| Company | Timeline | Status | |
| STS Ropespec Limited Director • Managing Director | 18 Apr 2016←5 Years→8 Jun 2021 | Dissolved | |
STS Racing Limited Director • Managing Director | 7 May 2015←5 Years→22 Sep 2020 | Dissolved | |
| STS General Maintenance FM Limited Director • Managing Director | 2 Sep 2013←12 Years→Current | Active | |
| STS Lightning Protection Services Limited Director • Managing Director | 2 Sep 2013←12 Years→Current | Active | |
| STS Restoration Limited Director • Managing Director | 2 Sep 2013←12 Years→Current | Active | |
| STS Conservation Limited Director • Managing Director | 30 Jul 2013←12 Years→Current | Active | |
| Stone Technical Services Group Limited Director • Managing Director | 24 Jan 2000←25 Years→Current | Active | |
