| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | THE THORNBURY RADIOSURGERY CENTRE LIMITED | 🇬🇧United Kingdom | Active | 26/06/2024 – 01/10/2018 |
| Person with significant control | SUMMIT PROPERTY GROUP LIMITED | 🇬🇧United Kingdom | Dissolved | 23/06/2024 – 28/11/2024 |
| Person with significant control | SPRINGTIME SERVICES LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – 04/04/2022 |
| Person with significant control | BRIGHTHAND LIMITED | 🇬🇧United Kingdom | Active | 10/12/2025 – present |
| Person with significant control | SUMMIT CORPORATE FINANCE LIMITED | 🇬🇧United Kingdom | Proposal to strike off | 18/06/2024 – present |
| Person with significant control | DALEBURY (NO 31) LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | WASTE TO ENERGY LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – 01/04/2022 |
| Person with significant control | SUMMIT ASSET MANAGEMENT LIMITED | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | SUMMIT INSURANCE SERVICES LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | SOUTHEAST POWER ENGINEERING LTD | 🇬🇧United Kingdom | Active | 19/06/2024 – 30/09/2017 |
| Person with significant control | SUMMIT PROPERTY INVESTMENTS LIMITED | 🇬🇧United Kingdom | Active | 25/06/2024 – present |
| Person with significant control | THE SUMMIT GROUP LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | SUMMIT PROPERTY LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | SERAPHIM CAPITAL (GENERAL PARTNER) LIMITED LIABILITY PARTNERSHIP | 🇬🇧United Kingdom | Active | 18/06/2024 – 29/10/2018 |
| Person with significant control | SUMMIT FINANCIAL GROUP LIMITED | 🇬🇧United Kingdom | Dissolved | 26/06/2024 – 22/11/2024 |
| Person with significant control | TENNYSON LIMITED | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | ROMNEY HYDROPOWER COMPANY LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – 30/09/2017 |
| Person with significant control | SUMMIT FINANCIAL SERVICES LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | MEDICAL EQUIPMENT SOLUTIONS LIMITED | 🇬🇧United Kingdom | Active | 19/06/2024 – 01/10/2018 |
| Person with significant control | QSRC LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – 01/10/2018 |
| Person with significant control | OXFORD RADIOSURGERY CENTRE LIMITED | — | Dissolved | 19/06/2024 – 01/10/2018 |
| Officer | TENNYSON LIMITED | 🇬🇧United Kingdom | Dissolved | 14/01/2026 – present |
| Officer | PAI INFORMATION SERVICES LIMITED | 🇬🇧United Kingdom | Dissolved | 13/05/2026 – present |
| Officer | PAI CERTIFICATION LIMITED | — | Active | 15/05/2026 – 05/09/2013 |
| Officer | AUTHENTICATE INFORMATION SYSTEMS LIMITED | 🇬🇧United Kingdom | Active | 15/05/2026 – 10/07/2025 |
| Officer | UK BUSINESS ANGELS ASSOCIATION | 🇬🇧United Kingdom | Active | 30/04/2026 – 29/10/2014 |
| Officer | SIRIGEN GROUP LIMITED | — | Dissolved | 05/06/2026 – 24/08/2012 |
| Officer | MEDIX UK LIMITED | 🇬🇧United Kingdom | Dissolved | 07/01/2026 – 31/01/2002 |
| Officer | BRIGHTHAND LIMITED | 🇬🇧United Kingdom | Active | 15/12/2025 – present |
10/07/2025
resigned
28/11/2024
resigned
06/04/2016
appointed