| Company | Timeline | Status | |
| Quantem Services Limited Director • Director | 19 Oct 2007←18 Years→Current | Active | |
| Quantem Consulting LLP Designated LLP Member • Unreported | 27 Jun 2006←19 Years→Current | Active | |
| Aecom Professional Services LLP Non-designated LLP Member • Unreported | 4 May 2004←1 Year 11 Months→28 Apr 2006 | Active | |
