| Company | Timeline | Status | |
| De La Salle Association Club Limited Director • Unreported | 28 Apr 2022←3 Years→Current | Active | |
| Penta B Ltd Director • Unreported | 8 Jul 2003←22 Years→Current | Active | |
| Parkwood Environmental Limited Director • Civil Engineer | 1 Apr 2001←1 Year 10 Months→31 Jan 2003 | Active | |
| Parkwood Recycling Limited Director • Civil Engineer | 17 Aug 1998←4 Years→31 Jan 2003 | Dissolved | |
| Parkwood Group Limited Director • Civil Engineer | 1 Jul 1998←4 Years→31 Jan 2003 | Active | |
| Sheffield Waste Disposal Company Limited Director • Civil Engineer | 1 Jul 1998←4 Years→31 Jan 2003 | Dissolved | |
| Valencia Waste (Parkwood) Limited Director • Civil Engineer | 1 Jul 1998←4 Years→31 Jan 2003 | Active | |
| Industrial Waste Disposals (Sheffield) Limited Director • Civil Engineer | 1 Jul 1998←4 Years→31 Jan 2003 | Dissolved | |
