- CLEVER HEATING LTD- 12557325 - Incorporated on 15 April 2020 
- THE MR AND MRS EMPIRE LTD- 15603811 - Incorporated on 29 March 2024 
- HARRY PROD LIMITEDActive - Proposal to Strike off- 08721106 - Incorporated on 7 October 2013 
- HARRY JO & CO LTDDissolved- 07210589 - Dissolved on 17 June 2014 
- MAD HARRY'S LTDDissolved- 06253215 - Dissolved on 26 March 2013 
- HARRY FAY LTD- 12278050 - Incorporated on 23 October 2019 
- HARRY GRT LTD- 11500914 - Incorporated on 6 August 2018 
- HARRYO & CO LTDDisolved- 12111648 - Dissolved on 5 December 2023 
- HARRYMJ LTDDisolved- 14238853 - Dissolved on 29 October 2024 
- MR & MRS NIK LTD- 09626652 - Incorporated on 6 June 2015 
- MR AND MRS A LTDActive - Proposal to Strike off- 11538245 - Incorporated on 28 August 2018 
- HENRI FITZWILLIAM-LAY LIMITED- 05281447 - Incorporated on 9 November 2004 
- FITZWILLIAM PRIVATE CLIENTS LIMITEDActive - Proposal to Strike off- NI655103 - Incorporated on 20 August 2018 
- FITZWILLIAM HERITAGE DEVELOPMENTS LIMITEDDisolved- NI660644 - Dissolved on 23 August 2022 
- FITZWILLIAM ROAD (CAMBRIDGE) LLPDissolved- OC398703 - Dissolved on 29 June 2021 
- FITZWILLIAM EDUCATION CONSULTANTS LIMITEDActive - Proposal to Strike off- 10679783 - Incorporated on 20 March 2017 
- FITZWILLIAM CONSULTANCY UK LIMITEDActive - Proposal to Strike off- 11008364 - Incorporated on 11 October 2017 
- FITZWILLIAM DEVELOPMENT COMPANY LIMITED- 14200543 - Incorporated on 28 June 2022 
- FITZWILLIAM CAPITAL PARTNERS LIMITED- 14809729 - Incorporated on 17 April 2023 
- BLUES PROPERTY FITZWILLIAM LIMITED- 14404348 - Incorporated on 7 October 2022