| Company | Timeline | Status | |
| Heyn Limited Director • Director | 5 Oct 2015←10 Years→Current | Active | |
| Heyn HS Limited Director • Director | 12 Feb 2014←11 Years→Current | Active | |
| Citrus Properties Limited Director • Director | 12 Feb 2014←11 Years→Current | Active | |
| Lemonberg Limited Director • Director | 25 May 2004←16 Years→20 Apr 2021 | Dissolved | |
| Heyn Engineering (Ni) Limited Director • Director | 25 May 2004←21 Years→Current | Active | |
Andrew Weir Agencies (Ni) Limited Director • Director | 25 May 2004←11 Years→17 May 2016 | Dissolved | |
Backwood Limited Director • Director | 25 May 2004←11 Years→17 May 2016 | Dissolved | |
| G. Heyn & Sons Limited Director • Director | 25 May 2004←21 Years→Current | Active | |
| Heyn Group Limited Director • Director | 25 May 2004←21 Years→Current | Active | |
| Samuel Stewart & Co. Limited Director • Director | 25 May 2004←21 Years→Current | Active | |
