| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| ADC/BLUEPRINT (2000) LIMITED | 03236447 | 01/10/1996 | Dissolved |
| Adc / Blueprint Ltd | 03445118 | 01/02/1999 | Dissolved |
| Chemplus Ltd | 03283826 | 25/03/1997 | Dissolved |
| Gilbert Doyle Associates Ltd | 01637529 | 21/12/1991 | Dissolved |
| Gilbert Doyle International Ltd | 02670242 | 11/12/1991 | Dissolved |
| Gilbert Doyle Public Relations Limited | 02191031 | 21/10/1991 | Dissolved |
| Presspage Ltd | 02966999 | 31/12/1994 | Dissolved |
| Sgl Holdings Ltd | 02230506 | 15/09/1990 | Dissolved |
| TWOBLUE COMMUNICATIONS LIMITED | 04579866 | 01/11/2002 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| BOUTIQUE LONDON PUBLICATIONS LIMITED | 12111642 | 19/07/2019 | 30/07/2020 | Dissolved |
| S G L Defence Ltd | 02420760 | 07/09/1991 | 31/10/1991 | Dissolved |
| SOCRATES COMMUNICATIONS LIMITED | 04460808 | 13/06/2002 | 18/11/2008 | Silver |