06/2010 | Gold |
| ANALYSYS MASON GROUP LIMITED | 03454789 | 28/06/2010 | Dissolved |
| ANALYSYS MASON LIMITED | 05177472 | 07/08/2004 | Gold |
| ANALYSYS RESEARCH LIMITED | 03977996 | 28/06/2010 | Dissolved |
| ANALYSYS VENTURES LIMITED | 03976726 | 28/06/2010 | Dissolved |
| ARAMIS BIDCO LIMITED | 14106894 | 27/09/2022 | Bronze |
| ARAMIS MIDCO 1 LIMITED | 14106426 | 27/09/2022 | Silver |
| ARAMIS MIDCO 2 LIMITED | 14106487 | 27/09/2022 | Silver |
| ARAMIS MIDCO 3 LIMITED | 14106746 | 27/09/2022 | Bronze |
| ARAMIS TOPCO LIMITED | 14106372 | 27/09/2022 | Bronze |
| Catalyst It Partners Ltd | 03049744 | 09/03/2011 | Dissolved |
| MASON COMMUNICATIONS LIMITED | 02755458 | 03/08/2010 | Dissolved |
| MASON SITE FINDER LIMITED | 04122156 | 28/06/2010 | Dissolved |
| Oss Observer Ltd | SC294382 | 28/06/2010 | Dissolved |
| REDBOX CONSULTING SERVICES LIMITED | 03807923 | 28/06/2010 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ANALYSYS LIMITED | 01819989 | 28/06/2010 | 06/07/2010 | Gold |
| ANALYSYS MASON GROUP LIMITED | 03454789 | 28/06/2010 | 06/07/2010 | Dissolved |
| MASON COMMUNICATIONS LIMITED | 02755458 | 28/06/2010 | 03/08/2010 | Dissolved |