| Company | Timeline | Status | |
| Ernst & Young Europe LLP Non-designated LLP Member • Unreported | 1 Jan 2025←12 Months→Current | Active | |
| Ernst & Young LLP Non-designated LLP Member • Unreported | 1 Jan 2025←12 Months→Current | Active | |
| Grand Union Railway Ltd Director • Civil Servant | 24 Jul 2018←3 Years→31 Aug 2021 | Active | |
| HS2 Ltd Director • Civil Servant | 24 Jul 2018←3 Years→31 Aug 2021 | Active | |
| High Speed Four (HS4) Limited Director • Civil Servant | 24 Jul 2018←3 Years→31 Aug 2021 | Active | |
| High Speed Five (HS5) Limited Director • Civil Servant | 24 Jul 2018←3 Years→31 Aug 2021 | Active | |
| High Speed Six (HS6) Limited Director • Civil Servant | 24 Jul 2018←3 Years→31 Aug 2021 | Active | |
| High Speed Three (HS3) Limited Director • Civil Servant | 24 Jul 2018←3 Years→31 Aug 2021 | Active | |
| High Speed Rail Limited Director • Civil Servant | 24 Jul 2018←3 Years→31 Aug 2021 | Active | |
| Crossrail International Limited Director • Civil Servant | 1 Feb 2018←4 Years→12 Jun 2022 | Active | |
