| Company | Timeline | Status | |
| Clarkson Property Rentals Limited Director • Unreported | 26 Mar 2021←4 Years→Current | Active | |
| Clarkson Electrical Limited Director • Unreported | 24 Oct 2018←7 Years→Current | Active | |
Flexo Direct Limited Director • Director | 15 Oct 2015←3 Years→5 Mar 2019 | Dissolved | |
| Welton Water Sports Club Limited Director • Engineer | 2 Jun 2010←1 Year 3 Months→6 Sep 2011 | Active | |
| Clarkson Services Limited Director • Unreported | 25 Oct 2004←21 Years→Current | Active | |
