| Company | Timeline | Status | |
| Holland Enterprises Limited Director • Director | 8 Aug 2014←11 Years→Current | Active | |
| Holland Property Company Limited Director • Company Director | 9 Dec 2009←15 Years→Current | Active | |
| J.C. Holland (Northern) Limited Director • Company Director | 1 Oct 2003←22 Years→Current | Active | |
| Holland Developments (Halifax) Limited Director • Surveyor | 3 Jul 1997←28 Years→Current | Active | |
