- IONCAR LTDDisolved- 13797304 - Dissolved on 6 June 2023 
- IONARU LTDDisolved- 15542201 - Dissolved on 4 March 2025 
- ION GUTA LTD- 14445718 - Incorporated on 26 October 2022 
- ION ALEX LTD- 14774558 - Incorporated on 2 April 2023 
- IONICK LTDDisolved- 15127542 - Dissolved on 18 February 2025 
- ION CONS 85 LTDDisolved- 15441292 - Dissolved on 1 July 2025 
- IONICO LTDActive - Proposal to Strike off- 06792017 - Incorporated on 15 January 2009 
- IONIZE LTDActive - Proposal to Strike off- 07938689 - Incorporated on 7 February 2012 
- K`IONGYA LTDActive - Proposal to Strike off- 07281445 - Incorporated on 11 June 2010 
- ION CCTV LTDActive - Proposal to Strike off- NI623775 
- IONTEK LTDDisolved- 12289934 - Dissolved on 25 April 2023 
- IONISS LTDDisolved- 12668486 - Dissolved on 4 March 2025 
- IONAS MM LTDActive - Proposal to Strike off- 09871817 - Incorporated on 13 November 2015 
- IONA NW (SLP) LP- SL024158 - Incorporated on 8 December 2015 
- IONIUM LTDDisolved- 11020336 - Dissolved on 27 May 2025 
- HEMP-ION LTDActive - Proposal to Strike off- 11043097 - Incorporated on 1 November 2017 
- IONGHE LTDActive - Proposal to Strike off- 11076522 - Incorporated on 22 November 2017 
- RAUL ION LTDActive - Proposal to Strike off- 11659274 - Incorporated on 5 November 2018 
- IONA WSC LLP- OC435672 - Incorporated on 23 February 2021 
- IONA DSU LTDDisolved- 12973150 - Dissolved on 29 March 2022