| Company | Timeline | Status | |
| Holroyd (Huddersfield) Limited Director • Unreported | 25 Nov 1996←16 Years→31 Oct 2013 | Active | |
| William Holroyd & Sons Limited Director • Builder | 25 Jan 1992←34 Years→Current | Active | |
| William Holroyd & Sons Limited Director • Unreported | 1 Jan 1970←56 Years→Current | Active | |
