| Company | Timeline | Status | |
| Energy World (Wales) Limited Director • Unreported | 22 Nov 1995←30 Years→Current | Active | |
Peter O'Neill & Sons Limited Director • Heating Engineer | 15 Oct 1991←26 Years→12 Dec 2017 | Dissolved | |
| Peter O'Neill (Services) Limited Secretary • Unreported | 11 May 1991←34 Years→Current | Active | |
| Peter O'Neill (Services) Limited Director • Unreported | 1 Jan 1970←55 Years→Current | Active | |
