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- CONSTANTINFLORIANBUILDANDTRADESOLUTIONS LTDDisolved- 14379291 - Dissolved on 5 March 2024 
- A CONSTANTINOU LTDActive - Proposal to Strike off- 11752194 - Incorporated on 7 January 2019 
- CONSTANTINCIPRIAN LTD- 09769948 - Incorporated on 9 September 2015 
- M. CONSTANTINE LTD- 10364335 - Incorporated on 7 September 2016 
- CONSTANTINNE23 LTDDisolved- 10416308 - Dissolved on 12 December 2023 
- CONSTANTINESCU LTDActive - Proposal to Strike off- 10696336 - Incorporated on 29 March 2017 
- CONSTANTINE 25 LTDActive - Proposal to Strike off- 10731169 - Incorporated on 20 April 2017 
- I CONSTANTIN LTDDisolved- 10770798 - Dissolved on 24 January 2023 
- CONSTANTINE K LTDDisolved- 10973498 - Dissolved on 26 April 2022 
- L CONSTANTIN LTD- 13054808 - Incorporated on 1 December 2020 
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- ALEXANDRU INVEST LIMITEDActive - Proposal to Strike off- 08179936 - Incorporated on 14 August 2012 
- ALEXANDRU HUMA LIMITEDActive - Proposal to Strike off- 08769703 - Incorporated on 11 November 2013 
- MARIAN-ALEXANDRU LTDActive - Proposal to Strike off- 10822607 - Incorporated on 16 June 2017 
- ALEXANDRU NICUSOR LTDActive - Proposal to Strike off- 10810954 - Incorporated on 9 June 2017