| Company | Timeline | Status | |
| The Whale Watch Company Limited Director • Unreported | 18 Sep 2018←7 Years→Current | Active | |
| Mark Carwardine Adventures Limited Director • Zoologist | 4 Aug 2011←10 Years→3 Aug 2021 | Dissolved | |
Wildlife Art Company (UK) Limited Director • Photographer | 4 Aug 2011←2 Years 6 Months→11 Feb 2014 | Dissolved | |
