| Company | Timeline | Status | |
| Delap & Waller Mechanical & Electrical Consulting Engineers Limited Director • Unreported | 30 Mar 2016←9 Years→Current | Active | |
| Delap & Waller International Ltd Director • Unreported | 1 May 2015←10 Years→Current | Active | |
| Delap & Waller Limited Director • Unreported | 26 Jan 2015←10 Years→Current | Active | |
