| Company | Timeline | Status | |
| Lawson Environmental Limited Secretary • Unreported | 25 Sep 2006←3 Years→2 Nov 2009 | Active | |
| Lawson Group Limited Secretary • Company Secretary | 18 Jan 2002←7 Years→2 Nov 2009 | Active | |
| Lawson Demolition Limited Secretary • Company Secretary | 14 Jul 1994←15 Years→2 Nov 2009 | Active | |
| Lawson Demolition Limited Director • Secretary | 15 Nov 1991←2 Years 8 Months→14 Jul 1994 | Active | |
