| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | YOUNG & RUBICAM BRANDS US HOLDINGS | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Person with significant control | HEALTHWORLD HOLDINGS LIMITED | 🇬🇧United Kingdom | Proposal to strike off | 22/06/2024 – present |
| Person with significant control | AKQA LIMITED | 🇬🇧United Kingdom | Active | 25/06/2024 – 03/05/2022 |
| Person with significant control | WPP KENNETH SQUARE UNLIMITED | 🇬🇧United Kingdom | Dissolved | 30/04/2026 – present |
| Person with significant control | LIGHTSPEED RESEARCH LTD. | 🇬🇧United Kingdom | Active | 22/06/2024 – 15/05/2019 |
| Person with significant control | — | — | Active | 23/06/2024 – present |
| Person with significant control | — | — | Active | 26/06/2024 – present |
03/05/2022
resigned
15/05/2019
resigned
06/04/2016
appointed