| Company | Timeline | Status | |
| Grindco 571 Limited Director • Director  | 13 Apr 2011←14 Years→Current  | Active  | |
| Don-Bur Service Limited Director • Marketing Director  | 10 May 2000←25 Years→Current  | Active  | |
| Don-Bur (Holdings) Limited Director • Unreported  | 6 Feb 1997←28 Years→Current  | Active  | |
| Don-Bur (Bodies And Trailers) Limited Director • Unreported  | 6 Feb 1997←28 Years→Current  | Active  | |
