| Company | Timeline | Status | |
| 4 Maintenance Fabrication Limited Director • Unreported | 20 Nov 2013←11 Years→Current | Active | |
| 4calibration Limited Director • Unreported | 12 Mar 2013←12 Years→Current | Active | |
| 4 Maintenance.Org Ltd Director • Unreported | 14 Oct 2011←14 Years→Current | Active | |
| 4 Maintenance Engineering Ltd Director • Unreported | 17 Mar 2004←21 Years→Current | Active | |
| 4 Maintenance Engineering Ltd Secretary • Engineer | 17 Mar 2004←12 Years→1 Mar 2017 | Active | |
