| Company | Timeline | Status | |
| Norbrook Laboratories (G.B.) Limited Director • Company Director | 20 Apr 2016←7 Years→30 Oct 2023 | Active | |
| Norbrook Holdings Limited Director • None | 13 Mar 2015←10 Years→Current | Active | |
| Norbrook Laboratories Limited Director • None | 13 Mar 2015←10 Years→Current | Active | |
| UK Healthco Iom Limited Director • Company Director | 4 Jul 2012←2 Years 7 Months→6 Feb 2015 | Converted/Closed | |
| John Sisk & Son (Holdings) Limited Director • Company Director | 24 Feb 2011←3 Years→3 Mar 2014 | Active | |
| Sisk Consolidated Investments Limited Director • Ceo | 31 Aug 2008←4 Years→16 Aug 2013 | Active | |
| John Sisk & Son Limited Director • Director | 12 May 2008←5 Years→25 Jun 2013 | Active | |
| Uniphar Medtech Holdings UK Limited Director • Director | 10 Aug 2006←8 Years→30 Jan 2015 | Active | |
