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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Gregory Vlachos


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


Gregory was born in 1973 in Livadia. He joined the firm in January 2001.



Gregory has obtained his law degree as well as his master's degree from the University of Athens Law School (LL.B., 1995, LL.M., cum laude, 1998). He holds a master's degree in Business Administration (M.Sc., 2001) from the Athens Laboratory of Business Administration (ALBA) and a master's degree in Taxation (M.S. Taxation, 2007) from the Research Centre of the Athens University of Economics and Business.


Practice areas

  • Banking & Insurance
  • Corporate & Commercial
  • Mergers & Acquisitions
  • Energy & Renewable Energy Law
  • Media & Entertainment
  • Industrial & Intellectual property
  • Taxation & Customs
  • Litigation, Arbitration, Mediation
  • White Collar Crime
  • Real Estate & Property Law


Professional activities

2015 - Member of Hellenic Criminal Bar Association

2012- Member of International Experts.

2009- Licensed for litigation before the Supreme Court of Greece

2006 - Member of the Word Services Group 

2002- Licensed for litigation before the Court of Appeals of Athens

2002 - Member of the Hellenic Association of Civil Law 

2001 - Member of the ALBA Alumni Association 

2000 - Member of the Hellenic Association of Commercial Law 

1997 - Member of the Athens Bar

Before joining the firm in 2001, Gregory had been specialized in aspects of civil and penal litigation at various local law firms. His main fields of practice include both litigation and legal consulting. He has extensive experience in resolving complex disputes in the areas of commercial and civil litigation and arbitration, with an emphasis on international disputes. His practice also includes several high-profile criminal proceedings. In his career, Gregory has represented several multinational Groups and professional associations, as well as individuals, in all kind of litigation proceedings before the Greek Courts. Described from his clients as “highly professional and extremely capable” and someone who shows “unique dedication”, he is praised for his “diligent, thorough and practical approach”.



  • 2015 - Contributor to the Greek Chapter of “Arbitration in Southern Europe: Insights from a Large-Scale Empirical Study” (26 The American Review of International Arbitration 187-268, 2015).
  • 2011: “HOW TO ATTRACT FOREIGN INVESTMENT IN GREECE”, Acquisition International Magazine.·
  • 2009: “ARBITRATING DISPUTES IN GREECE”, Survey of the Investing across Borders Project. WORLD BANK GROUP
  • 2001: “MERGERS § ACQUISITIONS 2001” in Getting the Deal Through, Law Business Research  



  • Silver Client Champion award (1% of reviewed attorneys) by Martindale Hubbell Directory.
  • Real Estate Lawyer of the Year 2017 – Greece by BUILD Magazine
  • Named as “Best Real Estate Lawyer – Greece” in the Build-News Awards 2015, AI Global Media.
  • Ranked in the Tax Directors Handbook 2015 as a leading tax lawyer.
  • Ranked in the Legal 500 Directory as a leading tax litigator.
  • Ranked as one of the pre-eminent lawyers in Greece (5.0 out of 5) by the Client Review Rating of Martindale Hubbell Directory.
  • Ranked as one of the “up and coming” litigators in Greece, Chambers & Partners Europe Directory.
  • Ranked as one of the top litigators in Greece, Chambers & Partners Global Directory.
  • Voted as “Most Trusted Lawyer of the Year, Greece” in the Lawyer Monthly Legal Awards 2012. 


Foreign Languages


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