- BUCK WEALTH MANAGEMENT LIMITED- 10786984 - Incorporated on 24 May 2017 
- THE BUCK RICHMOND LIMITED- 10509524 - Incorporated on 5 December 2016 
- BUCK EXPORTERS UK LIMITEDActive - Proposal to Strike off- 11533820 - Incorporated on 23 August 2018 
- BIG BUCK COMPETITIONS LIMITEDDisolved- SC689819 - Dissolved on 1 August 2023 
- BUCK ESTATES COTSWOLD LTD- 14010666 - Incorporated on 29 March 2022 
- BUCK INN FLIXTON LIMITED- 13614488 - Incorporated on 10 September 2021 
- AJ CRUZ BUCK LIMITED- 14956893 - Incorporated on 23 June 2023 
- THE BUCK SADBERGE LTD- 16333426 - Incorporated on 21 March 2025 
- BUCK STALKER ENGINEERING LIMITED- 16575921 - Incorporated on 11 July 2025 
- BUCKIT LTD- SC747928 - Incorporated on 20 October 2022 
- FM4BUCKS LTDDisolved- 12989549 - Dissolved on 5 April 2022 
- G BUCKLE 8112 LTD- 10709786 - Incorporated on 5 April 2017 
- BUCKIS LTD.- 09121720 - Incorporated on 8 July 2014 
- PJ BUCKS LTDActive - Proposal to Strike off- 12618402 - Incorporated on 22 May 2020 
- NODE MSP LTD- 14901807 - Incorporated on 30 May 2023 
- BUCKINGHAM & BUCKINGHAM LLP- OC437772 - Incorporated on 7 June 2021 
- BUCKNALL & BUCKNALL LIMITED- 16395436 - Incorporated on 17 April 2025 
- A & K BUCK LIMITEDDisolved- 07805395 - Dissolved on 26 April 2022 
- BUCK CHEMICALS (UK) LIMITEDDissolved- SC176845 - Dissolved on 19 May 2013 
- BUCK FARM DEVELOPMENTS LIMITED- 04299579 - Incorporated on 5 October 2001