| Company | Timeline | Status | |
| SPM Oil & Gas Scotland Limited Director • Senior Tax Manager | 5 Aug 2022←2 Years 6 Months→28 Feb 2025 | Active | |
| Caterpillar Investments Director • Senior Tax Manager | 31 Jan 2021←2 Years 8 Months→12 Oct 2023 | Dissolved | |
| Caterpillar Impact Products Limited Director • Senior Tax Manager | 31 Jan 2021←2 Years 8 Months→6 Oct 2023 | Dissolved | |
| Progress Rail Services UK Limited Director • Senior Tax Manager | 31 Jan 2021←4 Years→28 Feb 2025 | Active | |
| Electro-Motive Diesel Limited Director • Senior Tax Manager | 31 Jan 2021←4 Years→28 Feb 2025 | Active | |
| Caterpillar UK Group Limited Director • Senior Tax Manager | 31 Jan 2021←2 Years 4 Months→15 Jun 2023 | Active | |
| Caterpillar UK Engines Company Limited Director • Senior Tax Manager | 31 Jan 2021←2 Years 4 Months→15 Jun 2023 | Active | |
| Caterpillar Logistics (UK) Limited Director • Senior Tax Manager | 31 Jan 2021←4 Years→28 Feb 2025 | Active | |
| Caterpillar Overseas Limited Director • Senior Tax Manager | 31 Jan 2021←2 Years 4 Months→15 Jun 2023 | Active | |
| Caterpillar UK Employee Trust Limited Director • Senior Tax Manager | 31 Jan 2021←2 Years 4 Months→15 Jun 2023 | Active | |
