| Company | Timeline | Status | |
| Northumberland Estates Developments Limited Director • Peer Of The Realm | 6 Dec 2006←8 Years→1 Dec 2015 | Liquidation | |
| Northumberland Estates Limited Director • Peer Of The Realm | 23 Nov 2006←9 Years→1 Dec 2015 | Active | |
| Northumberland Estates Seghill LLP Non-designated LLP Member • Unreported | 19 Sep 2006←15 Years→22 Feb 2022 | Dissolved | |
| Northumberland Estates 2004 Limited Director • Peer Of The Realm | 10 Dec 2004←10 Years→1 Dec 2015 | Dissolved | |
Alnwick Nominees Company Limited Director • Peer Of The Realm | 26 Oct 2004←12 Years→21 Mar 2017 | Dissolved | |
Percy Southern Estates B Limited Director • Peer Of The Realm | 18 Oct 2004←12 Years→21 Mar 2017 | Dissolved | |
Percy Southern Estates A Limited Director • Peer Of The Realm | 8 Oct 2004←12 Years→21 Mar 2017 | Dissolved | |
| Syon Park Holdings Limited Director • Peer Of The Realm | 9 Jun 2004←13 Years→21 Dec 2017 | Dissolved | |
Northumberland Estates Enterprises B Limited Director • Peer Of The Realm | 4 Jul 2003←13 Years→21 Mar 2017 | Dissolved | |
Northumberland Estates Enterprises Limited Director • Peer Of The Realm | 4 Jul 2003←13 Years→21 Mar 2017 | Dissolved | |
