| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ARK (CODY PARK) LIMITED | 05748944 | 04/03/2013 | Dissolved |
| ARK (FARNBOROUGH) LIMITED | 05690008 | 04/03/2013 | Dissolved |
| ARK A9 GP LIMITED | 07683878 | 04/03/2013 | One Red Flag |
| ARK DATA A101 LIMITED | 08676856 | 04/09/2013 | Dissolved |
| ARK DATA A102 LIMITED | 08678692 | 05/09/2013 | Dissolved |
| ARK DATA CENTRES LIMITED | 05656968 | 04/03/2013 | Amber |
| ARK DATA CODY PARK LIMITED | 07004757 | 04/03/2013 | Dissolved |
| ARK DATA DEVELOPMENTS LIMITED | 08678688 | 05/09/2013 | Dissolved |
| ARK DATA HOLDINGS LIMITED | 08676768 | 04/09/2013 | Dissolved |
| ARK DATA P1 LIMITED | 07532136 | 04/03/2013 | Dissolved |
| ARK DATA P2 LIMITED | 08687970 | 12/09/2013 | Dissolved |
| ARK DATA SECURE LIMITED | 08678690 | 05/09/2013 | Dissolved |
| ARK DATA SPRING PARK LIMITED | 05282290 | 05/03/2013 | Dissolved |
| ARK DATA SQ17 LIMITED | 06180094 | 04/03/2013 | Insolvent |
| ARK ESTATES A101 LIMITED | 08676926 | 04/09/2013 | Dissolved |
| ARK ESTATES A102 LIMITED | 08679101 | 05/09/2013 | Dissolved |
| ARK ESTATES A9 LIMITED | 08678687 | 05/09/2013 | Dissolved |
| ARK ESTATES CODY PARK LIMITED | 08630640 | 30/07/2013 | Bronze |
| ARK ESTATES DEVELOPMENT LIMITED | 10500200 | 28/11/2016 | Silver |
| ARK ESTATES ENFIELD LIMITED | 11202145 | 13/02/2018 | Bronze |
| ARK ESTATES HOLDINGS LIMITED | 08676791 | 04/09/2013 | Bronze |
| ARK ESTATES P1 LIMITED | 08679093 | 05/09/2013 | Dissolved |
| ARK ESTATES P2 LIMITED | 08679116 | 05/09/2013 | Dissolved |
| ARK ESTATES SPRING PARK LIMITED | 10009711 | 17/02/2016 | Bronze |
| ARK ESTATES SQ17 LIMITED | 08678596 | 05/09/2013 | Dissolved |
| ARK ESTATES VAULTS LIMITED | 08679107 | 05/09/2013 | Dissolved |
| ARK UTILITIES LIMITED | 05481411 | 04/03/2013 | Silver |
| CROWN HOSTING DATA CENTRES LIMITED | 09274699 | 16/03/2015 | Silver |
| TEN ARDRA ROAD LIMITED | 09443489 | 29/06/2018 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ENTERPRISE SERVICES DEFENCE AND SECURITY UK LIMITED | 00936751 | 13/03/2009 | 06/10/2011 | Not Trading |
| ENTSERV UK LIMITED | 00053419 | 12/05/2008 | 25/09/2008 | Silver |