| Company | Timeline | Status | |
| City And Guilds Art School Property Trust Director • Unreported | 25 Jun 2025←4 Months→Current | Active | |
| Donald Insall Associates (Trustees) Ltd Director • Unreported | 1 Jan 2024←1 Year 10 Months→Current | Active | |
| Donald Insall Associates Limited Director • Unreported | 1 Jul 2014←11 Years→Current | Active | |
