- TRELEAVEN DEVELOPMENTS LIMITED- 06021963 - Incorporated on 7 December 2006 
- TRELEAVEN CONSULTANTS LTD- 10390653 - Incorporated on 22 September 2016 
- ROBERT TRELEAVEN LTDDisolved- 11233979 - Dissolved on 20 March 2024 
- ALEX-JONES ASSOCIATES LTD- 09519920 - Incorporated on 31 March 2015 
- ALEX JONES CREATIVE LIMITEDActive - Proposal to Strike off- 10204506 - Incorporated on 27 May 2016 
- ALEX JONES ARBORICULTURE LIMITEDDisolved- 10545903 - Dissolved on 13 December 2022 
- ALEX JONES DENTISTRY LIMITEDDisolved- 06537492 - Dissolved on 3 December 2024 
- ALEX JONES ILLUSTRATION LIMITEDDisolved- 10897180 - Dissolved on 17 October 2023 
- ALEX JONES ARCHITECTURAL LIMITEDActive - Proposal to Strike off- 06045947 - Incorporated on 9 January 2007 
- ALEX JONES RENOVATIONS LIMITED- 11966081 - Incorporated on 26 April 2019 
- ALEX JONES CHARLESWORTH LTD- 10823125 - Incorporated on 16 June 2017 
- ALEX JONES ELECTRICAL LTD- 16595045 - Incorporated on 21 July 2025 
- CURTIS & TRELEAVEN LTD- 09184589 - Incorporated on 21 August 2014 
- TRELEAVEN FINANCIAL SERVICES LIMITED- 11376357 - Incorporated on 22 May 2018 
- ALEX JAMES INDEPENDENT FINANCIAL ADVISERS LTD- 08101051 - Incorporated on 12 June 2012 
- ALEXANDRA JONES LIMITEDActive - Proposal to Strike off- 10991547 - Incorporated on 2 October 2017 
- ALEXANDER JONES LIMITEDActive - Proposal to Strike off- 11227434 - Incorporated on 27 February 2018 
- ALEX JONES ESTATE AGENTS LTD- 13437426 - Incorporated on 3 June 2021 
- ALEXANDERCARROLL JONES LIMITEDDisolved- 14096186 - Dissolved on 17 October 2023 
- ALEX JONES BUSINESS CONSULTANCY LTD- 16123000 - Incorporated on 9 December 2024