- DAVID P LESLIE- SL004473 - Incorporated on 24 December 2001 
- DAVID LESLIE LTD- 14040154 - Incorporated on 11 April 2022 
- DAVID LESLIE LIMITEDActive - Proposal to Strike off- NI003888 - Incorporated on 23 May 1957 
- MICHAEL LESLIE DAVID LTDActive - Proposal to Strike off- 13489543 - Incorporated on 1 July 2021 
- DAVID LESLIE WYNN LIMITEDActive - Proposal to Strike off- 15507551 - Incorporated on 20 February 2024 
- DAVID LESLIE FRUITS LIMITEDDissolved- SC250430 - Dissolved on 21 January 2011 
- DAVID LESLIE PLASTERER LTDDisolved- 13373550 - Dissolved on 29 August 2023 
- DAVID PEARSON DIRECTOR LIMITED- 07995820 - Incorporated on 19 March 2012 
- DAVID LESLIE CONSULTING LTD- SC710418 - Incorporated on 24 September 2021 
- DAVID LESLIE CAKES LIMITED- 07023952 - Incorporated on 20 September 2009 
- DAVID ROBINSON DIRECTOR LLPActive - Proposal to Strike off- OC425367 - Incorporated on 24 December 2018 
- DE GALLEN LTD- 16568852 - Incorporated on 8 July 2025 
- ANGELA GALLEN LTDDisolved- SC717676 - Dissolved on 4 April 2023 
- DAVID PETERS NIG LTDActive - Proposal to Strike off- 11598390 - Incorporated on 1 October 2018 
- GALLENTE LTD- 13992735 - Incorporated on 21 March 2022 
- GET GALLEN LTD- NI615859 - Incorporated on 7 December 2012 
- PETER FRANCIS ART DIRECTOR LTD- 05474324 - Incorporated on 7 June 2005 
- GALLEN CARE LTDActive - Proposal to Strike off- NI605909 
- MGM (HITCHIN) LIMITED- 10311792 - Incorporated on 4 August 2016 
- GALLEN ENTERPRISES LIMITEDDisolved- 11653662 - Dissolved on 13 February 2024