- STANDARD DOM LIMITEDActive - Proposal to Strike off- 09173794 - Incorporated on 13 August 2014 
- I SRB LTD- 13076154 - Incorporated on 10 December 2020 
- ALTCOIN TRADES LTD- 09239359 - Incorporated on 29 September 2014 
- COSTINA LTDActive - Proposal to Strike off- 09601294 - Incorporated on 20 May 2015 
- COSTINI LTDActive - Proposal to Strike off- 09788130 - Incorporated on 22 September 2015 
- COSTIN TM LTDDisolved- 14376430 - Dissolved on 6 May 2025 
- SYOPS LIMITED- 11154464 - Incorporated on 17 January 2018 
- RC ARCHITECTURAL LTD- 10652814 - Incorporated on 6 March 2017 
- COSTINE LTD- 13586837 - Incorporated on 26 August 2021 
- COSTINA LTDDisolved- 10812364 - Dissolved on 20 December 2022 
- T.IONUT LTDActive - Proposal to Strike off- 10282521 - Incorporated on 16 July 2016 
- IONUT R&B LTDDisolved- 13365309 - Dissolved on 27 June 2023 
- D O N IONUT LTDActive - Proposal to Strike off- 10774025 - Incorporated on 16 May 2017 
- B&B IONUT LTDDisolved- 12931434 - Dissolved on 20 December 2022 
- IONUT R&B LTDActive - Proposal to Strike off- 15018404 - Incorporated on 21 July 2023 
- IONUT K LTDActive - Proposal to Strike off- 13285727 - Incorporated on 23 March 2021 
- IONUT120 LTDActive - Proposal to Strike off- 14942482 - Incorporated on 18 June 2023 
- THINAI LIMITEDDisolved- 10463022 - Dissolved on 7 November 2023 
- IONUT D O LTDDisolved- 14155959 - Dissolved on 14 November 2023 
- IONUT V M LTDDisolved- 14281614 - Dissolved on 24 September 2024