- TARA BRETT LIMITED- 13983046 - Incorporated on 17 March 2022 
- BRETT TURNER LIMITED- 16519762 - Incorporated on 16 June 2025 
- BRETT VENTURES LIMITED- 16585681 - Incorporated on 16 July 2025 
- DUNCAN KING LTDActive - Proposal to Strike off- 07951018 - Incorporated on 15 February 2012 
- DUNCANJOY LTDActive - Proposal to Strike off- 08283231 - Incorporated on 6 November 2012 
- ROSS DUNCAN LTDActive - Proposal to Strike off- SC495697 - Incorporated on 22 January 2015 
- DUNCAN ROWE LTDActive - Proposal to Strike off- 10163480 - Incorporated on 5 May 2016 
- DUNCAN'S DOG CO LTDLiquidation- 12434454 - Incorporated on 30 January 2020 
- NEIL DUNCAN LTDDisolved- 14630961 - Dissolved on 16 July 2024 
- DUNCAN PUB CO LTD- 15416577 - Incorporated on 16 January 2024 
- BALFOUR KILPATRICK LIMITED- 00255342 - Incorporated on 30 March 1931 
- LIVESAVERS LIMITED- 08961017 - Incorporated on 26 March 2014 
- ARTHUR BRETT LIMITED- 13179120 - Incorporated on 4 February 2021 
- BRETT EARLE LIMITEDActive - Proposal to Strike off- 10555203 - Incorporated on 10 January 2017 
- BRETT ENTERPRISE LTD.- 15485302 - Incorporated on 12 February 2024 
- BRETT CORCORAN LIMITEDDissolved- SC352391 - Dissolved on 22 December 2015 
- BRETT SOLUTIONS LTDActive - Proposal to Strike off- 07002058 - Incorporated on 26 August 2009 
- BRETT YERBY LIMITEDDissolved- 07029321 - Dissolved on 17 January 2012 
- BRETT PAVING LIMITED- 00628517 - Incorporated on 20 May 1959 
- JEPSON BRETT LIMITED- 06453568 - Incorporated on 14 December 2007