| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ACTEON A1 LIMITED | 12024140 | 30/05/2019 | Dissolved |
| R.R.I.M. ASSOCIATES LIMITED | 04198536 | 25/02/2020 | Dissolved |
| SEATRONICS (1999) LIMITED | 02712220 | 06/07/2007 | Dissolved |
| WHOC (QDS) LIMITED | 04808126 | 23/06/2003 | Dissolved |
| WHOC LIMITED | 04665835 | 13/02/2003 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ACTEON GROUP LIMITED | 04231212 | 08/06/2001 | 15/07/2021 | Amber |
| ACTEON MIDDLE EAST AND FAR EAST INVESTMENTS LIMITED | 06435813 | 23/11/2007 | 08/01/2021 | One Red Flag |
| ACTEON SOUTH AMERICAN INVESTMENTS LIMITED | 05816192 | 15/05/2006 | 10/05/2021 | One Red Flag |
| ACTEON UK FINANCING IV (AUD) LIMITED | 12028775 | 03/06/2019 | 17/01/2020 | N/A |
| BRUCE ANCHOR LIMITED | SC549599 | 08/11/2016 | 03/07/2017 | One Red Flag |
| CENTURY INTERMOOR HOLDINGS LIMITED | 09093814 | 19/06/2014 | 22/07/2021 | One Red Flag |
| CLAXTON ENGINEERING SERVICES LIMITED | 01927530 | 04/07/2019 | 16/08/2019 | Gold |
| GEOSCAN GROUP LIMITED | SC167153 | 06/07/2007 | 09/07/2021 | Gold |
| HOME-START NORFOLK | 05196432 | 07/06/2017 | 01/08/2019 | Gold |
| J2 SUBSEA LTD | SC344830 | 07/01/2020 | 15/07/2021 | Silver |
| OFFSHORE INSTALLATION SERVICES LTD | 07432799 | 08/11/2010 | 21/01/2011 | Dissolved |
| PROBE MANUFACTURING AND FABRICATION LIMITED | 01168238 | 05/09/2013 | 28/09/2016 | Silver |
| SEASCAN LIMITED | SC197038 | 06/07/2007 | 15/07/2021 | Silver |
| U.W.G. LIMITED | 02369087 | 10/05/2013 | 10/05/2021 | Amber |
| UTEC INTERNATIONAL LIMITED | SC294581 | 21/11/2014 | 21/06/2016 | Bronze |
| UTEC NCS SURVEY LIMITED | SC282769 | 25/05/2011 | 31/01/2012 | Gold |