| Company | Timeline | Status | |
| Symington Elvery Estates Limited Director • Chartered Surveyor | 1 Oct 2021←4 Years→Current | Active | |
| Symington Holdings Limited Director • Chartered Surveyor | 9 Apr 2020←5 Years→Current | Active | |
| 54 Pont Street Ltd Director • Chartered Surveyor | 26 Oct 2018←7 Years→Current | Active | |
21 Charnham Street Limited Director • Chartered Surveyor | 10 Jan 2017←1 Year 3 Months→24 Apr 2018 | Dissolved | |
| Braybrooke Glebe Limited Director • Chartered Surveyor | 1 Sep 2015←10 Years→Current | Active | |
| Symington Elvery Ltd Director • Chartered Surveyor | 18 Jul 2011←14 Years→Current | Active | |
| Bishop Beamish Limited Director • Chartered Surveyor | 1 Jan 2009←2 Years 8 Months→31 Aug 2011 | Dissolved | |
