| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BRISTOW INTERNATIONAL LIMITED | 04005312 | 27/10/2008 | Dissolved |
| BRITISH EXECUTIVE AIR SERVICES LIMITED | 00805738 | 27/10/2008 | Dissolved |
| Bristow Aviation Ltd | 00923298 | 27/10/2008 | Dissolved |
| Lindair Europe Ltd | 02517954 | 27/10/2008 | Dissolved |
| Perth Airport Ltd | 00345684 | 27/10/2008 | Dissolved |
| SKY SELECT LIMITED | 03690256 | 27/10/2008 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| AIRPORT CATERING SERVICES (SCOTLAND) LIMITED | SC045393 | 01/11/2006 | 19/09/2008 | Dissolved |
| AIRPORT DUTY FREE SHOPS LIMITED | 00938373 | 01/11/2006 | 19/09/2008 | Dissolved |
| ALPHA AIRPORTS (FURBS) TRUSTEES LIMITED | 00439673 | 01/11/2006 | 19/09/2008 | Dissolved |
| ALPHA ASD LIMITED | 05652349 | 01/11/2006 | 19/09/2008 | Dissolved |
| ALPHA ESOP TRUSTEE LIMITED | 00902250 | 01/11/2006 | 19/09/2008 | Dissolved |
| ALPHA EUROSERVICES LIMITED | 02987686 | 01/11/2006 | 19/09/2008 | Dissolved |
| ALPHA FLIGHT GROUP LIMITED | 02997941 | 01/11/2006 | 19/09/2008 | Gold |
| ALPHA FLIGHT UK LIMITED | 03288678 | 01/11/2006 | 19/09/2008 | Insolvent |
| ALPHA IN-FLIGHT RETAIL LIMITED | 01160226 | 01/11/2006 | 19/09/2008 | Dissolved |
| AVIA QUEST LIMITED | 04807938 | 27/10/2008 | 06/01/2012 | Dissolved |
| Alpha Airport Services Ltd | 00675300 | 01/11/2006 | 19/09/2008 | Dissolved |
| Alpha Services Group Ltd | 00980131 | 01/11/2006 | 19/09/2008 | Dissolved |
| BRISTOW AERIAL SOLUTIONS LIMITED | 05931055 | 27/10/2008 | 06/01/2012 | Dissolved |
| BRISTOW AVIATION HOLDINGS LIMITED | 03234500 | 27/10/2008 | 06/01/2012 | Amber |
| BRISTOW HELICOPTER GROUP LIMITED | 02641653 | 27/10/2008 | 06/01/2012 | Gold |
| BRISTOW HELICOPTERS (INTERNATIONAL) LIMITED | 00604403 | 27/10/2008 | 06/01/2012 | One Red Flag |
| BRISTOW HELICOPTERS LIMITED | 00551102 | 27/10/2008 | 06/01/2012 | Bronze |
| BRISTOW SOUTHEAST ASIA LIMITED | 06400653 | 27/10/2008 | 06/01/2012 | One Red Flag |
| BRISTOW STAFF PENSION SCHEME TRUSTEES LIMITED | 02663634 | 27/10/2008 | 06/01/2012 | Not Trading |
| BRISTOW TECHNICAL SERVICES LIMITED | 00520374 | 27/10/2008 | 06/01/2012 | Bronze |
| CALEDONIAN HELICOPTERS LIMITED | 00985151 | 27/10/2008 | 06/01/2012 | Amber |
| CASTLE AIR ACADEMY LIMITED | 02668308 | 05/12/2008 | 06/01/2012 | One Red Flag |
| CASTLE AIR GROUP LIMITED | 02774334 | 05/12/2008 | 06/01/2012 | Bronze |
| HMSHOST UK LIMITED | 03650426 | 08/11/2007 | 19/09/2008 | Amber |
| PRATT & LESLIE JONES LIMITED | 00379444 | 01/11/2006 | 19/09/2008 | Dissolved |
| SAKHALIN BRISTOW AIR SERVICES LIMITED | 04364566 | 27/10/2008 | 06/01/2012 | Dissolved |
| UNITED HELICOPTERS LIMITED | 00552382 | 27/10/2008 | 06/01/2012 | Bronze |
| WDFG GB LIMITED | 02854090 | 01/11/2006 | 19/09/2008 | Not Trading |
| WDFG INTERNATIONAL LIMITED | 02199282 | 01/11/2006 | 19/09/2008 | Dissolved |
| WDFG UK LIMITED | 02872512 | 01/11/2006 | 19/09/2008 | Gold |
| WDFG UK PENSION TRUSTEES LIMITED | 02938533 | 01/11/2006 | 19/09/2008 | Gold |