| Company | Timeline | Status | |
| Haughton Limited Director • Director | 1 Dec 2020←4 Years→17 Oct 2025 | Active | |
| M J Osborn & Company Limited Director • Director | 20 Nov 2020←5 Years→Current | Active | |
| Osborn Estates Limited Director • Director | 20 Nov 2020←1 Year 5 Months→26 Apr 2022 | Dissolved | |
Clayborne Limited Director • Director | 2 Apr 2014←1 Year 7 Months→11 Nov 2015 | Dissolved | |
| M.J. Osborn F.R.I.C.S. Limited Director • Chartered Surveyor | 24 Jul 2006←19 Years→Current | Active | |
| Adelaide Jones & Co Limited Director • Chartered Surveyor | 3 Jul 2000←5 Years→30 Jun 2006 | Active | |
