Led by Olga Eftychidou, George Kolokythas, and Theodora Antonopoulou, Sioufas & Associates Law Firm excels in litigation across employment, finance, IP, and public law. Eftychidou has extensive experience in NPEs and NPLs, advising clients on enforcement, restructuring, and insolvency issues. Antonopoulou focuses on judicial enforcement. Nikolaos Katiforis has deep experience in administrative law and public procurement issues. Marios Sioufas represents banks in litigation before the Greek courts. Marios-Panagiotis Skouras specialises in banking and finance disputes.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘The lawyers are highly trained in specific areas, so clients know which department and which lawyer to contact. This saves the client time, especially if the problem they are facing is very urgent. They are also very good at using technology.’
  • ‘They are very good at what they do. Their legal advice and documents are concise and make you feel secure.’
  • ‘The team at Sioufas & Associates is distinguished by its strong expertise, professionalism, and client-oriented approach. They combine deep legal knowledge with practical solutions, handling complex disputes with confidence and efficiency. What sets them apart is their collaborative culture, responsiveness, and commitment to innovation, whether through technology, transparency, or inclusiveness.’
  • ‘The individuals I have worked with stand out for their professionalism, responsiveness, and practical approach. In particular, Olga Eftychidou demonstrates exceptional expertise, strategic insight, and strong commitment, making her a highly trusted and valuable partner to work with.’
  • ‘Unique fusion of specialised knowledge, innovative approach and unwavering client dedication which marks them as a strategic partner in resolving and, more importantly, preventing complex legal issues. What makes their practice distinctive and unique relates to a strong focus on strategy and proactive counsel leveraged by multifaceted and focused expertise.’
  • ‘Exceptional responsiveness and powerful team spirit and collaboration.'

Key clients

  • NBG Pay S.A.
  • Range Rover S.A.
  • Scania S.A.
  • Mccormick S.A.
  • Agromelca, S.L.
  • Perfetti Van Melle Hellas SA
  • A.g.e.t. Heraklis S.A.
  • Metlen Energy & Metals S.A.
  • Levante Ferries Group
  • Courier Center S.A.
  • Mainalon S.A.
  • Hazera Hellas S.A.

Work highlights

Represented a client in an international joint venture dispute, securing interim legal protection, and ultimately negotiating a settlement that granted the client full control of a globally recognised luxury brand (deal value €11,6 mil).
 

 
Represented Aclient, one of Greece’s large systemic banks, in a case to recover unpaid rent and reclaim a high-value commercial property, ensuring the protection and optimal use of the bank’s real estate assets (deal value €1,3 mil).
Practice head

Olga Eftychidou; George Kolokythas; Theodora Antonopoulou

Other key lawyers

Nikolaos Katiforis; Marios Sioufas; Marios-Panagiotis Skouras