- QUID PRO QUO CAPITAL LIMITEDDisolved- 09564003 - Dissolved on 16 May 2023 
- QUBA TRUST- 08860742 - Incorporated on 24 January 2014 
- QUALITY QUEST LIMITED- 05446199 - Incorporated on 6 May 2005 
- QUANTUM QUARK LIMITEDDissolved- 05561536 - Dissolved on 10 May 2011 
- QUACK QUACK GOO LIMITED- 13451749 - Incorporated on 11 June 2021 
- QUANTUM QUEST GROUP LTD- 16095950 - Incorporated on 22 November 2024 
- QUOTEY QUOTEY LIMITEDLiquidation- 07211106 - Incorporated on 1 April 2010 
- QUINN AND QUINN LIMITEDDisolved- 05853743 - Dissolved on 14 November 2023 
- QUANDO QUANGO LIMITED- 07878647 - Incorporated on 12 December 2011 
- WOOF WOOF QUACK QUACK LTD- 08379113 - Incorporated on 29 January 2013 
- QUESTO E QUELLO LIMITEDDisolved- 11191375 - Dissolved on 17 August 2021 
- QUIET QUARTET LIMITED- 05321172 - Incorporated on 24 December 2004 
- QUEST 4 QUALITY LIMITEDDissolved- 06394966 - Dissolved on 8 November 2011 
- QUILL & QUAVER (UK) LIMITEDActive - Proposal to Strike off- 08605689 - Incorporated on 11 July 2013 
- QUINTE QUEENZ LIMITEDActive - Proposal to Strike off- 09634824 - Incorporated on 11 June 2015 
- QUALITY QUALS LIMITED- 09773315 - Incorporated on 11 September 2015 
- QUID PRO QUO PROPERTY LTDActive - Proposal to Strike off- 10854930 - Incorporated on 7 July 2017 
- THE QUALITY QUISINE LTDActive - Proposal to Strike off- 12111203 - Incorporated on 18 July 2019 
- QUACK QUACK MOO LIMITED- 12092498 - Incorporated on 9 July 2019 
- QUASI QUEST DAY LIMITEDActive - Proposal to Strike off- 10401154 - Incorporated on 29 September 2016