| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| CRL BUSINESS CONSULTING LTD | 12453230 | 10/02/2020 | Silver |
| Oclan Uk Group Ltd | 04492209 | 30/04/2004 | Dissolved |
| ROWHAM (EOT) LIMITED | 14720380 | 03/04/2023 | Bronze |
| THE SIR JOHN BRUNNER FOUNDATION | 11227336 | 01/04/2020 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| ADAM INVESTMENT COMPANY LIMITED | SC064585 | 04/12/2017 | 28/06/2019 | Dissolved |
| CALGON EUROPE LIMITED | 00224165 | 30/06/2006 | 02/08/2006 | Dissolved |
| CALGON EUROPE LIMITED | 00224165 | 03/06/2004 | 28/06/2019 | Dissolved |
| CHAMPIONX EGYPT HOLDINGS LTD. | 00708136 | 30/06/2006 | 02/08/2006 | Amber |
| CHAMPIONX EGYPT HOLDINGS LTD. | 00708136 | 30/04/2004 | 28/06/2019 | Amber |
| CHAMPIONX EGYPT LTD. | 02918798 | 30/09/2002 | 30/04/2004 | One Red Flag |
| CHAMPIONX EGYPT LTD. | 02918798 | 30/04/2004 | 28/06/2019 | One Red Flag |
| ECOLAB (U.K.) HOLDINGS LIMITED | 04524464 | 20/06/2012 | 28/06/2019 | Gold |
| ECOLAB LIMITED | 00649192 | 20/06/2012 | 28/06/2019 | Silver |
| ECOLAB MANUFACTURING UK LIMITED | 03555308 | 30/06/2006 | 02/08/2006 | Gold |
| ECOLAB MANUFACTURING UK LIMITED | 03555308 | 30/04/2004 | 28/06/2019 | Gold |
| ENVIROFLO ENGINEERING LIMITED | 01463262 | 30/06/2006 | 02/08/2006 | Dissolved |
| ENVIROFLO ENGINEERING LIMITED | 01463262 | 30/04/2004 | 28/06/2019 | Dissolved |
| HOUSEMAN LIMITED | 00166010 | 10/03/2003 | 30/04/2004 | Silver |
| HOUSEMAN LIMITED | 00166010 | 30/04/2004 | 28/06/2019 | Silver |
| HYDROSAN LIMITED | 01340300 | 04/09/2002 | 30/04/2004 | Dissolved |
| HYDROSAN LIMITED | 01340300 | 30/04/2004 | 28/06/2019 | Dissolved |
| LHS (UK) LIMITED | 02469440 | 20/06/2012 | 28/06/2019 | N/A |
| LONDON & GENERAL PACKAGING LTD | 05990129 | 05/01/2018 | 28/06/2019 | Dissolved |
| MICROTEK MEDICAL EUROPE LIMITED | 02671655 | 20/06/2012 | 28/06/2019 | Dissolved |
| MIDLAND RESEARCH LABORATORIES UK LIMITED | 01821657 | 13/06/2012 | 28/06/2019 | Dissolved |
| NALCO ACQUISITION ONE | 04943458 | 30/06/2006 | 02/08/2006 | Gold |
| NALCO ACQUISITION ONE | 04943458 | 30/04/2004 | 28/06/2019 | Gold |
| NALCO ACQUISITION TWO LIMITED | 04942336 | 30/06/2006 | 02/08/2006 | Dissolved |
| NALCO ACQUISITION TWO LIMITED | 04942336 | 30/04/2004 | 28/06/2019 | Dissolved |
| NALCO HOLDINGS UK LIMITED | 00900663 | 30/06/2006 | 02/08/2006 | Dissolved |
| NALCO HOLDINGS UK LIMITED | 00900663 | 30/04/2004 | 28/06/2019 | Dissolved |
| NALCO INVESTMENTS UK LIMITED | 02566539 | 13/10/1997 | 30/04/2004 | Amber |
| NALCO INVESTMENTS UK LIMITED | 02566539 | 30/04/2004 | 28/06/2019 | Amber |
| NALCO LIMITED | 00615548 | 30/06/2006 | 02/08/2006 | Silver |
| NALCO LIMITED | 00615548 | 27/09/2013 | 28/06/2019 | Silver |
| NALCO NORTH AFRICA LIMITED | 01616530 | 30/06/2006 | 02/08/2006 | Dissolved |
| NALCO NORTH AFRICA LIMITED | 01616530 | 30/04/2004 | 28/06/2019 | Dissolved |
| NALFLOC LIMITED | 00902744 | 30/06/2006 | 02/08/2006 | Dissolved |
| NALFLOC LIMITED | 00902744 | 30/04/2004 | 28/06/2019 | Dissolved |
| NMUK LIMITED | 08026463 | 14/05/2012 | 19/08/2013 | Dissolved |
| Oclan Uk Group Ltd | 04492209 | 30/10/2002 | 30/04/2004 | Dissolved |
| R P ADAM LIMITED | SC148256 | 04/12/2017 | 28/06/2019 | Dissolved |
| SHIELD HOLDINGS LIMITED | 03116859 | 20/06/2012 | 28/06/2019 | Insolvent |
| SHIELD MEDICARE LIMITED | 02366120 | 20/06/2012 | 28/06/2019 | Insolvent |
| SHIELD SALVAGE ASSOCIATES LIMITED | 05085943 | 20/06/2012 | 28/06/2019 | Dissolved |