| Company | Timeline | Status | |
| H.S. Holdings (SW) Limited Director • Director | 24 Jan 2019←5 Years→3 Sep 2024 | Dissolved | |
| Sleeman & Hawken Power Systems Limited Director • Director | 5 May 2017←8 Years→Current | Active | |
| Mason Developments Limited Director • Director | 18 Feb 2011←14 Years→Current | Active | |
| K Mason Holdings Limited Director • Company Director | 26 Jul 2004←21 Years→Current | Active | |
| H.S. Hire And Sales Limited Secretary • Unreported | 31 Mar 1991←34 Years→Current | Active | |
