| Company | Timeline | Status | |
| Systems Group UK Limited Director • Company Director | 26 Sep 2024←1 Year→Current | Active | |
| Systems Steam & Process Engineering Ltd Director • Director | 6 Oct 2016←9 Years→Current | Active | |
| Systems Building Services Ltd Director • Contracts Manager | 14 Sep 1999←25 Years→3 Dec 2024 | Dissolved | |
| Systems Building Services Ltd Secretary • Contracts Manager | 14 Sep 1999←25 Years→3 Dec 2024 | Dissolved | |
| System Hydraulics (Maesteg) Limited Director • Engineer | 21 May 1993←31 Years→3 Dec 2024 | Dissolved | |
| Systems Pipework Limited Director • Engineer | 1 Dec 1991←3 Years→31 Oct 1995 | Active | |
