| Company | Timeline | Status | |
| Geotechnical Consulting Group LLP Non-designated LLP Member • Unreported | 11 Dec 2015←4 Years→31 Mar 2020 | Active | |
| GCG (Ip) Limited Director • None | 29 Jun 2010←5 Years→11 Dec 2015 | Active | |
| GCG Computing Limited Director • None | 29 Jun 2010←5 Years→11 Dec 2015 | Active | |
| Geotechnical Consulting Group LLP Designated LLP Member • Unreported | 28 Jun 2010←5 Years→11 Dec 2015 | Active | |
GCG (1983) Limited Director • Engineer | 17 Dec 1991←23 Years→19 May 2015 | Dissolved | |
