- COLIN TAIT- LP005882 - Incorporated on 25 August 1998 
- COLINE LTD- 16156522 - Incorporated on 30 December 2024 
- MR & MRS S LTDActive - Proposal to Strike off- 12290244 - Incorporated on 30 October 2019 
- COLIN P ROBB- SL000648 - Incorporated on 7 June 1984 
- BRENTDX LTD- 15006248 - Incorporated on 17 July 2023 
- BRENTER LTD- 15548317 - Incorporated on 8 March 2024 
- BRENTAN LLPActive - Proposal to Strike off- OC396404 - Incorporated on 11 November 2014 
- BRENTAL LTD- 09861689 - Incorporated on 9 November 2015 
- BRENTEK LTD- 13873115 - Incorporated on 26 January 2022 
- IAN BRENT LTD- 15885182 - Incorporated on 8 August 2024 
- DUNCAN AERO (2013) LIMITEDActive - Proposal to Strike off- NI615676 - Incorporated on 27 November 2012 
- CHECKERS INVENTORIES LTDActive - Proposal to Strike off- SC383979 - Incorporated on 19 August 2010 
- COLIN'S AUTOS PERFORMANCE TUNING LTD- 09158064 - Incorporated on 1 August 2014 
- KEN DUNCAN LTD- SC364445 - Incorporated on 24 August 2009 
- J DUNCAN PHB LTD- SC544521 - Incorporated on 5 September 2016 
- DUNCANFX LTDActive - Proposal to Strike off- 12027778 - Incorporated on 3 June 2019 
- PRIMARY EYECARE (BRENT & HARROW) LIMITED- 06720193 - Incorporated on 10 October 2008 
- COLIN & DO LTDDisolved- 11793178 - Dissolved on 22 April 2025 
- COLINO LTDActive - Proposal to Strike off- 10045309 - Incorporated on 7 March 2016 
- COLINK LTDActive - Proposal to Strike off- 14173572 - Incorporated on 15 June 2022