- LU & KAY CICDisolved- 15150654 - Dissolved on 18 March 2025 
- KAYJ LTD- 15260610 - Incorporated on 4 November 2023 
- KAYA20 LTD- 13630803 - Incorporated on 20 September 2021 
- KAY IP LTD- 15740448 - Incorporated on 25 May 2024 
- KAY PB LTD- SC821288 - Incorporated on 1 September 2024 
- N1 KAYA LTD- 15978510 - Incorporated on 25 September 2024 
- N.J.KAYE LTDDissolved- 06744034 - Dissolved on 10 December 2013 
- KAYA 2014 LTDActive - Proposal to Strike off- 08881171 - Incorporated on 7 February 2014 
- KAYO-G LTDActive - Proposal to Strike off- 10284763 - Incorporated on 18 July 2016 
- KAYN LTDDisolved- 13333421 - Dissolved on 20 June 2023 
- KAYD LTDDisolved- 11980864 - Dissolved on 14 December 2021 
- KAY & M (UK) LTDDisolved- 12804466 - Dissolved on 10 June 2025 
- KAY-MO LTDActive - Proposal to Strike off- 10337925 - Incorporated on 19 August 2016 
- JF KAY LTD- 11327865 - Incorporated on 25 April 2018 
- 4KAYS LTDDisolved- 12293017 - Dissolved on 17 January 2023 
- KAYO LTD- 12373144 - Incorporated on 20 December 2019 
- KAYH LTDDisolved- 12360064 - Dissolved on 17 May 2022 
- KAYA4Q LTDDisolved- 13009668 - Dissolved on 19 April 2022 
- XS KAY LTDDisolved- 13551505 - Dissolved on 6 February 2024 
- OL KAY LTDDisolved- 13673228 - Dissolved on 25 July 2023