| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| INSOURCE MARKETING MANAGEMENT LLP | OC323023 | 28/01/2014 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ARCHIVE SERVICES LIMITED | 02307053 | 09/03/2007 | 31/07/2008 | Dissolved |
| ARCUS DATA SECURITY LIMITED | 02640804 | 09/03/2007 | 31/07/2008 | Dissolved |
| BRITANNIA DATA MANAGEMENT LIMITED | 01575446 | 09/03/2007 | 31/07/2008 | Bronze |
| D1 INSIGHTS LTD | 06784833 | 07/01/2009 | 12/01/2022 | Strike Off |
| DATA DISPOSAL LIMITED | 01539621 | 09/03/2007 | 31/07/2008 | Dissolved |
| DATAVAULT HOLDINGS LIMITED | 03638141 | 09/03/2007 | 31/07/2008 | Dissolved |
| DATAVAULT LIMITED | SC080642 | 09/03/2007 | 31/07/2008 | Dissolved |
| DOCUMENT STORAGE COMPANY LIMITED(THE) | 02109452 | 09/03/2007 | 31/07/2008 | Dissolved |
| EXPLORATOR GROUP LIMITED | 12377630 | 19/02/2021 | 12/01/2022 | Bronze |
| FILE-SAFE LIMITED | SC147075 | 31/01/2007 | 31/07/2008 | Dissolved |
| IRON MOUNTAIN DIMS LIMITED | 02760301 | 09/03/2007 | 31/07/2008 | One Red Flag |
| IRON MOUNTAIN EUROPE (GROUP) LIMITED | 05882719 | 09/03/2007 | 01/08/2008 | Bronze |
| IRON MOUNTAIN GROUP (EUROPE) LIMITED | 03667412 | 09/03/2007 | 31/07/2008 | Dissolved |
| IRON MOUNTAIN HOLDINGS (EUROPE) LIMITED | 03847309 | 09/03/2007 | 31/07/2008 | One Red Flag |
| IRON MOUNTAIN LIVINGSTON LIMITED | SC226889 | 09/03/2007 | 31/07/2008 | Dissolved |
| IRON MOUNTAIN MAYFLOWER LIMITED | 05042621 | 09/03/2007 | 31/07/2008 | Dissolved |
| IRON MOUNTAIN MDM LIMITED | 01447686 | 09/03/2007 | 31/07/2008 | Not Trading |
| IRON MOUNTAIN PLE LIMITED | 03714414 | 09/03/2007 | 31/07/2008 | Dissolved |
| IRON MOUNTAIN SCOTLAND (HOLDINGS) LIMITED | SC150077 | 09/03/2007 | 31/07/2008 | Dissolved |
| IRON MOUNTAIN SCOTLAND LIMITED | SC096145 | 09/03/2007 | 31/07/2008 | Dissolved |
| IRON MOUNTAIN SECURE SHREDDING LIMITED | 03094610 | 09/03/2007 | 31/07/2008 | Dissolved |
| JAD (93) LIMITED | SC143870 | 09/03/2007 | 31/07/2008 | Dissolved |
| Jones & Crossland Ltd | 00641974 | 09/03/2007 | 31/07/2008 | Dissolved |
| KESTREL DATA (UK) LIMITED | 01575457 | 09/03/2007 | 31/07/2008 | Dissolved |
| KESTREL DATA SERVICES LIMITED | 01177562 | 09/03/2007 | 31/07/2008 | Dissolved |
| SCENTRICS INFORMATION SECURITY TECHNOLOGIES LIMITED | 06539484 | 26/08/2008 | 23/03/2021 | Insolvent |
| SILVER SKY LIMITED | FC021495 | 09/03/2007 | 15/07/2008 | Strike Off |
| Security Destruction Ltd | 02571871 | 09/03/2007 | 31/07/2008 | Dissolved |
| TVM CONSULTING LIMITED | 04345106 | 01/07/2021 | 12/01/2022 | Silver |