| Company | Timeline | Status | |
| J A Swinbank (Agricultural) Limited Director • Unreported | 4 Sep 2003←22 Years→Current | Active | |
| J A Swinbank (Haulage) Limited Director • Unreported | 4 Sep 2003←22 Years→Current | Active | |
| Darlington Storage Limited Director • Haulage Contractor | 9 Jan 2002←23 Years→Current | Active | |
