- RON DUNCAN LLP- SO302670 - Incorporated on 28 January 2010 
- DUNCANOS LTDLiquidation- SC684185 - Incorporated on 21 December 2020 
- DUNCAN'S CAR LTD- 13887781 - Incorporated on 2 February 2022 
- THE BRESON PARTNERSHIP LIMITEDDisolved- 04419483 - Dissolved on 7 December 2021 
- CLH SERVICES LIMITEDActive - Proposal to Strike off- SC251869 - Incorporated on 26 June 2003 
- DUNCAN CLARK LIMITEDDisolved- 02081256 - Dissolved on 21 July 2022 
- MR & MRS NIK LTD- 09626652 - Incorporated on 6 June 2015 
- MR AND MRS A LTDActive - Proposal to Strike off- 11538245 - Incorporated on 28 August 2018 
- CPD RESOURCE LIMITED- 04595801 - Incorporated on 20 November 2002 
- MR & MRS VAN LTD- 14374749 - Incorporated on 25 September 2022 
- BRETT LYCETT LTDDissolved- 06605887 - Dissolved on 11 January 2011 
- BRETTS LIMITED- 01490025 - Incorporated on 9 April 1980 
- P J BRETTY LIMITEDActive - Proposal to Strike off- 08973826 - Incorporated on 2 April 2014 
- BRETT NELSON LTD- 08992532 - Incorporated on 11 April 2014 
- BRETTSPROPERTYS LTDDissolved- 08373112 - Dissolved on 3 December 2013 
- BRETTOCELYN LTDDisolved- 15340231 - Dissolved on 18 March 2025 
- MR & MRS FIT LTDDisolved- 13471739 - Dissolved on 10 December 2024 
- MAY & BRETT,LIMITEDDisolved- 00499565 - Dissolved on 28 June 2022 
- BRETTS BURGER LTD- 07778360 - Incorporated on 19 September 2011 
- BRETTIC LIMITEDLiquidation- 01863143 - Incorporated on 13 November 1984