| Company | Timeline | Status | |
| Gray Green Bio Solutions Limited Director • Managing Director | 20 Jun 2017←8 Years→Current | Active | |
| Gray Green Bio Solutions Limited Director • Managing Director | 20 Jun 2017←8 Years→18 Sep 2025 | Active | |
| Gray's Waste Services Limited Director • Managing Director | 31 Oct 1992←33 Years→Current | Active | |
| Gray Bros. (Bermondsey) Limited Director • Managing Director | 1 Apr 1992←33 Years→Current | Active | |
| Gray Bros. (Bermondsey) Limited Director • Managing Director | 1 Apr 1992←33 Years→19 Sep 2025 | Active | |
| Lodgeland Limited Director • Entrepreneur | 31 Jul 1991←34 Years→Current | Active | |
| Regency Waste Disposal Limited Director • Entrepreneur | 27 Dec 1990←34 Years→Current | Active | |
