| Company | Timeline | Status | |
| L. G. Prout & Sons Limited Director • Director | 14 Oct 2020←5 Years→Current | Active | |
| Gemmell & Prout Marine Limited Director • Director | 19 Sep 1995←30 Years→Current | Active | |
| L. G. Prout & Sons Limited Director • Director | 8 Aug 1991←25 Years→4 Jun 2017 | Active | |
