| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | MILLWORKS, K LANGLEY MANAGEMENT COMPANY LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | MARSHALL PAINTING CONTRACTORS LTD | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | HARLEQUIN CONSULTANCY LTD | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | PLYMSTOCK DOUBLE GLAZING SOLUTIONS LTD | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | DCM (NORTH EAST) LTD | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | CMAR LOGISTICS LTD | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | UK MAM LTD | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | WM INVESTMENT PROPERTIES LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | LIVING WORLD EDUCATION LTD | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | UK SMALL UNMANNED AIRCRAFT LIMITED | 🇬🇧United Kingdom | Dissolved | 18/06/2024 – 18/06/2021 |
| Person with significant control | COLIN MARSHALL TRAINING SERVICES LIMITED | 🇬🇧United Kingdom | Dissolved | 18/06/2024 – present |
| Person with significant control | ATOMIC DESIGN & CONSULTING LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | WICKFIELDS (LONGWICK) MANAGEMENT COMPANY LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | QE2 (WELWYN GARDEN CITY) MANAGEMENT COMPANY LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | BREXIT PROJECT MANAGEMENT LIMITED | 🇬🇧United Kingdom | Dissolved | 18/06/2024 – present |
| Person with significant control | PEAK INTERNET LTD | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | MARSHALL PIANO SERVICES LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | SUDDEN MOVEMENTS LIMITED | — | Active | 18/06/2024 – present |
| Person with significant control | COLIN MARSHALL & SON LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | WHEELBASE GARAGE LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – 05/03/2024 |
| Person with significant control | CJM INSTRUMENTS LIMITED | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | NORTH ENERGY MEDICS LIMITED | 🇬🇧United Kingdom | Dissolved | 18/06/2024 – present |
| Person with significant control | FARELINK LIMITED | — | Proposal to strike off | 18/06/2024 – 05/05/2020 |
| Person with significant control | MARSHALL PRODUCTS LIMITED | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | MARSHALL AIRWAY PRODUCTS LIMITED | — | Active | 18/06/2024 – present |
| Person with significant control | CNCSTONEWORK.COM LTD | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | COWIGA LTD | — | Dissolved | 18/06/2024 – present |
| Person with significant control | WHEELBASE CAR SALES LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – 05/03/2024 |
19/06/2024
United Kingdom → England
05/03/2024
resigned
06/04/2016
appointed