- DAVID HOLLIER LIMITEDDisolved- 12876318 - Dissolved on 22 March 2022 
- DAVID HOLLIER LIMITEDDissolved- 03914477 - Dissolved on 16 July 2019 
- DGS HARROVIAN LTD- 05534880 - Incorporated on 12 August 2005 - 5 Jardine House, Harrovian Business Village, Bessborough Road, Harrow, HA1 3EX 
- M. R. SIMONS LIMITEDActive - Proposal to Strike off- SC537381 - Incorporated on 7 June 2016 
- MR DAVID P C LTD- 16409026 - Incorporated on 25 April 2025 
- DAVID SIMON LTD- 13367385 - Incorporated on 29 April 2021 - 5 Jardine House, Harrovian Business Village, Bessborough Road, Harrow, HA1 3EX 
- SIMON DAVID LTDDisolved- 14034136 - Dissolved on 12 September 2023 
- SIMON DAVID LTD- 16011749 - Incorporated on 10 October 2024 
- DAVID SIMON LTD.Dissolved- SC243516 - Dissolved on 22 June 2012 
- DAVID&SIMON LTDActive - Proposal to Strike off- 11527318 - Incorporated on 20 August 2018 
- MR SIMON REES LTDDisolved- 14242006 - Dissolved on 26 December 2023 
- MRH DAVID LTDActive - Proposal to Strike off- 11325633 - Incorporated on 24 April 2018 
- MR AND MRS SIMONS LIMITED- 03014755 - Incorporated on 26 January 1995 
- DAVID G SIMON & CO LIMITEDActive - Proposal to Strike off- 09363943 - Incorporated on 22 December 2014 
- MR SIMON JONES LTD- 15686532 - Incorporated on 27 April 2024 
- MR SIMONH LIMITEDDisolved- 11926933 - Dissolved on 10 May 2022 
- MR A W DAVIDSON LTD- 07957458 - Incorporated on 21 February 2012 
- MRS SIMON & CO. LIMITEDActive - Proposal to Strike off- 09780686 - Incorporated on 16 September 2015 
- SIMON&DAVID LIMITEDActive - Proposal to Strike off- 08189211 - Incorporated on 23 August 2012 
- HOLLIER FARMS LTD- 04804133 - Incorporated on 19 June 2003