| Company | Timeline | Status | |
| Willis Engine Repair Centre (UK) Limited Director • Chief Executive Officer | 24 Jun 2025←6 Months→Current | Active | |
| Willis Aeronautical Services (UK) Limited Director • Unreported | 8 May 2025←8 Months→13 Jan 2026 | Dissolved | |
| Willis Mitsui & Co Asset Management Limited Director • Chief Executive Officer | 27 Sep 2024←1 Year 3 Months→Current | Active | |
| Willis Sustainable Fuels (UK) Limited Director • Director | 15 Aug 2022←3 Years→Current | Active | |
| Willis Aviation Services Limited Director • Director | 25 Mar 2022←3 Years→Current | Active | |
