| Name | Company Number | Date Appointed | Rating |
|---|---|---|---|
| 3RD STREET GROUP LTD | 09940780 | 31/12/2021 | Dissolved |
| DEW EVENTS LIMITED | 05516194 | 01/01/2021 | Dissolved |
| FASTENER FAIRS LIMITED | 04360203 | 01/01/2021 | Dissolved |
| GAMER EVENTS LIMITED | 05957215 | 01/01/2021 | Dissolved |
| GAMER NETWORK LIMITED | 03882481 | 01/01/2021 | Bronze |
| IMBIBE MEDIA LIMITED | 08462391 | 01/01/2021 | Dissolved |
| LEGEND EXHIBITIONS LIMITED | 05442666 | 01/01/2021 | Dissolved |
| MACK-BROOKS (FRANCE) LIMITED | 01288401 | 01/06/2020 | Dissolved |
| MACK-BROOKS EXHIBITIONS LIMITED | 00967560 | 01/06/2020 | Silver |
| MACK-BROOKS PUBLISHING LIMITED | 01164336 | 01/01/2021 | Dissolved |
| MCM CENTRAL LIMITED | 09770864 | 01/01/2021 | Dissolved |
| MCM EXPO LTD | 08421024 | 01/01/2021 | Dissolved |
| OFFSHORE EUROPE (MANAGEMENT) LIMITED | 02318214 | 01/01/2021 | Gold |
| RE (SOE) LIMITED | 02330299 | 01/01/2021 | Silver |
| REED EVENTS LIMITED | 05893942 | 01/01/2021 | Gold |
| REED EXHIBITIONS LIMITED | 00678540 | 01/01/2021 | Silver |
| Name | Company Number | Date Appointed | Date Resigned | Rating |
|---|---|---|---|---|
| GAMER NETWORK LIMITED | 03882481 | 01/01/2021 | 25/01/2024 | Bronze |
| MACK-BROOKS EXHIBITIONS LIMITED | 00967560 | 01/06/2020 | 25/01/2024 | Silver |
| OFFSHORE EUROPE (MANAGEMENT) LIMITED | 02318214 | 01/01/2021 | 25/01/2024 | Gold |
| RE (SOE) LIMITED | 02330299 | 01/01/2021 | 25/01/2024 | Silver |
| REED EVENTS LIMITED | 05893942 | 01/01/2021 | 25/01/2024 | Gold |
| REED EXHIBITIONS LIMITED | 00678540 | 01/01/2021 | 25/01/2024 | Silver |