| Company | Timeline | Status | |
| Bet Bidco Limited Director • Company Director | 13 Feb 2020←1 Year 3 Months→28 May 2021 | Active | |
| Building Compliance Testers Association Director • Company Director | 24 May 2019←5 Years→2 Jan 2025 | Active | |
| Air Tightness Testing & Measurement Association Director • Director | 16 Dec 2011←8 Years→18 Jan 2020 | Active | |
| Build Check Publications Limited Director • Company Director | 29 Apr 2010←11 Years→28 May 2021 | Active | |
| Build Check Certification Limited Director • Engineer | 27 Nov 2006←14 Years→28 May 2021 | Dissolved | |
| Build Check Limited Director • Chartered Engineer | 10 Nov 2004←16 Years→28 May 2021 | Active | |
| Appledown Clinical Research Limited Director • Technical Manager | 20 Dec 1999←25 Years→Current | Active | |
| Appledown Clinical Research Limited Secretary • Unreported | 30 Nov 1999←26 Years→Current | Active | |
