- MARK ALLEN MEDICAL LIMITEDDisolved- 10872648 - Dissolved on 10 February 2023 
- MARK ALLEN GROUP LTDDisolved- 13283851 - Dissolved on 2 August 2022 
- TEACHING MR ALLEN LIMITED- 16227056 - Incorporated on 4 February 2025 
- RICHARD ALEXANDER ASSOCIATES LIMITED- 09827048 - Incorporated on 15 October 2015 
- MARK ALLEN & ASSOCIATES LTDDissolved- 05438602 - Dissolved on 18 June 2013 
- MARK ALLEN CONTRACTING LIMITEDActive - Proposal to Strike off- 08043679 - Incorporated on 24 April 2012 
- MARK ALLEN PLANT LIMITED- 06232315 - Incorporated on 30 April 2007 
- MARK ALLEN ELECTRICAL LIMITEDActive - Proposal to Strike off- 10131710 - Incorporated on 19 April 2016 
- MARK ALLEN STRATEGY LTDDisolved- 14589969 - Dissolved on 11 March 2025 
- MARK ALLEN (PLUMBING) LIMITED- 03924192 - Incorporated on 11 February 2000 
- MARK ALLEN HOLDINGS LIMITED- 02120366 - Incorporated on 7 April 1987 
- MARK ALLEN CONSULTING LIMITEDLiquidation- 07827325 - Incorporated on 28 October 2011 
- MARK ALLEN ENGINEERING LIMITED- 11569365 - Incorporated on 14 September 2018 
- MR AND MRS MARKETING LTDActive - Proposal to Strike off- 11781998 - Incorporated on 22 January 2019 
- ALEXANDER BATES CAMPBELL FINANCIAL PLANNING LIMITED- 07277868 - Incorporated on 8 June 2010 
- SNAP ELECTION LTD- 08982393 - Incorporated on 7 April 2014 
- MR MARK LANE LTDActive - Proposal to Strike off- 10447161 - Incorporated on 26 October 2016 
- MARK MRAIL LTDActive - Proposal to Strike off- 11117406 - Incorporated on 19 December 2017 
- RICHARD ALEXANDER ALLEN- Born February 1965 - MINERVA HOUSE 5 MONTAGUE CLOSE, LONDON, SE1 9BB 
- HAR MARK ALEXANDER LIMITEDDisolved- 15315373 - Dissolved on 27 August 2024