| Company | Timeline | Status | |
| Sis Construction U.K. Ltd Director • Director | 30 Mar 2024←1 Year 7 Months→Current | Active | |
| Sis Group U.K. Ltd Director • Director | 30 Mar 2024←1 Year 7 Months→Current | Active | |
| Sis Group Europe Ltd Director • Director | 30 Mar 2024←1 Year 7 Months→Current | Active | |
| Sis Digital Surveys UK Ltd Director • Director | 29 Mar 2024←1 Year 7 Months→Current | Active | |
| Transhaven Construction Services Ltd Director • Manager | 12 Aug 2019←6 Years→Current | Active | |
| Transhaven RS Ltd Director • Manager | 24 Jul 2019←6 Years→Current | Active | |
| Structural Investigation Services Limited Director • Director | 30 Jan 2019←6 Years→Current | Active | |
| Transhaven Piling Limited Director • Director | 4 Mar 2013←8 Years→1 Mar 2022 | Dissolved | |
| Transhaven Asset Division Ltd Director • Company Director | 1 Sep 1998←27 Years→Current | Active | |
