- Andrew Stuart, Mr. HARRISON- Born February 1975 - 70 Victoria Street, London, England, SW1E 6SQ 
- Isabelle Marie, Mrs. HARRIS- Born February 1964 - 15-17 Church Street, Stourbridge, West Midlands, United Kingdom, DY8 1LU 
- MR MICHAEL DAVID HARRISON- Born March 1958 - 13 MANOR STREET, BRIDLINGTON, EAST YORKSHIRE, ENGLAND, YO15 2SA 
- Kathryn Louise, Mrs. HARRIS- The Wherry Quay Street, Halesworth, England, IP19 8ET 
- Marc Jonathan, Mr. HARRISON- Born March 1980 - 31-33 Albion Place Sittingbourne Road, Maidstone, Kent, United Kingdom, ME14 5DZ 
- MR & MRS LARK LTDDissolved- 08146557 - Dissolved on 26 November 2019 
- HARRIS & HARRIS ASSOCIATES LIMITEDDisolved- 07499368 - Dissolved on 6 February 2024 
- HARRIS & HARRIS LONDON LIMITED- 09063948 - Incorporated on 30 May 2014 
- HARRIS & HARRIS PROPERTIES LIMITED- 11559186 - Incorporated on 7 September 2018 
- 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 
- HARRIS & HARRIS CONSULTING LIMITEDLiquidation- 08676311 - Incorporated on 4 September 2013 
- HARRIS TWEED HARRIS LTDDisolved- SC666989 - Dissolved on 12 September 2023 
- MR- LATIF HOUSE FIRSTWAY, WEMBLEY, LONDON, MIDDX, UNITED KINGDOM, HA9 0JD 
- MR- 17 HOPE STREET, HOPE STREET, LINCOLN, LINCOLNSHIRE, UNITED KINGDOM, LN5 7UJ 
- MR & MRS SEW 'N' SEW LTD.- 07606830 - Incorporated on 18 April 2011 
- MR&MRS CLEAN LTDDisolved- 13755600 - Dissolved on 16 May 2023 
- MR&MRS STORE LTD- 16474263 - Incorporated on 27 May 2025 
- HARRIS & HARRISON LTD- 11623254 - Incorporated on 15 October 2018