- HARTAI LTD- 16541221 - Incorporated on 25 June 2025 
- HART OF AV LTD.Dissolved- 08488187 - Dissolved on 14 January 2014 
- HART & IVY LTDActive - Proposal to Strike off- 11402628 - Incorporated on 7 June 2018 
- RED HART LTDDisolved- 11882164 - Dissolved on 7 August 2024 
- MRS.HART LTD- 10117696 - Incorporated on 11 April 2016 
- T.G. & E.M. HART & SON LLPDisolved- OC407682 - Dissolved on 6 June 2023 
- SID HART LTD- 12150382 - Incorporated on 12 August 2019 
- HART OF AK LTDActive - Proposal to Strike off- 13288282 - Incorporated on 24 March 2021 
- RS HARTE LTDDisolved- 14525947 - Dissolved on 14 May 2024 
- WAYNE AND BYRON DAVIES OPTOMETRISTS- 00602085 - Incorporated on 2 April 1958 
- W HART INN LTDLiquidation- 06120399 - Incorporated on 21 February 2007 
- HARTRA LTDDisolved- 06579581 - Dissolved on 13 May 2025 
- LEI HART LTD- 07465689 - Incorporated on 9 December 2010 
- HARTUP LTDActive - Proposal to Strike off- 09615352 - Incorporated on 1 June 2015 
- HART PUB LTDActive - Proposal to Strike off- 06431674 - Incorporated on 20 November 2007 
- MGL HART LTD- 12855425 - Incorporated on 3 September 2020 
- ARI T HART LTD.- 12092725 - Incorporated on 9 July 2019 
- HARTIL LTD- 11280690 - Incorporated on 28 March 2018 
- HARTTH LTDDisolved- 12636171 - Dissolved on 27 December 2022 
- HARTS AV LTDDissolved- 09903454 - Dissolved on 23 January 2018