- BRETTON LIMITED- 01936277 - Incorporated on 5 August 1985 
- TIM BRETT LIMITED- 08612354 - Incorporated on 16 July 2013 
- BRETTCO LIMITEDActive - Proposal to Strike off- 09315269 - Incorporated on 17 November 2014 
- BRETT JOHNSON LTDActive - Proposal to Strike off- 10713863 - Incorporated on 6 April 2017 
- BRETT'S GARDENS LTD- 11118989 - Incorporated on 20 December 2017 
- BRETTAR LIMITEDDisolved- 14204656 - Dissolved on 5 December 2023 
- BRETT'S CBD LIMITEDDisolved- NI695458 - Dissolved on 9 July 2024 
- BRETT OLD LIMITEDDisolved- 15130100 - Dissolved on 25 February 2025 
- MR & MRS GIN LTDDisolved- 10554971 - Dissolved on 1 April 2025 
- MR & MRS TOY LTDActive - Proposal to Strike off- 09801554 - Incorporated on 30 September 2015 
- SJB PRODUCTS LTD- 12574019 - Incorporated on 27 April 2020 
- ITAP GROUP LIMITED- 05023444 - Incorporated on 22 January 2004 
- GRACE HAIR & BEAUTY LTDLiquidation- 10892308 - Incorporated on 31 July 2017 
- DUNCAN OWEN LTDDissolved- 07147932 - Dissolved on 22 May 2012 
- ALEX DUNCAN LTD.Active - Proposal to Strike off- SC394756 - Incorporated on 3 March 2011 
- I AM JON DUNCAN LTD- 12103276 - Incorporated on 15 July 2019 
- JOHN DUNCAN LTDActive - Proposal to Strike off- SC590704 - Incorporated on 7 March 2018 
- DUNCAN'S CAFE LTDDisolved- 12316132 - Dissolved on 4 January 2022 
- DUNCAN & GRAY LTD- SC803659 - Incorporated on 19 March 2024 
- BRETT SKELTON LTDActive - Proposal to Strike off- 07060380 - Incorporated on 29 October 2009