| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | CALASTONE LIMITED | — | Active | 07/06/2026 – 30/12/2020 |
| Officer | MIRACL LIMITED | — | Dissolved | 24/05/2026 – present |
| Officer | 2XIT LIMITED | — | Dissolved | 19/05/2026 – present |
| Officer | MOBILE ACUITY LIMITED | 🇬🇧United Kingdom | Proposal to strike off | 13/03/2026 – 06/03/2013 |
| Officer | INTRALINK LIMITED | 🇬🇧United Kingdom | Active | 12/04/2026 – 25/05/2010 |
| Officer | CAMBRIDGE POSITIONING SYSTEMS LIMITED | 🇬🇧United Kingdom | Dissolved | 10/04/2026 – 12/01/2007 |
30/12/2020
resigned
01/12/2016
appointed
01/12/1998
appointed