| Company | Timeline | Status | |
| Tritech Ground Engineering Ltd Director • Unreported | 1 Jul 2016←9 Years→Current | Active | |
| APB Construction UK Limited Director • Civil Engineer | 25 Sep 2012←12 Years→3 Jan 2025 | Dissolved | |
| Appleton Piling Limited Director • Unreported | 17 Aug 2012←13 Years→Current | Active | |
| Combined Soil Stabilisation Limited Director • Unreported | 5 Jan 2011←14 Years→Current | Active | |
| Side Grip Piling Limited Director • Unreported | 17 Sep 2009←16 Years→Current | Active | |
| Tritech Piling And Foundations Limited Director • Unreported | 7 Sep 2009←16 Years→Current | Active | |
| Spi McGrattan Piling Limited Director • Unreported | 28 Feb 2008←17 Years→Current | Active | |
| Spi Piling Ltd Director • Unreported | 3 Feb 2006←19 Years→Current | Active | |
| A E Yates Trenchless Solutions Limited Director • Civil Engineer | 3 Aug 1995←10 Years→14 Feb 2006 | Active | |
| Oaklands Management Company Limited Director • Civil Engineer | 11 Mar 1992←3 Years→6 Apr 1995 | Active | |
