| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| .BIG YELLOW SELF STORAGE (GP) LIMITED | 04103205 | 12/11/2007 | Not Trading |
| .BIG YELLOW SELF STORAGE COMPANY LIMITED | 05166173 | 06/08/2004 | Silver |
| BIG YELLOW (BATTERSEA) LIMITED | 09334100 | 01/12/2014 | Bronze |
| BIG YELLOW GROUP PLC | 03625199 | 04/09/1998 | Silver |
| BIG YELLOW NOMINEE NO. 1 LIMITED | 06378147 | 19/11/2007 | Not Trading |
| BIG YELLOW NOMINEE NO.2 LIMITED | 06378165 | 19/11/2007 | Not Trading |
| BIG YELLOW SELF STORAGE COMPANY 1 LIMITED | 04401505 | 24/04/2002 | Not Trading |
| BIG YELLOW SELF STORAGE COMPANY 3 LIMITED | 04692356 | 30/06/2003 | Not Trading |
| BIG YELLOW SELF STORAGE COMPANY 4 LIMITED | 03751659 | 19/05/1999 | Not Trading |
| BIG YELLOW SELF STORAGE COMPANY A LIMITED | 07922788 | 03/04/2012 | Bronze |
| BYRCO LIMITED | 05622587 | 22/02/2006 | Silver |
| BYSSCO A LIMITED | 07922885 | 03/04/2012 | Not Trading |
| BYSSCO LIMITED | 02286547 | 18/01/1999 | Not Trading |
| LSR TRUSTEE LIMITED | 06178592 | 30/03/2007 | Dissolved |
| THE BIG YELLOW CONSTRUCTION COMPANY LIMITED | 03870689 | 07/12/1999 | Silver |
| THE BIG YELLOW HOLDING COMPANY LIMITED | 03932245 | 09/02/2001 | Not Trading |
| THE CONDUIT HOLDCO LIMITED | 11018010 | 27/09/2021 | Amber |
| THE LAST MILE COMPANY LIMITED | 03875125 | 04/02/2000 | One Red Flag |
| THE ROYAL DRAWING SCHOOL | 04971133 | 02/12/2020 | Silver |
| UT ADMINISTRATION LTD | 12888236 | 18/09/2020 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ALINA HOLDINGS PLC | 05304743 | 30/03/2007 | 04/10/2019 | Amber |
| BIG YELLOW SELF STORAGE COMPANY 8 LIMITED | 05605025 | 12/12/2005 | 01/12/2022 | Dissolved |
| NOS 4 LIMITED | 05707123 | 29/06/2013 | 04/10/2019 | Bronze |
| NOS 5 LIMITED | 05707124 | 29/06/2013 | 04/10/2019 | Bronze |
| NOS 6 LIMITED | 06188983 | 29/06/2013 | 04/10/2019 | Silver |
| NOS 7 LIMITED | 06188985 | 29/06/2013 | 04/10/2019 | Dissolved |
| PATRICK CORPORATE INVESTMENT LIMITED | 01091438 | 11/04/2017 | 29/02/2020 | Dissolved |
| QUICKSTORE STORAGE LIMITED | 04514034 | 11/04/2017 | 29/02/2020 | Silver |