| Company | Timeline | Status | |
| Ben Duncan Research Limited Director • Director | 18 Mar 2024←1 Year 7 Months→Current | Active | |
| Stairway Audio Limited Director • Director | 17 Feb 2015←10 Years→Current | Active | |
| Ben Duncan Limited Director • Director | 24 Oct 2013←10 Years→19 Dec 2023 | Dissolved | |
