| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| BROADWAY CLASSICS LIMITED | 04199945 | 13/04/2001 | Dissolved |
| Crystal Spirits International Limited | 02686974 | 12/02/1992 | Dissolved |
| Crystal Spirits International Limited | 02686974 | 12/02/1992 | Dissolved |
| Organico Fertilizers Ltd | 04064101 | 04/09/2000 | Dissolved |
| Poseidon Digital Distributors Ltd | 04318617 | 07/11/2001 | Dissolved |
| Poseidon Finance Ltd | 02830249 | 05/03/1997 | Dissolved |
| Poseidon Pictures Ltd | 02747518 | 15/09/1992 | Dissolved |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| Centaur Productions Ltd | 03051002 | 28/04/1995 | 11/05/1995 | Dissolved |
| HELLENIC TELEVISION LIMITED | 02536181 | 23/04/1995 | 15/08/1995 | Bronze |
| POSEIDON CENTRE LIMITED | 06414476 | 27/02/2009 | 07/03/2018 | Dissolved |