| Company | Timeline | Status | |
Columbus Construction Limited Director • Director | 24 Jan 2012←4 Years→29 Nov 2016 | Dissolved | |
| Columbus Plumbing & Heating Services Limited Director • Director | 18 Mar 2008←7 Years→22 Mar 2015 | Active | |
| Columbus Plumbing & Heating Services Limited Secretary • Unreported | 18 Mar 2008←5 Years→18 Mar 2013 | Active | |
| Columbus Building Contractors Limited Director • Builder | 17 Oct 2003←20 Years→19 Mar 2024 | Dissolved | |
