| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CRAIGENTOUL LIMITED | SC638020 | 06/08/2019 | One Red Flag |
| KIMANNE INVESTMENTS LIMITED | SC796398 | 24/01/2024 | Amber |
| LAIRN INVESTMENTS LIMITED | SC796199 | 22/01/2024 | Amber |
| LICOL LIMITED | SC793543 | 28/12/2023 | Amber |
| LINCOLN PRIVATE INVESTMENT OFFICE LLP | OC389623 | 01/01/2022 | Silver |
| MAVEN CAPITAL (TELFER HOUSE) LLP | SO304751 | 03/04/2014 | Bronze |
| SAFFRON UK MIDCO LIMITED | SC466130 | 21/03/2014 | Dissolved |
| SAFFRON UK TOPCO LIMITED | SC466123 | 21/03/2014 | Dissolved |
| Wood Group Pressure Control Holdings Ltd | SC191311 | 07/01/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ABRDN UK SMALLER COMPANIES GROWTH TRUST PLC | SC145455 | 01/07/2014 | 31/03/2020 | Bronze |
| AMEC FOSTER WHEELER INTERNATIONAL HOLDINGS LIMITED | SC202031 | 01/12/1999 | 14/02/2007 | Dissolved |
| ATKINSRÉALIS (WS) LIMITED | 01885586 | 04/09/2013 | 03/07/2017 | Gold |
| BAKER HUGHES PRESSURE CONTROL LIMITED | SC057020 | 01/12/1997 | 28/11/2003 | Silver |
| D BRASH HOLDINGS LIMITED | SC458849 | 01/10/2013 | 18/06/2020 | Bronze |
| D. BRASH & SONS LIMITED | SC056784 | 01/10/2013 | 18/06/2020 | Gold |
| ETHOS ENERGY GROUP LIMITED | SC454431 | 06/05/2014 | 31/12/2014 | Silver |
| ETHOSENERGY (GBR) LIMITED | SC149291 | 01/07/1996 | 01/01/2006 | Silver |
| ETHOSENERGY (MIDDLE EAST) LIMITED | SC099690 | 19/03/1992 | 01/01/2006 | Silver |
| ETHOSENERGY LIGHT TURBINES LIMITED | 01549768 | 01/08/2000 | 01/01/2006 | Amber |
| EXOVA GROUP LIMITED | 08907086 | 16/04/2014 | 29/06/2017 | Bronze |
| GAS TURBINE FUEL SYSTEMS LIMITED | 01831399 | 31/12/1996 | 28/11/2003 | Dissolved |
| GLACIER ENERGY SERVICES HOLDINGS LIMITED | SC393101 | 30/06/2020 | 15/12/2023 | Amber |
| GREENWELL SERVICES (UK) LIMITED | 01775195 | 12/08/1991 | 28/11/2003 | Dissolved |
| J P KENNY TECHNOLOGY LIMITED | 01905854 | 31/12/1995 | 28/11/2003 | Dissolved |
| JOHN WOOD GROUP PLC | SC036219 | 12/08/1991 | 14/05/2014 | Silver |
| JOHN WOOD GROUP US COMPANY | SC210618 | 29/08/2000 | 28/11/2003 | Dissolved |
| JWGUS COMPANY LIMITED | SC210619 | 01/09/2000 | 14/02/2007 | Dissolved |
| JWGUSA HOLDINGS LIMITED | SC178512 | 02/04/1999 | 28/11/2003 | Gold |
| MAVEN INCOME AND GROWTH VCT 5 PLC | 04084875 | 01/06/2013 | 28/04/2020 | Gold |
| Patol Systems Ltd | SC178508 | 02/04/1999 | 28/11/2003 | Dissolved |
| RWG (REPAIR & OVERHAULS) LIMITED | SC120673 | 12/08/1991 | 12/12/2008 | Gold |
| STARN ENERGY SERVICES GROUP LIMITED | SC466142 | 21/03/2014 | 31/12/2022 | One Red Flag |
| STARN GROUP LIMITED | SC466138 | 21/03/2014 | 31/12/2022 | One Red Flag |
| SULZER (ABERDEEN) LIMITED | SC147952 | 28/11/2003 | 08/09/2004 | Bronze |
| THREE60 CONSTRUCTION & COMMISSIONING LTD | SC565160 | 20/12/2018 | 01/03/2022 | One Red Flag |
| THREE60 ENERGY LIMITED | 10366459 | 06/02/2018 | 01/03/2022 | Amber |
| THREE60 EPCC HOLDINGS LIMITED | 11144701 | 06/02/2018 | 01/03/2022 | One Red Flag |
| THREE60 OPERATIONS SERVICES LIMITED | 11719360 | 10/12/2018 | 01/03/2022 | Bronze |
| WG POWER US LIMITED | SC106951 | 19/03/1992 | 01/01/2006 | Dissolved |
| WGD005 LIMITED | SC106505 | 27/09/1996 | 28/11/2003 | Dissolved |
| WGD006 LIMITED | SC178509 | 04/09/1998 | 28/11/2003 | Dissolved |
| WGD014 LIMITED | 01381826 | 31/12/1996 | 28/11/2003 | Dissolved |
| WGD020 LIMITED | 02331089 | 31/12/1995 | 28/11/2003 | Dissolved |
| WGD025 LIMITED | 00108690 | 27/09/1996 | 28/11/2003 | Dissolved |
| WGD030 LIMITED | 01290425 | 01/06/1993 | 28/11/2003 | Dissolved |
| WGD034 LIMITED | SC119415 | 01/08/2000 | 01/01/2006 | Dissolved |
| WGD035 LIMITED | 01273180 | 25/03/1994 | 01/01/2006 | Dissolved |
| WILLOWASSET LIMITED | SC223252 | 01/10/2001 | 20/06/2003 | Dissolved |
| WOOD GROUP ASSET MANAGEMENT SOLUTIONS LIMITED | SC143733 | 30/04/1993 | 01/01/2006 | Dissolved |
| WOOD GROUP ENGINEERING (NORTH SEA) LIMITED | SC030715 | 19/03/1992 | 28/11/2003 | Gold |
| WOOD GROUP GAS TURBINE SERVICES HOLDINGS LIMITED | SC159160 | 21/06/1996 | 01/02/2006 | Dissolved |
| WOOD GROUP GAS TURBINES LIMITED | SC203210 | 26/01/2000 | 01/01/2006 | Dissolved |
| WOOD GROUP HOLDINGS (INTERNATIONAL) LIMITED | SC169712 | 03/03/2004 | 14/02/2007 | Amber |
| WOOD GROUP KENNY CORPORATE LIMITED | SC147353 | 02/11/1993 | 28/11/2003 | Gold |
| WOOD GROUP MANAGEMENT SERVICES LIMITED | SC178510 | 02/04/1999 | 01/11/2012 | Dissolved |
| WOOD GROUP PROPERTIES LIMITED | SC178511 | 02/04/1999 | 28/11/2003 | Dissolved |