| Company | Timeline | Status | |
| O'Connor Sokolowski Partners Ltd Director • Chartered Civil/structural Engineer | 27 Mar 2012←13 Years→Current | Active | |
| O'Connor Sokolowski Partnership LLP Designated LLP Member • Unreported | 16 May 2001←24 Years→Current | Active | |
| Austin Trueman Health And Safety Limited Director • Engineer | 1 Jun 1998←8 Months→3 Feb 1999 | Active | |
| Austin Trueman Projects Limited Director • Engineer | 1 Jun 1998←8 Months→3 Feb 1999 | Active | |
| Austin Trueman Specialist Surveys Limited Director • Engineer | 1 Jun 1998←8 Months→3 Feb 1999 | Active | |
| Austin Trueman Checking Services Limited Director • Engineer | 1 Jun 1998←8 Months→3 Feb 1999 | Active | |
| Austin Trueman Consulting Engineers Limited Director • Engineer | 1 Jun 1998←8 Months→3 Feb 1999 | Active | |
| Austin Trueman Holdings Limited Director • Engineer | 1 Jun 1998←8 Months→3 Feb 1999 | Liquidation | |
| Austin Trueman International Limited Director • Engineer | 1 Jun 1998←8 Months→3 Feb 1999 | Active | |
