| Company | Timeline | Status | |
| Ritec UK Limited Secretary • Accountant | 6 Oct 2004←10 Months→23 Aug 2005 | Dissolved | |
| Ritec International Limited Secretary • Accountant | 6 Oct 2004←10 Months→23 Aug 2005 | Active | |
| Ritec International Limited Director • Accountant | 10 Jul 2002←3 Years→23 Aug 2005 | Active | |
| Ritec UK Limited Director • Accountant | 12 Dec 2001←3 Years→23 Aug 2005 | Dissolved | |
| Flowcrete Group Limited Director • Accountant | 23 Aug 1996←6 Months→27 Feb 1997 | Active | |
| Anhydritec Limited Secretary • Accountant | 8 Dec 1995←1 Year 2 Months→27 Feb 1997 | Active | |
| Flowcrete International Ltd Director • Accountant | 7 Sep 1995←1 Year 10 Months→14 Jul 1997 | Active | |
Isocrete Project Management Limited Director • Accountant | 7 Sep 1995←1 Year 5 Months→27 Feb 1997 | Dissolved | |
| Flowcrete UK Ltd Director • Accountant | 20 Jul 1995←1 Year 7 Months→27 Feb 1997 | Active | |
| Sika Contracts Limited Director • Accountant | 26 Sep 1992←8 Months→8 Jun 1993 | Dissolved | |
