| Company | Timeline | Status | |
| JWPS Trustees Limited Director • Director | 9 Nov 2020←5 Years→Current | Active | |
| Jwsempp Trustees Limited Director • Director | 13 Feb 2006←19 Years→Current | Active | |
| JWPS Trustees Limited Director • Director | 13 Feb 2006←1 Year→14 Feb 2007 | Active | |
| James Walker Trustees Limited Director • Director | 9 Nov 2004←21 Years→Current | Active | |
| James Walker Group Limited Director • Non-executive Director | 15 Nov 1991←34 Years→Current | Active | |
| James Walker & Co. Limited Director • Commercial Office Director | 30 Sep 1991←6 Months→31 Mar 1992 | Active | |
