| Company | Timeline | Status | |
| Browns Coalyard Limited Director • Boat Builder | 22 Aug 2018←7 Years→Current | Active | |
| Durham River Cruises Limited Director • Unreported | 29 Mar 2004←21 Years→Current | Active | |
| Durham River Cruises Limited Secretary • Unreported | 29 Mar 2004←21 Years→Current | Active | |
| Browns Rowing Boats Limited Director • Unreported | 6 Mar 2000←25 Years→Current | Active | |
| Durham River Trips Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
| Brown's Boathouse Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
