| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| B-Active Ltd | 03950881 | 20/03/2000 | Dissolved |
| Boxgrove Britannicus Fencing Ltd | 03994901 | 16/05/2000 | Dissolved |
| Britannicus Conducere Ltd | 03959246 | 29/03/2000 | Dissolved |
| Britannicus Integrity Ltd | 03959274 | 29/03/2000 | Dissolved |
| Britannicus Plc | 03256480 | 15/06/2000 | Dissolved |
| Britannicus Sports' Surfaces Ltd | 03951291 | 20/03/2000 | Dissolved |
| Cusc Lapguard Ltd | 04492256 | 23/07/2002 | Dissolved |
| Gymnasium Ltd | 03951314 | 20/03/2000 | Dissolved |
| ITL CONSULTANCY LTD | 12858749 | 04/09/2020 | Not Trading |
| Nummarius Ltd | 03959266 | 29/03/2000 | Dissolved |
| Team Britannicus Ltd | 03959258 | 29/03/2000 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ITLOCKER LIMITED | 13605276 | 01/10/2021 | 26/02/2023 | Amber |
| MATRIX BUSINESS GROUP LIMITED | 10099654 | 08/09/2021 | 15/11/2022 | Bronze |
| MATRIX BUSINESS IT LIMITED | 10099930 | 08/09/2021 | 01/02/2023 | Bronze |
| NOVIOMAGUS LIMITED | 03210979 | 15/06/2000 | 31/07/2001 | Dissolved |
| TAILOR MADE TECHNOLOGIES LIMITED | 04125178 | 01/12/2004 | 03/09/2020 | Gold |
| THE UNIVERSITY OF PORTSMOUTH STUDENTS' UNION | 03934555 | 22/04/2014 | 31/01/2017 | Bronze |
| THE VICTORY (SERVICES) ASSOCIATION | 00429298 | 16/06/1998 | 03/10/2006 | Silver |
| VSC (TRADING) LIMITED | 03532841 | 29/06/2004 | 12/12/2006 | Bronze |