| Company | Timeline | Status | |
| ACS Registrars Ltd Director • Consultant | 31 Oct 2003←15 Years→13 Feb 2019 | Dissolved | |
| ACS Registrars Ltd Secretary • Consultant | 31 Oct 2003←15 Years→13 Feb 2019 | Dissolved | |
| International Certification Services Limited Director • Assessor | 1 Oct 1998←6 Years→31 Mar 2005 | Active | |
