- IONUT T LTDDisolved- 15409158 - Dissolved on 17 June 2025 
- COSTINEL LTDDissolved- 10859361 - Dissolved on 17 December 2019 
- COSTINEX LTDDisolved- 14422517 - Dissolved on 29 April 2025 
- UNIDACO LTD- 09422001 - Incorporated on 4 February 2015 
- JOHN MEDIAPRO LTD- 14751541 - Incorporated on 23 March 2023 
- COSTIN ION LTD- 10477066 - Incorporated on 14 November 2016 
- TONY COSTIN LTD- 07088457 - Incorporated on 27 November 2009 
- JB COSTINGS LTDDisolved- 12228461 - Dissolved on 9 November 2021 
- COSTIN POPA LTDActive - Proposal to Strike off- 10558870 - Incorporated on 11 January 2017 
- COSTINOVI LTDDisolved- 14610929 - Dissolved on 25 June 2024 
- IAV CARGO LTDDisolved- 14599395 - Dissolved on 13 August 2024 
- COSTIN GUTU LTD- 10776152 - Incorporated on 17 May 2017 
- PL COSTINGS LTD- 16437009 - Incorporated on 8 May 2025 
- IONUTY LTDActive - Proposal to Strike off- 11565897 - Incorporated on 12 September 2018 
- COSTIN ESTATES LTDDisolved- 11631656 - Dissolved on 13 December 2022 
- COSTIN OPREA LTDActive - Proposal to Strike off- 10217274 - Incorporated on 6 June 2016 
- COSTIN FLYRES LTDActive - Proposal to Strike off- 11394941 - Incorporated on 4 June 2018 
- COSTIN COMMERCIALS LIMITED- 05714682 - Incorporated on 20 February 2006 
- COSTIN TRANSPORT LTDDisolved- 13759097 - Dissolved on 16 May 2023 
- COSTIN LOGISTICS LTDActive - Proposal to Strike off- 13870772 - Incorporated on 25 January 2022