| Company | Timeline | Status | |
| Tremmel Guard Limited Director • Director | 25 Oct 2024←1 Year→Current | Active | |
| Tru 2 Level Ltd Director • Director | 22 Nov 2022←2 Years 11 Months→Current | Active | |
| Edel Ltd Director • Architect | 25 Mar 2015←1 Year 11 Months→14 Mar 2017 | Dissolved | |
| The Scottish Poetry Library Director • Architect | 14 Dec 1999←3 Years→22 Nov 2003 | Active | |
| Tremmel Properties Ltd Director • Architect | 4 Dec 1996←28 Years→Current | Active | |
