| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Execuspace Ltd | 01005292 | 10/10/1996 | Dissolved |
| FB MANAGEMENT LIMITED | 07094506 | 03/12/2009 | Strike Off |
| FIRST BASE ALDERSHOT LIMITED | 03582917 | 20/07/1998 | Dissolved |
| FIRST BASE LEASING LIMITED | 03153006 | 15/12/2003 | Dissolved |
| FIRST BASE SOLIHULL LIMITED | 03780713 | 26/05/1999 | Dissolved |
| First Base Piccadilly Ltd | 03239523 | 22/08/1996 | Dissolved |
| Perrybolt Ltd | 03003370 | 15/03/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| CANNON STREET BUSINESS CENTRE LIMITED | 03890317 | 08/12/1999 | 10/04/2017 | One Red Flag |
| CENCOST LIMITED | 03247615 | 01/11/2004 | 10/04/2017 | One Red Flag |
| FIRST BASE HARLEY STREET LIMITED | 03336544 | 19/03/1997 | 10/04/2017 | One Red Flag |
| FIRST BASE OLD STREET LIMITED | 03465137 | 01/08/1998 | 10/04/2017 | One Red Flag |
| FIRST BASE SELF STORAGE LIMITED | 04254405 | 18/07/2001 | 01/04/2003 | Bronze |
| FIRST BASE SOUTHAMPTON LIMITED | 02149685 | 15/12/2003 | 10/04/2017 | One Red Flag |
| FIRST BASE STORAGE LIMITED | 04223021 | 24/05/2001 | 31/05/2018 | Strike Off |
| FIRST BASE TRENT LIMITED | 04223044 | 24/05/2001 | 31/05/2018 | Strike Off |
| FIRST BASE VICTORIA LIMITED | 03204198 | 28/05/1996 | 10/04/2017 | Two Red Flags |
| FIRST BASE WIMBLEDON LIMITED | 04223035 | 24/05/2001 | 10/04/2017 | One Red Flag |
| KENSINGTON EXECUTIVE SERVICES LIMITED | 03321079 | 22/04/1998 | 10/04/2017 | Dissolved |
| MITRO HOLDINGS LIMITED | 07254969 | 17/05/2010 | 28/02/2012 | Dissolved |
| ONE TO SEVEN LIMITED | 03336491 | 19/03/1997 | 10/04/2017 | Bronze |
| POLICY SYSTEMS LIMITED | 03208912 | 15/12/2003 | 10/04/2017 | Bronze |