| Company | Timeline | Status | |
| RTH Harris Property Limited Director • Director | 23 May 2019←6 Years→Current | Active | |
| RTH Harris Trading Limited Director • Unreported | 13 Dec 2018←6 Years→Current | Active | |
| R.T.H. Holdings Limited Director • Unreported | 25 Oct 2017←8 Years→Current | Active | |
| 59-63 Cowley Road Management Company Limited Director • Managing Director | 4 Nov 2014←2 Years 5 Months→10 Apr 2017 | Active | |
| Harris 2014 Limited Director • Managing Director | 5 Mar 2014←9 Years→24 Oct 2023 | Active | |
| IRH Reconstruction Limited Director • Managing Director | 9 May 2007←15 Years→6 Jul 2022 | Dissolved | |
| R.T.Harris & Son (Electrical Contractors) Limited Director • Office Manager | 1 May 2003←1 Year 6 Months→15 Nov 2004 | Active | |
| R.T.Harris & Son (Electrical Contractors) Limited Director • Office Manager | 17 Apr 2002←23 Years→Current | Active | |
| R.T.Harris & Son (Electrical Contractors) Limited Secretary • Office Manager | 17 Apr 2002←1 Year 3 Months→1 Aug 2003 | Active | |
