- PJ COX LTD.Active - Proposal to Strike off- 06189212 - Incorporated on 28 March 2007 
- COXO LTD.- 08123647 - Incorporated on 28 June 2012 
- AP COX LTDDisolved- 08456504 - Dissolved on 22 October 2024 
- BC COX LTDActive - Proposal to Strike off- 10051999 - Incorporated on 9 March 2016 
- DT COX LTDDisolved- 12531354 - Dissolved on 30 January 2024 
- D T COX TM LTDDisolved- 12528650 - Dissolved on 7 June 2022 
- ZV COX LTDActive - Proposal to Strike off- SC724754 - Incorporated on 1 March 2022 
- EN COX LTDActive - Proposal to Strike off- 14005120 - Incorporated on 28 March 2022 
- MP COX LTDDisolved- 14072421 - Dissolved on 2 July 2024 
- KT COX LTDDisolved- 14296896 - Dissolved on 21 January 2025 
- ED COX LTD- 09913063 - Incorporated on 11 December 2015 
- COXX LTD- 08545696 - Incorporated on 28 May 2013 
- MN COX LTDDisolved- 13632558 - Dissolved on 11 July 2023 
- OL COX LTDDisolved- 13667840 - Dissolved on 28 March 2023 
- COX TM LTDDisolved- 13097168 - Dissolved on 31 May 2022 
- VC COX LTDDisolved- 14129772 - Dissolved on 22 August 2023 
- GD COX LTDDisolved- 13717784 - Dissolved on 22 April 2025 
- OF COX LTDDisolved- 13721660 - Dissolved on 15 April 2025 
- XM COX LTDActive - Proposal to Strike off- 13943408 - Incorporated on 28 February 2022 
- FIRST COMPUTERS (EAST ANGLIA) LIMITED- 07185816 - Incorporated on 11 March 2010