- MR STUART LTDDisolved- 14542243 - Dissolved on 2 April 2024 
- MACWHIRTER LIMITED- 00308052 - Dissolved on 7 October 2017 
- MR STUART JAMES LTDActive - Proposal to Strike off- 11352025 - Incorporated on 9 May 2018 
- BOYDE LTD- 14607629 - Incorporated on 20 January 2023 
- BOYDEY PRODUCTIONS LTD- 12435662 - Incorporated on 31 January 2020 
- MACWHIRTER (SOUTH EAST) LTDActive - Proposal to Strike off- 03382918 - Incorporated on 6 June 1997 
- LIZ MACWHIRTER LTDDisolved- SC394208 - Dissolved on 17 June 2025 
- BOYDE GROUNDWORKS LTDActive - Proposal to Strike off- 12991960 - Incorporated on 3 November 2020 
- BOYDE MARINE LTD- 15523471 - Incorporated on 26 February 2024 
- MACWHIRTER MOTORSPORT LIMITED- 10132114 - Incorporated on 19 April 2016 
- MACWHIRTER (WESTERN) LIMITED- 02745880 - Incorporated on 9 September 1992 
- BOYDELL LLP- OC372670 - Incorporated on 21 February 2012 
- MACWHIRTER ASSOCIATES LIMITED- SC128161 - Incorporated on 29 October 1990 
- BOYDEN LIMITEDregistered- OE004505 - Incorporated on 21 November 2022 
- 13 BOYDEN HOUSE LTD- 11602577 - Incorporated on 3 October 2018 
- MR STUART A ROBERTSON LIMITED- 11864149 - Incorporated on 6 March 2019 
- BOYDELL & SONS LTD- 12146305 - Incorporated on 8 August 2019 
- BOYDEN & CO.LIMITED- 00207371 - Incorporated on 20 July 1925 
- CRISPIN BOYDE DRIVING LIMITEDActive - Proposal to Strike off- 08559803 - Incorporated on 6 June 2013 
- FINCH RESTAURANTS LIMITED- 08242502 - Incorporated on 5 October 2012