- G T HARPER & SON LTD- 08478818 - Incorporated on 8 April 2013 
- ER.HARPERS LTDActive - Proposal to Strike off- 11593211 - Incorporated on 28 September 2018 
- HARPER & TOM'S LTD- 13418938 - Incorporated on 25 May 2021 
- HARPER AMY LTD- 14743307 - Incorporated on 20 March 2023 
- LUMIN ACCOUNTANCY LTD- 10654113 - Incorporated on 6 March 2017 
- MR & MRS VAN LTD- 14374749 - Incorporated on 25 September 2022 
- HARPER SEEDS LTD- SC714738 - Incorporated on 10 November 2021 
- HARPERS & CO LTDActive - Proposal to Strike off- 08984157 - Incorporated on 8 April 2014 
- BMJ HARPER LTD- 08971127 - Incorporated on 1 April 2014 
- HARPER & SON LTD- 11549385 - Incorporated on 3 September 2018 
- ASH&HARPER LTD- 12788125 - Incorporated on 3 August 2020 
- HARPER’S CAR LTDDisolved- 12239982 - Dissolved on 19 September 2023 
- MR & MRS FIT LTDDisolved- 13471739 - Dissolved on 10 December 2024 
- SIMON & SIMON (UK) LIMITEDDissolved- 03310881 - Dissolved on 19 July 2011 
- JON HARPER LTDActive - Proposal to Strike off- 09638861 - Incorporated on 15 June 2015 
- HARPERS (UK) LTDDissolved- 09620497 - Dissolved on 27 August 2019 
- HARPER FOX LTD- 08781300 - Incorporated on 19 November 2013 
- HARPER'S DEN LTD- SC640411 - Incorporated on 2 September 2019 
- HARPER LAW LTD- 13158682 - Incorporated on 26 January 2021 
- HARPERMC LTD- 11825978 - Incorporated on 14 February 2019