| Company | Timeline | Status | |
Oliver Immobiliare Ltd Director • Engineer | 4 Jul 2003←11 Years→10 Feb 2015 | Dissolved | |
| Oliver Twinsafe Valves Limited Director • Unreported | 9 Jun 2000←25 Years→Current | Active | |
| Oliver Valvetek Limited Director • Unreported | 14 Jun 1994←31 Years→Current | Active | |
| Oliver Valves Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
