| Company | Timeline | Status | |
| Sentinel International Ltd Director • Director | 20 Apr 2018←2 Years 3 Months→31 Jul 2020 | Active | |
| Sentinel Employed Ltd Director • Recruitment Agent | 13 Apr 2015←5 Years→31 Jul 2020 | Dissolved | |
| Sentinel Technology Ltd Director • Recruitment Agent | 17 Mar 2015←5 Years→31 Jul 2020 | Active | |
| Sentinel Group Holdings Limited Director • Recruitment Agent | 11 Feb 2015←5 Years→31 Jul 2020 | Active | |
| Sentinel Technical Services LLP Designated LLP Member • Unreported | 12 Apr 2010←10 Years→31 Jul 2020 | Dissolved | |
Sentinel Engineering LLP Designated LLP Member • Unreported | 28 Sep 2007←9 Years→1 Nov 2016 | Dissolved | |
| Sentinel Core Services Limited Director • Recruitment Agent | 19 Jan 1998←22 Years→31 Jul 2020 | Active | |
