| Company | Timeline | Status | |
| Tulketh Property Limited Director • Director | 6 Mar 2018←7 Years→17 Nov 2025 | Active | |
| James Mercer Holdings Limited Director • Unreported | 24 Mar 2015←10 Years→Current | Liquidation | |
| The James Mercer Group Limited Director • Director | 15 May 2000←25 Years→Current | Active | |
| Larchview Services Limited Director • Director | 15 May 2000←25 Years→17 Nov 2025 | Active | |
James Mercer (Preston) Limited Director • Heating Engineer | 31 Dec 1991←24 Years→14 Jun 2016 | Active | |
