- E HARMAN LIMITEDDisolved- 11923146 - Dissolved on 10 May 2022 
- HARMANEYES LTD- 12081688 - Incorporated on 3 July 2019 
- PEKER & HARMAN LTD- 13843701 - Incorporated on 12 January 2022 
- HARMAN FOLEY LTD- 13548827 - Incorporated on 5 August 2021 
- HARMAN SINGH LTD- 13332741 - Incorporated on 14 April 2021 
- Raminder Singh SHINH- Born May 1976 - 33 Europa Avenue, West Bromwich, West Midlands, United Kingdom, B70 6TN 
- AROUN LEONARDO SHINH- Born October 1996 - 356 MEADOW LANE, NOTTINGHAM, ENGLAND, NG2 3GL 
- HARMAN RETAIL LTD- 11892415 - Incorporated on 19 March 2019 
- WILSON & HARMAN LTDDisolved- 12821429 - Dissolved on 5 July 2022 
- HARMAN PIPING LTD- 10460167 - Incorporated on 3 November 2016 
- P&L HARMAN LIMITED- 08758716 - Incorporated on 1 November 2013 
- HARMANFOODGROUP LTD- SC637253 - Incorporated on 29 July 2019 
- DAVID J HARMAN LTDDisolved- 12990824 - Dissolved on 27 December 2022 
- HARMAN HOUZE LTDDisolved- 14160003 - Dissolved on 14 November 2023 
- A.S. HARMAN LIMITED- 01094437 - Incorporated on 6 February 1973 
- HARMANKAIE LTD- 12819557 - Incorporated on 18 August 2020 
- DR HARMAN KLER LTD- 14338905 - Incorporated on 6 September 2022 
- HARMAN SINGH1 LTDDisolved- 15381263 - Dissolved on 10 June 2025 
- HARMAN & SMITH LTDDisolved- 15259242 - Dissolved on 15 April 2025 
- MR.MR. LTDDisolved- 14252327 - Dissolved on 5 December 2023