| Company | Timeline | Status | |
| James Cowper Kreston Audit LLP Designated LLP Member • Unreported | 19 May 2022←3 Years→Current | Active | |
| JC Payroll Services Limited Director • Accountant | 1 May 2017←8 Years→Current | Active | |
| JC XP Ltd Director • Partner | 1 May 2017←4 Years→30 Jun 2021 | Dissolved | |
| James Cowper Services Limited Director • Accountant | 1 May 2017←4 Years→30 Jun 2021 | Active | |
| James Cowper Trustees Limited Director • Accountant | 1 May 2017←4 Years→30 Jun 2021 | Active | |
| Kreston James Cowper Limited Director • Director | 1 May 2017←4 Years→1 Jun 2021 | Dissolved | |
| James Cowper LLP Designated LLP Member • Unreported | 1 May 2014←11 Years→Current | Active | |
