- QUADRI DISTRIBUTION LIMITEDActive - Proposal to Strike off- 11697190 - Incorporated on 26 November 2018 
- ADEGOKE CAR VENTURES LTDActive - Proposal to Strike off- 08803958 - Incorporated on 5 December 2013 
- PREVENSYS LLP- OC338530 - Incorporated on 7 July 2008 
- QUADRIGA LTD- 10014780 - Incorporated on 19 February 2016 
- QUADRISE PLC- 05267512 - Incorporated on 22 October 2004 
- QUADRITHM LTD- 09271163 - Incorporated on 20 October 2014 
- QUADRIGY SA LTD- 12248190 - Incorporated on 7 October 2019 
- QUADRIGIS LTD- 14364824 - Incorporated on 20 September 2022 
- QUADRILL LTDActive - Proposal to Strike off- 08453014 - Incorporated on 20 March 2013 
- QUADRING LTDActive - Proposal to Strike off- 13893582 - Incorporated on 4 February 2022 
- QUADRINK LTD- 16015384 - Incorporated on 14 October 2024 
- QUADRION LTD- 16580248 - Incorporated on 14 July 2025 
- QUADRIANA LTDActive - Proposal to Strike off- 09914257 - Incorporated on 14 December 2015 
- QUADRIGAX LTDDisolved- SC779786 - Dissolved on 21 January 2025 
- QUADRIFOGLIO UKopen- BR020722 - Incorporated on 1 October 2018 
- QUADRIFOGLIO LTD- 12695646 - Incorporated on 24 June 2020 
- QUADRIGLOO LTDActive - Proposal to Strike off- 15629211 - Incorporated on 9 April 2024 
- QUADRILARA LTD- 16316459 - Incorporated on 14 March 2025 
- OLUWAMUYIWA ADEGOKE NWACHI LTDDisolved- 14426355 - Dissolved on 26 March 2024 
- QUADRILLE LTDregistered- OE024710 - Incorporated on 8 February 2023