| Company | Timeline | Status | |
| John Crawford & Co. (Plumbers) Limited Secretary • Unreported | 9 Jul 2002←23 Years→Current | Active | |
| John Crawford & Co (Mechanical) Limited Director • Director | 29 Jan 2002←23 Years→Current | Active | |
| Park Avenue Caravan Company Limited Director • Mechanical Engineer | 2 Mar 1999←24 Years→19 Sep 2023 | Dissolved | |
| John Crawford (Holdings) Limited Director • Estimator | 20 Mar 1998←27 Years→Current | Active | |
