- AC ION LTD- 12996228 - Incorporated on 4 November 2020 
- A. IONA LTDDisolved- 14216584 - Dissolved on 5 December 2023 
- IONQ LTD- 15461921 - Incorporated on 2 February 2024 
- IONY LTDDisolved- 15307574 - Dissolved on 29 April 2025 
- MR & MR LTD- 16489396 - Incorporated on 2 June 2025 
- ION IP LTD- 06869313 - Incorporated on 3 April 2009 
- FR ION LTDDisolved- 12647849 - Dissolved on 8 February 2022 
- FU5ION LTDActive - Proposal to Strike off- 11739087 - Incorporated on 21 December 2018 
- VI5ION LTD- 13315454 - Incorporated on 6 April 2021 
- SF ION LTDDisolved- 13046271 - Dissolved on 3 May 2022 
- ION.C (UK) LTDDisolved- 14370964 - Dissolved on 13 May 2025 
- CN ION LTDActive - Proposal to Strike off- 09671247 - Incorporated on 6 July 2015 
- ION TV LTD- 10332991 - Incorporated on 17 August 2016 
- ION VP LTD.- 13629183 - Incorporated on 17 September 2021 
- VIORELVU BUILDING LTDDisolved- 13993499 - Dissolved on 22 August 2023 
- MR MR LTDActive - Proposal to Strike off- 15533685 - Incorporated on 1 March 2024 
- QBS CONSTRUCTION LTD- 10644065 - Incorporated on 28 February 2017 
- IONV LTDDisolved- 12823167 - Dissolved on 1 February 2022 
- ID8ION LTDActive - Proposal to Strike off- 09645119 - Incorporated on 18 June 2015 
- IONP LTDDisolved- 13320704 - Dissolved on 13 September 2022