| Company | Timeline | Status | |
| Haborn Products Limited Director • Director | 31 Mar 2022←3 Years→Current | Active | |
| Lincs Design Group Ltd Director • Director | 21 Dec 2020←5 Years→Current | Active | |
| Martin Osborne Holdings Limited Director • Director | 13 Oct 2020←5 Years→Current | Active | |
She4sme (Specialist Site Services) Limited Director • Director | 26 Aug 2015←1 Year 6 Months→7 Mar 2017 | Dissolved | |
| Martin Osborne Design Services Limited Director • Director | 3 Dec 2013←12 Years→Current | Active | |
| Waldeck Associates Limited Director • Consultant Engineers | 23 Oct 2000←11 Years→31 Oct 2011 | Active | |
