| Company | Timeline | Status | |
| Scottish Fencing Limited Director • Chartered Architect | 19 Mar 2025←8 Months→Current | Active | |
| The Architects Professional Examinations Authority In Scotland Limited Director • Chartered Architect | 15 Jan 2025←10 Months→Current | Active | |
| Honeywood Consulting Limited Director • Chartered Architect | 4 Mar 2024←1 Year 9 Months→Current | Active | |
| Culture & Business Scotland Director • Architect | 10 Nov 2022←3 Years→Current | Active | |
| The Architectural Heritage Society Of Scotland Director • Architect | 26 Oct 2022←3 Years→Current | Active | |
| Built Environment Forum Scotland Director • Architect | 2 Dec 2020←5 Years→Current | Active | |
| The Architectural Heritage Society Of Scotland Director • Chartered Architect | 1 Jan 2016←5 Years→28 Oct 2021 | Active | |
| The Architectural Heritage Society Of Scotland Director • Architect | 26 Mar 2009←4 Years→2 Nov 2013 | Active | |
| Peter Drummond, Architect Ltd Director • Chartered Architect | 30 Nov 2007←18 Years→Current | Active | |
| Bluehouse Scotland Ltd Director • Architect | 31 Jan 2001←3 Years→1 Sep 2004 | Active | |
