| Company | Timeline | Status | |
| Cad Wholesalers Limited Director • Company Director | 1 Jul 2019←13 Days→14 Jul 2019 | Dissolved | |
| St Georges School (Harpenden) Limited Director • Structural Engineer | 15 Jan 2014←11 Years→Current | Active | |
| St George's School, Harpenden Academy Trust Director • Structural Engineer | 1 Jun 2012←7 Years→13 Jan 2020 | Active | |
| Adrian Clarke Associates Ltd Director • Structural Engineer | 9 Oct 2008←17 Years→Current | Active | |
| Attractive Management Limited Director • Manager Business Development | 30 Apr 1995←30 Years→Current | Active | |
| Professional Structural Services Limited Director • Project Manager | 9 Aug 1991←34 Years→Current | Active | |
| Larkwalk Properties Limited Director • Project Manager | 23 May 1991←34 Years→Current | Active | |
| Attractive Management Limited Director • Structural Engineer | 1 Apr 1991←4 Years→30 Apr 1995 | Active | |
