- SERGIU CONSTANTIN LTD- 12262369 - Incorporated on 15 October 2019 
- CONSTANTIN LADAN LTDActive - Proposal to Strike off- 12288745 - Incorporated on 29 October 2019 
- CONSTANTIN CONSTRUCTION LTDActive - Proposal to Strike off- 11055724 - Incorporated on 9 November 2017 
- CONSTANTIN DECORATING LTDActive - Proposal to Strike off- 11213578 - Incorporated on 19 February 2018 
- GC CONSTANTIN LTDActive - Proposal to Strike off- 10556584 - Incorporated on 10 January 2017 
- SMART CONSTANTIN LIMITEDActive - Proposal to Strike off- 11577349 - Incorporated on 19 September 2018 
- CONSTANTIN TRADE LTDActive - Proposal to Strike off- 11709737 - Incorporated on 4 December 2018 
- IULIAN CONSTANTIN LTD- 12857953 - Incorporated on 4 September 2020 
- VASILE CONSTANTIN LTDDisolved- 13509094 - Dissolved on 17 January 2023 
- PETRU CONSTANTIN LIMITEDDisolved- 13809716 - Dissolved on 6 February 2024 
- CONSTANTIN TESLARIU LTDDisolved- 13896285 - Dissolved on 10 December 2024 
- CONSTANTIN SOLUTIONS LIMITEDDisolved- 14084356 - Dissolved on 10 October 2023 
- CONSTANTIN & CRISTIAN LTDDisolved- 14209300 - Dissolved on 5 December 2023 
- CIOLOVAN CONSTANTIN LIMITEDDisolved- 14411124 - Dissolved on 19 March 2024 
- CONSTANTIN CLC LIMITEDActive - Proposal to Strike off- 14916141 - Incorporated on 5 June 2023 
- CONSTANTIN OVIDIU LIMITED- 14074246 - Incorporated on 27 April 2022 
- SAVU-CONSTANTIN LTDDisolved- 14614825 - Dissolved on 2 July 2024 
- CONSTANTIN SIMIONESCU LTDDisolved- 13753221 - Dissolved on 16 May 2023 
- ANI CONSTANTIN LTDDisolved- 14838055 - Dissolved on 1 October 2024 
- CONSTANTIN OLARU LTDActive - Proposal to Strike off- 15517005 - Incorporated on 23 February 2024