- W A CARSON LIMITEDDisolved- 08885093 - Dissolved on 21 February 2023 
- J CARSON LIMITED- 08259232 - Incorporated on 18 October 2012 
- CARSON3 LIMITED- SC653683 - Incorporated on 5 February 2020 
- PIPER CARSON LTD- 13931801 - Incorporated on 22 February 2022 
- J.T.CARSON LIMITEDDisolved- 00422810 - Dissolved on 26 September 2023 
- JAMES CARSON LTD- 09391258 - Incorporated on 15 January 2015 
- CARSON LEASE LTD- 16529335 - Incorporated on 19 June 2025 
- P & J DENNISON LTD- 10561758 - Incorporated on 12 January 2017 
- HUGH O'NEILL- LP005883 - Incorporated on 25 August 1998 
- DENNISS LTDActive - Proposal to Strike off- 08989780 - Incorporated on 10 April 2014 
- BY DENNIS LLPActive - Proposal to Strike off- OC386185 - Incorporated on 26 June 2013 
- PG DENNIS LTDActive - Proposal to Strike off- 09973481 - Incorporated on 27 January 2016 
- OL DENNIS LTDActive - Proposal to Strike off- 11066376 - Incorporated on 15 November 2017 
- HX DENNIS LTDDisolved- 13676082 - Dissolved on 13 February 2024 
- XE DENNIS LTDDisolved- 13615654 - Dissolved on 11 February 2025 
- RC DENNIS LTD- 16138982 - Incorporated on 16 December 2024 
- KONSTRUCKT PROJECT SERVICES LIMITEDActive - Proposal to Strike off- 04308208 - Incorporated on 19 October 2001 
- LA DENNIS LTD- 13254851 - Incorporated on 9 March 2021 
- JP DENNIS LTDDisolved- 13514602 - Dissolved on 16 April 2024 
- JV DENNIS LTDDisolved- 13595115 - Dissolved on 13 February 2024