| Company | Timeline | Status | |
| Harley Piatt Practice Ltd Director • Psychotherapist | 30 Jun 2025←5 Months→Current | Active | |
| Abraham Accords (UK) Director • Investor | 20 Jan 2023←2 Years 10 Months→Current | Active | |
| Piatt Consultancy Limited Director • Consultant | 20 Feb 2019←4 Years→6 Jun 2023 | Dissolved | |
