- JOSEPH TM LTDDisolved- 13840361 - Dissolved on 27 June 2023 
- JOSEPH CK LTDActive - Proposal to Strike off- 14709814 - Incorporated on 6 March 2023 
- HARRIS & HARRIS (RETAIL) LIMITED- 03673355 - Incorporated on 24 November 1998 
- HARRIS & HARRIS CONSULTANCY LTD- 08165619 - Incorporated on 2 August 2012 
- HARRIS & HARRIS BOOKS LIMITED- 16245404 - Incorporated on 11 February 2025 
- JOSEPH PB LTDActive - Proposal to Strike off- 11426956 - Incorporated on 21 June 2018 
- JS JOSEPH LTDActive - Proposal to Strike off- 10328288 - Incorporated on 12 August 2016 
- IZ JOSEPH LTDDisolved- 13921976 - Dissolved on 13 February 2024 
- DONALDPROP UK LTD- 12606074 - Incorporated on 15 May 2020 
- HARRIS & HARRIS CONSULTING LIMITEDLiquidation- 08676311 - Incorporated on 4 September 2013 
- HARRIS TWEED HARRIS LTDDisolved- SC666989 - Dissolved on 12 September 2023 
- DONALDSON FILTRATION (GB) LIMITED- 03914641 - Incorporated on 24 January 2000 
- CENTRAL V4 LIMITEDActive - Proposal to Strike off- 09030553 - Incorporated on 8 May 2014 
- JOSEPH CAREDissolved- 06837227 - Dissolved on 27 December 2011 
- AS JOSEPH LTDDisolved- 12612622 - Dissolved on 26 October 2021 
- JOSEPH LC LTDDisolved- 11209457 - Dissolved on 18 April 2022 
- SN JOSEPH 7896 LTDActive - Proposal to Strike off- 10583339 - Incorporated on 25 January 2017 
- ZV JOSEPH LTDActive - Proposal to Strike off- 13960453 - Incorporated on 7 March 2022 
- 4 JOSEPHS LTD- 14420038 - Incorporated on 14 October 2022 
- DONALD CATERING LTDDisolved- 13617041 - Dissolved on 7 March 2023