- ION MARA LTDDissolved- 07516800 - Dissolved on 18 September 2012 
- IONEUM LTD- 06570963 - Incorporated on 21 April 2008 
- IONICO LTD- 08703399 - Incorporated on 24 September 2013 
- ION&NELU LTDDisolved- 12603547 - Dissolved on 19 October 2021 
- IONCEA LTD- 13485535 - Incorporated on 30 June 2021 
- GELU ION LTDDisolved- 13493818 - Dissolved on 9 May 2023 
- ION WIND LTD- SC640915 - Incorporated on 6 September 2019 
- MISU ION LTDActive - Proposal to Strike off- 09707190 - Incorporated on 28 July 2015 
- ION POPA LTD- 10990650 - Incorporated on 2 October 2017 
- IONDRZ LTDDisolved- 13768835 - Dissolved on 16 May 2023 
- IONITE LTD- 13839693 - Incorporated on 10 January 2022 
- AMY IONS LTD- 13511824 - Incorporated on 15 July 2021 
- IONELA LTDDisolved- 13891536 - Dissolved on 15 August 2023 
- IONICA D&B LTDDisolved- 14281004 - Dissolved on 24 September 2024 
- IONTAX LTDDisolved- 14454112 - Dissolved on 2 April 2024 
- ION PACK LTD- 15243779 - Incorporated on 28 October 2023 
- IONCAM LTD- 15915136 - Incorporated on 23 August 2024 
- WASTE DISPOSAL AND HOUSE CLEARANCE LIMITEDActive - Proposal to Strike off- 12666433 - Incorporated on 12 June 2020 
- IONUTY LTDActive - Proposal to Strike off- 11565897 - Incorporated on 12 September 2018 
- IONYRE LTDDisolved- SC633881 - Dissolved on 12 July 2022