- DAVID ALLEN IT LIMITED- 07336343 - Incorporated on 5 August 2010 
- JASIS INTERNATIONAL BROKERS & CONSULTANTS LLPActive - Proposal to Strike off- OC315051 - Incorporated on 5 September 2005 
- MR DAVID BRADY LTD.Active - Proposal to Strike off- 10943286 - Incorporated on 4 September 2017 
- MR ALLENS FOOD LIMITEDActive - Proposal to Strike off- 10782715 - Incorporated on 22 May 2017 
- BASS TRADING LIMITEDDisolved- 08988149 - Dissolved on 13 June 2023 
- MR. MICHAEL ARTHUR MURPHY- NI613826 - Incorporated on 1 August 2012 
- DAVID ALLEN AGRIBUSINESS LIMITED- 08328436 - Incorporated on 12 December 2012 
- DAVID ARTHUR MOON LIMITEDDisolved- 15942126 - Dissolved on 15 July 2025 
- MR S ALLEN TRANSPORTS LTDActive - Proposal to Strike off- 10169483 - Incorporated on 9 May 2016 
- DAVID ARTHUR (LICHFIELD) LIMITED- 07471543 - Incorporated on 16 December 2010 
- DAVID ARTHUR WILLIAM LIMITED- 09359363 - Incorporated on 17 December 2014 
- DAVID ARTHUR MANAGEMENT LTDDissolved- 07194629 - Dissolved on 8 November 2011 
- MR THOMAS DAVID LTDDisolved- 15351641 - Dissolved on 3 June 2025 
- DAVID ARTHUR CONSULTING LIMITED- 05624676 - Incorporated on 16 November 2005 
- DAVID ALLEN'S RAILWAYS' LTDDisolved- 11336834 - Dissolved on 5 October 2021 
- JAMES ARTHUR ALLEN IMAGES LIMITED- 08209373 - Incorporated on 11 September 2012 
- TEACHING MR ALLEN LIMITED- 16227056 - Incorporated on 4 February 2025 
- SNAP ELECTION LTD- 08982393 - Incorporated on 7 April 2014 
- DAVID ALLEN PHILATELICS LIMITED- 02725872 - Incorporated on 24 June 1992 
- DAVID ALLEN CONSULTANTS LTD- NI623709 - Incorporated on 28 March 2014