| Company | Timeline | Status | |
| Louth Navigation Trust Limited Director • Retired | 27 Feb 2007←18 Years→Current | Active | |
| The Sleaford Navigation Trust Director • Retired | 1 Dec 1998←26 Years→Current | Active | |
| The Sleaford Navigation Trust Director • Retired | 1 Dec 1998←26 Years→17 Oct 2025 | Active | |
