| Company | Timeline | Status | |
| GBM Oakham Limited Director • Director | 24 May 2024←1 Year 5 Months→Current | Active | |
| Manby Investments Limited Director • Director | 18 Jan 2024←1 Year 9 Months→Current | Active | |
| GBM UK Holdings Limited Director • Director | 1 Nov 2023←1 Year 11 Months→Current | Active | |
| Gil (Louth) Investment Properties Limited Director • Director | 20 Oct 2023←2 Years→Current | Active | |
| Thornton Road (North Owersby) Management Company Limited Director • Property Developer | 24 May 2022←3 Years→Current | Active | |
| A & S Properties (Louth) Limited Director • Director | 2 Apr 2019←6 Years→Current | Active | |
| S & A Properties (Louth) LLP Designated LLP Member • Unreported | 31 Aug 2006←19 Years→Current | Active | |
| Grantham Industries Limited Director • Director | 3 May 2001←24 Years→Current | Active | |
| Grantham Bros. Limited Director • Site Manager | 2 May 2000←25 Years→Current | Active | |
