| Company | Timeline | Status | |
| St Airtightness Ltd Director • Director | 23 Jul 2025←3 Months→Current | Active | |
| Ecotest Limited Director • Director | 24 Jun 2022←3 Years→Current | Active | |
| How Many Hops Ltd Director • Director | 20 May 2019←2 Years 2 Months→3 Aug 2021 | Dissolved | |
| Independent Airtightness Testing Scheme Ltd Director • Air Tester | 6 Jan 2015←1 Year 3 Months→5 Apr 2016 | Active | |
| Ecotest (Chorley) Limited Director • Director | 15 Oct 2007←15 Years→11 Jul 2023 | Dissolved | |
