| Company | Timeline | Status | |
| Leach Construction Limited Secretary • Secretary | 26 Jan 2009←16 Years→Current | Active | |
| Leach Structural Steel Work Limited Secretary • Secretary | 26 Jan 2009←16 Years→Current | Active | |
| Leach Holdings Limited Secretary • Secretary | 26 Jan 2009←16 Years→Current | Active | |
| Leach Consulting Engineers Limited Secretary • Secretary | 26 Jan 2009←16 Years→Current | Active | |
| R.E. Leach (Engineers) Limited Secretary • Unreported | 26 Jan 2009←16 Years→Current | Active | |
