| Company | Timeline | Status | |
| Task Osborne Limited Director • Builder | 3 Jul 2014←5 Years→10 Sep 2019 | Dissolved | |
| Osborne Developments (Fireball) Limited Director • Builder | 3 Jul 2014←5 Years→10 Sep 2019 | Dissolved | |
| Osborne Developments (Woodbury) Limited Director • Builder | 28 Mar 2012←8 Years→27 Oct 2020 | Dissolved | |
| Osborne Developments (Friary) Limited Director • Builder | 28 Mar 2012←10 Years→30 Aug 2022 | Dissolved | |
| Betula Ascot Limited Director • Builder | 28 Mar 2012←3 Years→29 May 2015 | Active | |
| Stephen Osborne (Contracting) Limited Director • Builder | 15 May 2009←10 Years→3 Sep 2019 | Dissolved | |
| Stephen Osborne Homes Limited Director • Builder | 15 May 2009←16 Years→Current | Active | |
| Stephen Osborne Developments Limited Director • Builder | 14 Jan 2004←16 Years→10 Apr 2020 | Dissolved | |
| Grenville Homes Investments Limited Director • Director | 28 Jun 2001←2 Years 6 Months→31 Dec 2003 | Dissolved | |
| Grenville Homes Eastern Limited Director • Director | 26 Apr 2001←2 Years 8 Months→31 Dec 2003 | Dissolved | |
