| Company | Timeline | Status | |
| Langham Family Holdings Limited Director • None | 23 Oct 2018←7 Years→Current | Active | |
| Vaculug Limited Director • Farmer | 1 Oct 2016←1 Year 10 Months→31 Jul 2018 | Active | |
| Langham Wine Limited Director • Farmer | 21 Dec 2011←13 Years→Current | Active | |
| Langham Farms Limited Director • Company Director | 8 Dec 2003←21 Years→Current | Active | |
| Portland Pilotage Limited Director • Chartered Surveyor | 20 Jan 1997←25 Years→22 Feb 2022 | Dissolved | |
| Portland Stevedoring Limited Director • Chartered Surveyor | 13 Dec 1996←25 Years→1 Mar 2022 | Dissolved | |
| Portland Harbour Services Limited Director • Chartered Surveyor | 13 Dec 1996←25 Years→22 Feb 2022 | Dissolved | |
| Langham Industries Limited Director • Chartered Surveyor | 24 May 1996←29 Years→Current | Active | |
| Portland Port Limited Director • Chartered Surveyor | 1 Apr 1996←29 Years→Current | Active | |
| Portland Harbour Authority Limited Director • Chartered Surveyor | 1 Apr 1996←29 Years→Current | Active | |
