| Company | Timeline | Status | |
| Red Terra Firma Ltd Director • Director  | 17 Mar 2025←7 Months→Current  | Active  | |
Authorability Limited Director • Technical Author  | 29 Apr 2013←2 Years 3 Months→11 Aug 2015  | Dissolved  | |
Tyfh Publishing Limited Director • Author/publisher  | 8 Jul 2008←5 Years→1 Feb 2014  | Dissolved  | |
Tyfh Publishing Limited Secretary • Author/publisher  | 8 Jul 2008←5 Years→1 Feb 2014  | Dissolved  | |
