| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| AFFYMAX N.V. | FC018840 | 08/12/1998 | Dissolved |
| AFFYMAX TECHNOLOGIES N.V. | FC018586 | 08/12/1998 | Dissolved |
| ALLEN & HANBURYS LIMITED | 00040209 | 10/02/1999 | Not Trading |
| BEECHAM GROUP P L C | 00227531 | 29/10/2004 | Gold |
| DOMANTIS LIMITED | 03907643 | 05/01/2007 | Gold |
| EDINBURGH PHARMACEUTICAL INDUSTRIES LIMITED | SC005534 | 31/01/2001 | Gold |
| G 1 Investments Ltd | 04363346 | 30/01/2002 | Dissolved |
| GLAXO GROUP LIMITED | 00305979 | 06/06/2001 | Bronze |
| GLAXO INVESTMENTS (UK) LIMITED | FC018209 | 22/01/1999 | Dissolved |
| GLAXO OPERATIONS UK LIMITED | 00711851 | 18/12/1998 | Silver |
| GLAXO WELLCOME HOLDINGS LIMITED | 03802126 | 20/07/1999 | Dissolved |
| GLAXO WELLCOME INTERNATIONAL B.V. | FC023982 | 09/07/2002 | Amber |
| GLAXO WELLCOME INVESTMENTS B.V. | FC023981 | 09/07/2002 | Bronze |
| GLAXO WELLCOME UK LIMITED | 00480080 | 15/02/1999 | Amber |
| GLAXOSMITHKLINE (NETHERLANDS) B.V. | FC027445 | 30/03/2007 | Dissolved |
| GLAXOSMITHKLINE CAPITAL PLC | 02258699 | 18/01/2002 | Silver |
| GLAXOSMITHKLINE FINANCE PLC | 00242686 | 18/01/2002 | Bronze |
| GLAXOSMITHKLINE HOLDINGS (ONE) LIMITED | 04230101 | 11/06/2001 | Amber |
| GLAXOSMITHKLINE LIMITED | 12215835 | 19/09/2019 | Not Trading |
| GLAXOSMITHKLINE MERCURY LIMITED | 07004253 | 28/08/2009 | Silver |
| GLAXOSMITHKLINE SERVICES UNLIMITED | 01047315 | 17/04/2001 | Bronze |
| GSK PLC | 03888792 | 29/07/2004 | Silver |
| Glaxo Venture Ltd | 03013109 | 16/12/2003 | Dissolved |
| Glaxo Wellcome Healthcare Ltd | 00322828 | 10/02/1999 | Dissolved |
| MONTROSE FINE CHEMICAL COMPANY LTD. | SC190635 | 11/02/1999 | Insolvent |
| Mfcc Holdings Ltd. | SC190637 | 11/02/1999 | Dissolved |
| Optimal Healthcare Solutions Ltd | 02996205 | 10/02/1999 | Dissolved |
| SETFIRST (NO. 2) LIMITED | FC025752 | 04/02/2005 | Dissolved |
| SMITHKLINE BEECHAM LIMITED | 02337959 | 29/03/2001 | Silver |
| Smithkline Beecham Corporate Capital Ltd | 03602865 | 04/08/2004 | Dissolved |
| WELLCOME FOUNDATION LIMITED(THE) | 00194814 | 10/10/2001 | Bronze |
| WELLCOME LIMITED | 01955498 | 22/12/1998 | Gold |
| WELLCOME UK LIMITED | SC026446 | 10/02/1999 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| GLAXO LABORATORIES LIMITED | 00239893 | 10/02/1999 | 08/12/2020 | Dissolved |
| GLAXOSMITHKLINE EXPORT LIMITED | 02433585 | 19/11/1998 | 31/07/2018 | Gold |
| HALEON PLC | 13691224 | 20/10/2021 | 23/05/2022 | Silver |
| HALEON UK HOLDINGS LIMITED | 08998608 | 15/04/2014 | 02/03/2015 | Gold |
| LEO OSPREY LIMITED | 09000270 | 16/04/2014 | 26/08/2014 | Dissolved |
| STAFFORD-MILLER LIMITED | 00318499 | 29/05/2001 | 10/12/2020 | Dissolved |
| VIIV HEALTHCARE LIMITED | 06876960 | 14/04/2009 | 30/10/2009 | Silver |
| VIIV HEALTHCARE OVERSEAS LIMITED | 07027385 | 23/09/2009 | 30/10/2009 | Silver |
| VIIV HEALTHCARE TRADING SERVICES UK LIMITED | 06982415 | 05/08/2009 | 30/10/2009 | Bronze |
| VIIV HEALTHCARE TRADING SERVICES UK LIMITED | 06982415 | 05/08/2009 | 30/10/2009 | Bronze |
| VIIV HEALTHCARE UK LIMITED | 06990358 | 13/08/2009 | 30/10/2009 | Bronze |
| VIIV HEALTHCARE UK LIMITED | 06990358 | 13/08/2009 | 30/10/2009 | Bronze |