| Company | Timeline | Status | |
| Royston Instruments Ltd Director • Director | 23 Aug 2024←1 Year 3 Months→Current | Active | |
| Particle Works Limited Director • Director | 12 Sep 2022←10 Months→14 Jul 2023 | Active | |
| The Dolomite Centre Limited Director • Company Director | 19 Mar 2013←10 Years→14 Jul 2023 | Active | |
| Labglass Ltd Director • Company Director | 1 Jan 2013←7 Years→31 Dec 2019 | Dissolved | |
| Glass Solutions Ltd Director • Company Director | 1 Jan 2013←7 Years→31 Dec 2019 | Active | |
| Unchained Labs Royston Ltd Director • Company Director | 25 Jan 2011←12 Years→14 Jul 2023 | Active | |
| Syrris Limited Director • None | 27 Nov 2009←10 Years→31 Dec 2019 | Active | |
