Maillis S.A.

Sarantitis Law Firm, is advising the Greek Multinational Industrial Group M.J. Maillis S.A. on all aspects of its legal affairs and in connection with more than ten foreign jurisdictions.

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New Proton Bank

Sarantitis Law Firm represented New Proton Bank in a €400m claim against 28 major shareholders of the former Proton Bank, now under liquidation. Team headed by Theodora Monochartzis.

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Casino Loutraki

Sarantitis advised owners in respect of a new equity investment following the financial restructuring of the Casino. Team headed by Dorotheos Samoladas

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Casino Rodos

Sarantitis advised QLI Group in respect of a restructuring agreement of Company's debt, with its lending banks. Team headed by Dorotheos Samoladas

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ISO 9001 certified

Since 2017, Sarantitis Law Firm is ISO 9001 certified.

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Sarantitis Law Firm participated in project initiated by DG ENER/Directorate General for Energy of EU

Sarantitis participated, through its Energy Practice, in a high profile and material in scale project that has been initiated by DG ENER/Directorate General for Energy of EU. The question DG Ener set to be answered by all European jurisdictions was “Do current regulatory frameworks in the EU support deployment of innovation and security of supply in electricity and gas infrastructure?”.

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Sofrini Sideri

Junior associate

email: This email address is being protected from spambots. You need JavaScript enabled to view it.
tel: +30.2103670400
fax: +30.2103621595

Sofrini Sideri was born in 1995 in Athens. She joined the firm in 2018 as a trainee lawyer and is now a junior associate in the Athens office. 

She obtained her law degree from the Faculty of Law of the National and Kapodistrian University of Athens in 2018. She was an Erasmus student at the Ludwig Maximilian University of Munich, Germany. She obtained a master degree (M.Sc.) in the subject area of Banking & Finance Law from the University of Piraeus (2019) and a master degree (LL.M.) in the area of European and International Business Law from the Ludwig Maximilian University of Munich (2021) as well. 


  • Corporate & Commercial Law
  • Banking & Finance
  • Civil Law
  • Litigation


Member of the Athens Bar Association since 2020.


English, German, French.