| Company | Timeline | Status | |
| John Collier Ltd Director • Marine Consultant | 6 Feb 2025←10 Months→Current | Active | |
| Dunstanburgh Limited Director • Director And Company Secretary | 27 Dec 2023←1 Year 11 Months→Current | Active | |
| Classic Regattas Limited Director • Director | 24 Oct 2022←3 Years→Current | Active | |
| Scottish Yachting Archives Ltd Director • Director | 14 Dec 2020←4 Years→Current | Active | |
| G.L. Watson Holdings Ltd Director • Director | 1 Dec 2020←5 Years→Current | Active | |
| G.L. Watson & Company Limited Director • Marine Consultant | 30 Apr 2001←24 Years→Current | Active | |
| Yachtworks Ltd Director • Company Director | 7 Dec 2000←25 Years→Current | Active | |
Fife Restorations Limited Director • Consultant | 17 Feb 1999←1 Year 8 Months→1 Nov 2000 | Dissolved | |
Fife Yachts Limited Director • Consultant | 17 Feb 1999←1 Year 8 Months→1 Nov 2000 | Dissolved | |
Fairlie Yachts Limited Director • Marine Consultant | 22 Nov 1995←4 Years→1 Nov 2000 | Dissolved | |
