| Company | Timeline | Status | |
| Norchem Healthcare Limited Director • Pharmacist | 23 Jan 2014←11 Months→16 Jan 2015 | Active | |
| Norchem Limited Director • Pharmacist | 23 Nov 2011←3 Years→16 Jan 2015 | Active | |
| G.W. Herdman (Chemists) Limited Secretary • Pharmacist | 1 Nov 2002←15 Years→14 Sep 2018 | Active | |
| Norchem Limited Director • Pharmacist | 26 Mar 2001←4 Years→31 Oct 2005 | Active | |
| Mills Pharmacies Limited Director • Pharmacist | 2 Aug 2000←25 Years→Current | Active | |
| Marsdens Pharmacy Limited Director • Pharmacist | 31 Mar 1999←4 Years→3 Nov 2003 | Dissolved | |
| Hogg Chemists Limited Director • Pharmacist | 31 Dec 1991←3 Years→1 Sep 1995 | Active | |
| Closewalk Limited Director • Pharmacist | 31 May 1991←11 Years→23 Sep 2002 | Active | |
