| Company | Timeline | Status | |
| Hvac Project Services Ltd Director • Chief Executive | 3 Feb 2025←9 Months→Current | Active | |
| Hvac Plant Proving Group Services Ltd Director • Director | 8 Jun 2021←1 Year 6 Months→20 Dec 2022 | Dissolved | |
| Hvac Limited Director • Consultant Engineer | 28 Jan 1994←31 Years→Current | Active | |
| Hvac Limited Secretary • Technical Writer | 28 Jan 1994←1 Year 5 Months→1 Jul 1995 | Active | |
| Hvac Limited Director • Technical Writer | 28 Jan 1994←1 Year 5 Months→1 Jul 1995 | Active | |
