- THE HARBER CHARITABLE FOUNDATION- 05416044 - Incorporated on 6 April 2005 
- HARBER GREEN LTDDissolved- 06742954 - Dissolved on 11 January 2011 
- HARBER HOMES LTD- 11371328 - Incorporated on 18 May 2018 
- HARBER PROPERTIES LIMITED- 01266859 - Incorporated on 5 July 1976 
- BALMORAL COURT LIMITED- NI017808 - Incorporated on 19 September 1984 
- DAVID HARBER LIMITED- 04018461 - Incorporated on 21 June 2000 
- HARBER SIGNS LIMITED- 07867697 - Incorporated on 1 December 2011 
- HARBER COMPOSITES LIMITEDDisolved- 08994115 - Dissolved on 12 December 2023 
- COLMAN HARBER LIMITEDDisolved- 12036099 - Dissolved on 20 December 2022 
- HARBER INNS LIMITED- 13700638 - Incorporated on 25 October 2021 
- CRISTINA HARBER LTD- 14806674 - Incorporated on 17 April 2023 
- DAVENPORT & HARBER LIMITED- 15522868 - Incorporated on 26 February 2024 
- HARBERTONFORD LTDDisolved- 13700843 - Dissolved on 14 March 2023 
- HARBERTOYS LTDActive - Proposal to Strike off- 15530107 - Incorporated on 28 February 2024 
- HARBERRY LIMITEDDissolved- 00135548 - Dissolved on 30 October 2014 
- HARBER DISPLAY LIMITEDLiquidation- 01404398 - Incorporated on 8 December 1978 
- HARBER CONSTRUCTION LIMITEDActive - Proposal to Strike off- 06882387 - Incorporated on 20 April 2009 
- HARBER HIRE LIMITEDActive - Proposal to Strike off- 08375355 - Incorporated on 25 January 2013 
- HARBER LONDON LTD- 10457134 - Incorporated on 1 November 2016 
- HARBER HOLDINGS LTD- 13725574 - Incorporated on 5 November 2021