| Company | Timeline | Status | |
| Seddon RDP Limited Director • Director | 10 Oct 2025←1 Month→Current | Active | |
| Seddon Housing Partnerships Limited Director • Director | 31 Dec 2023←1 Year 11 Months→Current | Active | |
| Seddon Engineering Services Ltd Director • Director | 31 Dec 2023←1 Year 11 Months→Current | Active | |
| Seddon Group Limited Director • Director | 25 Jan 2019←6 Years→Current | Active | |
| S P Smith Electrical Contractors Ltd Director • Director | 5 Jul 2017←5 Years→25 Oct 2022 | Dissolved | |
| Seddon Construction Limited Director • Director | 24 Sep 2009←16 Years→Current | Active | |
SBSG NLR Limited Director • Development Director | 11 Sep 2009←4 Years→4 Dec 2013 | Dissolved | |
| Seddon Construction Limited Secretary • Development Director | 24 Jul 2009←2 Months→24 Sep 2009 | Active | |
| G.& J.Seddon Limited Director • Quantity Surveyor | 17 Aug 2006←19 Years→Current | Active | |
