| Company | Timeline | Status | |
| Coastal Marks Ltd Director • Consultant | 24 Jul 2020←5 Years→Current | Active | |
| The Somerset Cider Brandy Company Limited Director • Company Director | 6 Sep 2018←7 Years→Current | Active | |
| WSH & Mark Hix Restaurants Limited Director • Director | 8 Apr 2016←7 Years→5 Nov 2023 | Dissolved | |
| Mark Hix Ltd Director • Consultant | 3 Nov 2015←10 Years→Current | Active | |
| Hix Art Limited Director • Chef | 17 Dec 2014←10 Years→Current | Active | |
| Mark's Bar (Covent Garden) Limited Director • Director | 23 Apr 2014←8 Years→1 Nov 2022 | Dissolved | |
| Restaurants Etc (Bankside) Limited Director • Chef | 3 Sep 2013←10 Years→13 Oct 2023 | Dissolved | |
| Hix Townhouse Limited Director • Director | 3 Apr 2013←9 Years→6 Sep 2022 | Dissolved | |
| Restaurants Etc (Tramshed) Limited Director • Director | 14 May 2012←11 Years→30 Jun 2023 | Dissolved | |
| Restaurants Etc (Soho) Limited Director • Director | 28 Apr 2009←14 Years→30 Jun 2023 | Dissolved | |
