| Company | Timeline | Status | |
| Tulketh Property Limited Director • Director | 6 Mar 2018←7 Years→17 Nov 2025 | Active | |
| The James Mercer Group Limited Director • Accountant | 15 May 2000←25 Years→Current | Active | |
| Larchview Services Limited Director • Accountant | 15 May 2000←25 Years→17 Nov 2025 | Active | |
James Mercer (Preston) Limited Secretary • Unreported | 5 Oct 1999←1 Year 8 Months→22 Jun 2001 | Active | |
