- 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 
- NEIL DAVID SMITH ENGINEERING LIMITEDDisolved- 07500426 - Dissolved on 15 February 2022 
- DAVID O'NEILL LOGISTICS LIMITEDActive - Proposal to Strike off- 10342358 - Incorporated on 23 August 2016 
- DAVID O'NEIL CONSULTING LIMITED- 16415208 - Incorporated on 29 April 2025 
- DAVID HARRISON & SONS LIMITED- 01287828 - Incorporated on 24 November 1976 
- DAVID J HARRIS PROPERTIES LTD- 13090022 - Incorporated on 18 December 2020 
- NEIL DAVIDSON MEDICAL LIMITED- 09365539 - Incorporated on 23 December 2014 
- NEIL HARRIS PLUMBING AND HEATING LIMITED- 07590690 - Incorporated on 4 April 2011 
- DAVID O'NEIL WELL SERVICES LIMITEDDissolved- SC350755 - Dissolved on 3 August 2012 
- DAVID NEILSON AGENCIES LIMITED- SC097810 - Incorporated on 13 March 1986 
- NEIL HARRISON CONSULTING LIMITEDDisolved- 04768423 - Dissolved on 30 November 2021 
- DAVID HARRIS (BESPOKE INTERIORS) LIMITEDDissolved- 04346666 - Dissolved on 18 October 2013 
- DAVID HARRIS MILITARY ENGINEERING LTDActive - Proposal to Strike off- 10350432 - Incorporated on 30 August 2016 
- DAVID O'NEILL ASSOCIATES LIMITED- SC574656 - Incorporated on 25 August 2017 
- DAVID HARRIS PRESTIGE CARS LIMITED- 12965868 - Incorporated on 21 October 2020 
- JACK DAVID HARRIS DECORATORS LIMITEDActive - Proposal to Strike off- 10597073 - Incorporated on 2 February 2017 
- DAVID HARRIS PARTITIONS & CEILINGS LIMITEDDisolved- 04159194 - Dissolved on 4 July 2023 
- MR DAVID MICHAEL HAMMITT LTDDisolved- 13881191 - Dissolved on 9 July 2024 
- DAVID OGILVIE-O'NEIL DESIGN LIMITED- SC321601 - Incorporated on 19 April 2007