| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | DAW INDEX LIMITED | 🇬🇧United Kingdom | Dissolved | 24/06/2024 – present |
| Person with significant control | D WILLIAMS SCAFFOLDING LTD | 🇬🇧United Kingdom | Active | 15/06/2024 – present |
| Person with significant control | BASROW LTD | 🇬🇧United Kingdom | Active | 22/06/2024 – 17/10/2022 |
| Person with significant control | DAVENPARK LTD | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Person with significant control | UMBRELLA CAPITAL LTD | 🇬🇧United Kingdom | Dissolved | 25/06/2024 – present |
| Person with significant control | XPD CAPITAL LIMITED | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Person with significant control | SILVA WILLIAMS LIMITED | — | Active | 26/06/2024 – present |
| Person with significant control | WILLIAMS CIVIL ENGINEERING LIMITED | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Person with significant control | R R WILLIAMS & SON LIMITED | — | Active | 26/06/2024 – present |
01/06/2026
United Kingdom → England
16/04/2026
England → United Kingdom
06/04/2016
appointed