| Company | Timeline | Status | |
| Diamond Construction & Engineering Recruitment Ltd Director • Managing Director | 2 Oct 2024←1 Year 2 Months→Current | Active | |
| Danny Sullivan Group Academy Limited Director • Managing Director | 24 Jan 2022←3 Years→Current | Active | |
| CH Green Ventures Limited Director • Managing Director | 18 Jan 2021←4 Years→Current | Active | |
| CH Parachute Ventures Limited Director • Managing Director | 23 Dec 2020←4 Years→Current | Active | |
| Danny Sullivan Security Services Limited Director • Managing Director | 10 May 2019←4 Years→31 Oct 2023 | Dissolved | |
| Gleesk Property Co. Ltd Director • Managing Director | 28 Jun 2017←8 Years→Current | Active | |
| Danny Sullivan Group Limited Director • Managing Director | 28 Sep 2011←14 Years→Current | Active | |
| Danny Sullivan & Sons Ltd Director • Managing Director | 28 Sep 2011←14 Years→Current | Active | |
