| Role | Company | Country | Status | Date Range |
|---|---|---|---|---|
| Person with significant control | NANOSENSE LIMITED | 🇬🇧United Kingdom | Active | 25/06/2024 – present |
| Person with significant control | NGAGEABLE LIMITED | 🇬🇧United Kingdom | Active | 26/06/2024 – present |
| Officer | NGAGEABLE LIMITED | 🇬🇧United Kingdom | Active | 30/12/2025 – present |
| Person with significant control | CHEMSENSE LTD | 🇬🇧United Kingdom | Active | 09/12/2025 – present |
| Officer | CHEMSENSE LTD | 🇬🇧United Kingdom | Active | 28/03/2026 – present |
| Person with significant control | BREATHSENSE LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Officer | BREATHSENSE LIMITED | 🇬🇧United Kingdom | Active | 28/03/2026 – present |
| Officer | NGAGEABLE LTD | — | Dissolved | 01/04/2026 – present |
| Person with significant control | NGAGEABLE LTD | — | Dissolved | 26/06/2024 – present |
| Officer | NANO OPTICAL VIRUS SENSOR SOLUTIONS LIMITED | 🇬🇧United Kingdom | Dissolved | 04/04/2026 – present |
| Person with significant control | NANO OPTICAL VIRUS SENSOR SOLUTIONS LIMITED | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Officer | VIRUSENSE LTD | 🇬🇧United Kingdom | Active | 04/04/2026 – present |
| Person with significant control | VIRUSENSE LTD | 🇬🇧United Kingdom | Active | 19/06/2024 – present |
| Person with significant control | NANO OPTICAL SENSOR EQUIPMENT SOLUTIONS LTD | 🇬🇧United Kingdom | Active | 09/12/2025 – present |
| Officer | FILTER SQUARED LIMITED | 🇬🇧United Kingdom | Dissolved | 17/04/2026 – present |
| Person with significant control | FILTER SQUARED LIMITED | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Person with significant control | VN-AC IP LTD | 🇬🇧United Kingdom | Dissolved | 19/06/2024 – present |
| Officer | VN-AC IP LTD | 🇬🇧United Kingdom | Dissolved | 23/04/2026 – present |
| Person with significant control | VN-KERB TURBO SOLUTIONS LIMITED | 🇬🇧United Kingdom | Proposal to strike off | 30/01/2024 – present |
| Person with significant control | VN CARBON CAPTURE (COAL) LTD | — | Dissolved | 19/06/2024 – present |
| Person with significant control | ONTAPIT CONSULTING LIMITED | 🇬🇧United Kingdom | Active | 18/06/2024 – present |
| Person with significant control | COMPARE INVESTMENTS DOT GURU LIMITED | 🇬🇧United Kingdom | Active | 09/12/2025 – present |
| Person with significant control | VIRIDIS NAVITAS CAPITAL PARTNERS LIMITED | 🇬🇧United Kingdom | Active | 09/12/2025 – present |
| Person with significant control | HYDROGEN POWER GENERATION SOLUTIONS LTD | 🇬🇧United Kingdom | Active | 09/12/2025 – present |
| Person with significant control | VIRIDIS NAVITAS IP LIMITED | 🇬🇧United Kingdom | Active | 09/12/2025 – present |
| Person with significant control | CABIN AIR SENSOR SOLUTIONS LIMITED | 🇬🇧United Kingdom | Active | 13/02/2024 – present |
| Person with significant control | VN CARBON CAPTURE (GAS) LTD | — | Dissolved | 22/06/2024 – present |
| Officer | VN-AD LTD | 🇬🇧United Kingdom | Dissolved | 07/05/2026 – 19/02/2015 |
| Officer | VN ANAEROBIC DIGESTION LIMITED | 🇬🇧United Kingdom | Dissolved | 10/05/2026 – present |
| Officer | CABIN AIR SENSOR SOLUTIONS LIMITED | 🇬🇧United Kingdom | Active | 03/02/2026 – present |
| Officer | VN CARBON CAPTURE (COAL) LTD | — | Dissolved | 16/05/2026 – present |
05/01/2024
appointed
09/01/2023
appointed
06/04/2016
appointed