- DAVID BYRNE PROJECT MANAGEMENT LTDActive - Proposal to Strike off- 08757120 - Incorporated on 31 October 2013 
- DAVID BYRNE PLUMBING & HEATING LIMITEDActive - Proposal to Strike off- 04588216 - Incorporated on 12 November 2002 
- DAVID @ TEES MRI LIMITEDActive - Proposal to Strike off- 09392679 - Incorporated on 16 January 2015 
- OVENU BPED LTDDisolved- 14092804 - Dissolved on 8 August 2023 
- DR DAVID M JONES MRCVS LTD- 15107831 - Incorporated on 31 August 2023 
- BYRNE BYRNE LIMITED- 10739516 - Incorporated on 25 April 2017 
- MR DAVID MOORE LIMITEDDissolved- 07205744 - Dissolved on 4 December 2012 
- MR DAVID JOHN CLAPHAM LTD- 13717383 - Incorporated on 2 November 2021 
- MR DAVID JAMES MARTIN LTD- 16388942 - Incorporated on 15 April 2025 
- MR DAVID JOHN CLAPHAM LTD- 11962964 - Incorporated on 25 April 2019 
- COLIN DAVID RUSS & ASSOCIATES LTD- 06938351 - Incorporated on 18 June 2009 
- MR DAVID ENTERPRISES LIMITEDDissolved- 05897067 - Dissolved on 9 August 2011 
- BYRNES & BYRNES LIMITED- 07194961 - Incorporated on 18 March 2010 
- MR DAVID GEORGE BARNEY LTDDisolved- 13206712 - Dissolved on 26 July 2022 
- MR DAVID ROBERT WEAVER LTD.Active - Proposal to Strike off- 15543865 - Incorporated on 6 March 2024 
- MR DAVID JAMES RUSHTON LTDDisolved- 15424554 - Dissolved on 17 September 2024 
- M.BYRNE LTDActive - Proposal to Strike off- 11624585 - Incorporated on 16 October 2018 
- R.H.O’BYRNE LTDDisolved- SC663470 - Dissolved on 9 November 2021 
- A & J BYRNE LTDActive - Proposal to Strike off- 08669432 - Incorporated on 30 August 2013 
- S J BYRNE LTD- 08393950 - Incorporated on 7 February 2013