| Company | Timeline | Status | |
| Roland Hill (Steelwork) Limited Secretary • Unreported | 21 Sep 1991←7 Years→12 Mar 1999 | Active | |
| Roland Hill (Steelwork) Limited Director • Company Secretary | 21 Sep 1991←16 Years→22 Jul 2008 | Active | |
| Roland Hill (Parsonby) Limited Director • Company Director | 21 Sep 1991←18 Years→30 Sep 2009 | Active | |
| Roland Hill (Parsonby) Limited Secretary • Unreported | 21 Sep 1991←7 Years→22 Mar 1999 | Active | |
