- MS QUAN CONSULTING LTDActive - Proposal to Strike off- 08355956 - Incorporated on 10 January 2013 
- QUAN & QUAN LIMITED- 00806072 - Incorporated on 21 May 1964 
- MS QUANTUM EDGE LTDDisolved- 15492327 - Dissolved on 2 July 2024 
- MSL QUANTUM LIMITED- 12611300 - Incorporated on 19 May 2020 
- MS QUANTUM HOLDINGS LTD- 16287342 - Incorporated on 3 March 2025 
- MS QUANTITY SURVEYING LTDActive - Proposal to Strike off- 07990600 - Incorporated on 14 March 2012 
- QUAN LTDActive - Proposal to Strike off- 05237986 - Incorporated on 22 September 2004 
- JENNIFER MICHAELS SOCIAL CARE SOLUTIONS LTDDissolved- 06473484 - Dissolved on 26 June 2018 
- QUAN CAPITAL LTDDissolved- 07148046 - Dissolved on 7 May 2019 
- QUAN ENTERPRISES LIMITEDDissolved- 07188073 - Dissolved on 26 June 2012 
- STANLEY QUAN LIMITEDActive - Proposal to Strike off- 08458036 - Incorporated on 22 March 2013 
- QUAN INTERNATIONAL LIMITEDActive - Proposal to Strike off- 08942683 - Incorporated on 17 March 2014 
- QUAN MAGAZINE LIMITEDActive - Proposal to Strike off- 09555878 - Incorporated on 22 April 2015 
- QUAN-AN LTD- 11013777 - Incorporated on 16 October 2017 
- QUAN SOLUTIONS LTDActive - Proposal to Strike off- 11292870 - Incorporated on 5 April 2018 
- HANOI QUAN LIMITEDDisolved- SC652971 - Dissolved on 16 January 2024 
- QUAN YOU LTDDisolved- 13973345 - Dissolved on 6 August 2024 
- YU QUAN LTDDisolved- 14109478 - Dissolved on 17 October 2023 
- CHENG QUAN LTD- NI706996 - Incorporated on 22 December 2023 
- QUAN HOANG LIMITED- 07943207 - Incorporated on 9 February 2012