| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| Crosby,Philip,Associates (U K) Ltd | 01892687 | 06/10/2000 | Dissolved |
| Czipin & Partners Ltd | 02762065 | 07/08/2002 | Dissolved |
| DAILY MAIL AND GENERAL TRUST P L C | 00184594 | 22/05/2014 | Bronze |
| Indevo Consultants Ltd | 02605711 | 06/10/2000 | Dissolved |
| K A H PARRY LIMITED | 06909930 | 23/06/2009 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| 7-10 WARWICK SQUARE FREEHOLD LIMITED | 02613862 | 16/11/1999 | 20/09/2001 | Gold |
| ABRDN HOLDINGS LIMITED | SC082015 | 14/08/2017 | 31/12/2018 | Silver |
| ABRDN INVESTMENTS (HOLDINGS) LIMITED | SC298143 | 14/08/2017 | 31/12/2018 | Silver |
| ABRDN PLC | SC286832 | 27/10/2014 | 31/12/2018 | Silver |
| ALEXANDER PROUDFOOT (EUROPE) LIMITED | 02452071 | 04/09/2000 | 31/03/2008 | One Red Flag |
| ALEXANDER PROUDFOOT COMPANY OF EUROPE LIMITED | 01054993 | 06/10/2000 | 31/03/2008 | Dissolved |
| ALEXANDER PROUDFOOT LIMITED | 02475731 | 06/10/2000 | 31/03/2008 | Dissolved |
| ELEVATE PORTFOLIO SERVICES LIMITED | 01128611 | 29/05/2018 | 31/12/2018 | Gold |
| INTERMEDIATE CAPITAL GROUP PLC | 02234775 | 23/06/2009 | 31/12/2019 | Silver |
| KURT SALMON ASSOCIATES LIMITED | 00641077 | 12/10/2007 | 31/03/2008 | Dissolved |
| KURT SALMON UKI LIMITED | 01299222 | 06/10/2000 | 31/03/2008 | Dissolved |
| MANAGEMENT CONSULTANCIES ASSOCIATION LIMITED | 00772318 | 01/09/2000 | 01/01/2008 | Silver |
| MANAGEMENT CONSULTANCY GROUP LIMITED | 01624814 | 06/10/2000 | 31/03/2008 | Dissolved |
| MANAGEMENT CONSULTING GROUP OVERSEAS LIMITED | 02170154 | 06/10/2000 | 31/03/2008 | One Red Flag |
| MANAGEMENT CONSULTING GROUP PLC | 01000608 | 01/01/2000 | 19/02/2008 | Amber |
| MCG COMPANY NO 1 LTD | 04897584 | 15/09/2003 | 31/03/2008 | One Red Flag |
| MCG COMPANY NO 4 LIMITED | 05117093 | 30/04/2004 | 31/03/2008 | Dissolved |
| McG Co No 2 | 04897595 | 15/09/2003 | 31/03/2008 | Dissolved |
| McG Co No 3 | 05084446 | 25/03/2004 | 31/03/2008 | Dissolved |
| NEWFINANCE CAPITAL PARTNERS LIMITED | 04060139 | 23/03/2009 | 04/08/2011 | Dissolved |
| ROYAL LONDON ASSET MANAGEMENT HOLDINGS LIMITED | 12771506 | 16/02/2021 | 24/06/2021 | Gold |
| ROYAL LONDON ASSET MANAGEMENT LIMITED | 02244297 | 04/04/2020 | 24/06/2021 | Silver |
| ROYAL LONDON MUTUAL INSURANCE SOCIETY,LIMITED(THE) | 00099064 | 19/03/2019 | 03/10/2024 | Silver |
| ROYAL NATIONAL CHILDREN'S SPRINGBOARD FOUNDATION | 10180187 | 13/05/2016 | 21/11/2019 | Bronze |
| SCHRODER & CO. LIMITED | 02280926 | 02/04/2009 | 05/05/2013 | Silver |
| SCHRODER INVESTMENT MANAGEMENT LIMITED | 01893220 | 14/01/2009 | 05/05/2013 | Silver |
| SCHRODER PENSION MANAGEMENT LIMITED | 05606609 | 28/06/2011 | 05/05/2013 | Bronze |
| SCHRODERS PLC | 03909886 | 01/01/2003 | 05/05/2013 | Silver |
| STANDARD LIFE ASSURANCE LIMITED | SC286833 | 29/05/2018 | 31/08/2018 | Bronze |
| STANDARD LIFE SAVINGS LIMITED | SC180203 | 29/05/2018 | 31/12/2018 | Gold |
| VIADUCT CONSULTING LIMITED | 06313039 | 16/07/2007 | 31/03/2008 | Dissolved |