| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | BK HOLDINGS LIMITED | 🇬🇧Regno Unito | Dissolved | 12/06/2026 – 31/12/2019 |
| Officer | GLE UK TOPCO LIMITED | 🇬🇧Regno Unito | Dissolved | 26/04/2026 – 31/12/2019 |
| Officer | GLE MIDCO 2 LIMITED | 🇬🇧Regno Unito | Dissolved | 26/04/2026 – 31/12/2019 |
| Officer | GLE MIDCO LIMITED | 🇬🇧Regno Unito | Dissolved | 26/04/2026 – 31/12/2019 |
| Officer | THE TEST FACTORY LIMITED | 🇬🇧Regno Unito | Dissolved | 05/06/2026 – 31/12/2019 |
| Officer | ASSESSMENTS MIDCO LIMITED | — | Dissolved | 20/05/2026 – 31/12/2019 |
| Officer | ASSESSMENTS MIDCO 2 LIMITED | — | Dissolved | 20/05/2026 – 31/12/2019 |
| Officer | ASSESSMENTS BIDCO LIMITED | — | Dissolved | 20/05/2026 – 31/12/2019 |
| Officer | CRYSTAL EBT LIMITED | — | Dissolved | 31/05/2026 – present |
| Officer | CRYSTAL UK TOPCO LIMITED | — | Dissolved | 14/06/2026 – 10/03/2012 |
| Officer | CRYSTAL ACQUISITION LIMITED | — | Dissolved | 14/06/2026 – 10/03/2012 |
| Officer | SPIRE UK TOPCO LIMITED | — | Dissolved | 13/06/2026 – present |
| Officer | SPIRE ACQUISITION LIMITED | — | Dissolved | 13/06/2026 – present |
| Officer | CRYSTAL UK MIDCO LIMITED | — | Dissolved | 14/06/2026 – 10/03/2012 |
| Officer | SPIRE UK MIDCO LIMITED | — | Dissolved | 13/06/2026 – present |
31/12/2019
resigned
22/12/2016
appointed
01/08/2009
appointed