| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Officer | THE ASSOCIATION OF NOISE CONSULTANTS | 🇬🇧United Kingdom | Active | 15/12/2025 – present |
| Officer | UK OVERHEATING LTD | 🇬🇧United Kingdom | Active | 27/03/2026 – present |
| Person with significant control | HH CONSULTANCY GROUP LTD | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Officer | HH CONSULTANCY GROUP LTD | 🇬🇧United Kingdom | Active | 16/01/2026 – present |
| Officer | PENINSULAR ACOUSTICS LTD | 🇬🇧United Kingdom | Active | 12/02/2026 – present |
| Person with significant control | HOWELL ACOUSTICS LIMITED | 🇬🇧United Kingdom | Dissolved | 18/06/2024 – 22/12/2022 |
| Officer | HOWELL ACOUSTICS LIMITED | 🇬🇧United Kingdom | Dissolved | 10/12/2025 – present |
| Person with significant control | HOWELL PROPERTY LIMITED | 🇬🇧United Kingdom | Active | 20/06/2024 – present |
| Officer | HOWELL PROPERTY LIMITED | 🇬🇧United Kingdom | Active | 18/02/2026 – present |
| Person with significant control | CONSTRUCTION GOLF LIMITED | 🇬🇧United Kingdom | Active | 26/06/2024 – 01/07/2018 |
| Officer | CONSTRUCTION GOLF LIMITED | 🇬🇧United Kingdom | Active | 25/04/2026 – 01/07/2018 |
| Person with significant control | BUILDING CG LIMITED | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Person with significant control | HOWELL INVESTMENTS LIMITED | 🇬🇧United Kingdom | Active | 20/06/2024 – present |
| Officer | HOWELL INVESTMENTS LIMITED | 🇬🇧United Kingdom | Active | 18/02/2026 – present |
| Officer | BUILDING CG LIMITED | 🇬🇧United Kingdom | Active | 19/02/2026 – present |
| Officer | THECODESTORE.CO.UK LIMITED | 🇬🇧United Kingdom | Active | 30/05/2026 – 29/08/2017 |
| Officer | SPRATT & HAMER LIMITED | 🇬🇧United Kingdom | Active | 11/03/2026 – 01/01/2015 |
| Officer | SPRATT & HAMER LIMITED | 🇬🇧United Kingdom | Active | 11/03/2026 – 29/03/2018 |
03/07/2024
appointed
23/12/2022
appointed
17/03/2006
appointed