| Company | Timeline | Status | |
| City And Guilds Art School Property Trust Director • Architect | 25 Jun 2025←7 Months→Current | Active | |
| Donald Insall Associates (Trustees) Ltd Director • Unreported | 1 Jan 2024←2 Years→Current | Active | |
| Donald Insall Associates Limited Director • Unreported | 1 Jul 2014←11 Years→1 Jan 2026 | Active | |
