| Company | Timeline | Status | |
| Birdsall Decarbonisation Limited Director • Company Director | 16 Oct 2024←1 Year 2 Months→Current | Active | |
| Air Conditioning London Limited Director • Director | 20 May 2014←11 Years→Current | Active | |
| Birdsall Group Limited Director • Unreported | 12 Sep 2006←19 Years→Current | Active | |
Birdsall Building Services Group Ltd Director • Sales And Marketing Manager | 11 Aug 2006←11 Years→5 Jun 2018 | Dissolved | |
Birdsall Electrical Ltd Director • Sales And Marketing Manager | 11 Aug 2006←11 Years→5 Jun 2018 | Dissolved | |
| Birdsall Networks Limited Director • Marketing Manager | 1 Apr 2004←21 Years→Current | Active | |
