- STUART IAN LTD- 16549418 - Incorporated on 30 June 2025 
- MR STUART LTDDisolved- 14542243 - Dissolved on 2 April 2024 
- IAN C STUART LIMITEDActive - Proposal to Strike off- 11475460 - Incorporated on 20 July 2018 
- IAN STUART LIMITEDDisolved- 04479367 - Dissolved on 3 January 2023 
- IAN SPENCER KURS LTDDissolved- 05464120 - Dissolved on 9 November 2010 
- IAN STUART LONDON LTDDisolved- 12218376 - Dissolved on 9 May 2023 
- IAN SPENCE (GARDENING) LTD- 07125734 - Incorporated on 14 January 2010 
- IAN SPENCE CONSULTING LIMITEDDissolved- 08842148 - Dissolved on 19 February 2019 
- MR STUART JAMES LTDActive - Proposal to Strike off- 11352025 - Incorporated on 9 May 2018 
- IAN STUART PLANT OPS LTDActive - Proposal to Strike off- 11051993 - Incorporated on 7 November 2017 
- STUART SPENCER LIMITED- 00629444 - Incorporated on 2 June 1959 
- SPENCER STUART STAR UK LTD- 11805666 - Incorporated on 4 February 2019 
- SPENCER STUART LIMITED- 09849863 - Incorporated on 30 October 2015 
- IAN STUART HAMILTON LTDDisolved- 11762259 - Dissolved on 4 March 2025 
- IAN STUART BREWSTER LTDDisolved- 13823083 - Dissolved on 27 June 2023 
- IAN STUART GROUP LIMITEDActive - Proposal to Strike off- 11076545 - Incorporated on 22 November 2017 
- STUART SPENCER PROFESSIONAL SERVICES LTD- 12199908 - Incorporated on 10 September 2019 
- STUART IAN BROWN LIMITEDDissolved- 09628509 - Dissolved on 6 November 2018 
- MR IAN HEALY LIMITEDDisolved- NI682989 - Dissolved on 21 November 2023 
- MR LAURENCE IAN HOWARD-CLARK LIMITED- 09316877 - Incorporated on 18 November 2014