THESIS LAW FIRM is known for its ‘extensive experience in cross-border transactions’, including M&A and NPLs, and its sector expertise in hospitality, real estate, infrastructure, entertainment, and gaming. Practice head Kloy Tsiaga advises on business structuring, company establishment, and complex commercial and financial agreements. Eleni Pradalou focuses on corporate, commercial, finance, and NPL matters. Marios Bouloukos, Angeliki Pappa, Vassiliki Kakkava and Sophia Antonopoulou are also key contacts.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • ‘I’ve greatly valued their deep legal expertise, collaborative approach, and commitment to excellence. The individuals I’ve worked with are not only highly knowledgeable but also multilingual, which adds significant value in cross-border matters. They are proactive, solutions-oriented, and incredibly responsive. ’
  • ‘Well structured / functioning practice based on an equally well composed team that offers in depth coverage of the commercial / corporate / M&A fields with services that can be delivered to both local and international corporate or individual clients both locally and internationally. One of the very few multilingual top law firms in Greece with proven excellent command of the necessary English or French terminology across the full board of provided services.’
  • ‘Kloy Tsiaga stands out as being able to explain complex legal situations to her clients allowing them to understand the progress of their cases.’
  • ‘The team combines deep knowledge of Greek and international corporate law with a practical, commercially aware approach that resonates with executive decision makers. Clients benefit from lean, partner-led teams, multilingual capabilities, and seamless coordination with local counsel in multiple jurisdictions. Compared to peers, Thesis is less bureaucratic, more agile, and consistently delivers tailored solutions under tight timelines.'
  • ‘The individuals we work with at Thesis consistently demonstrate technical excellence, strategic thinking, and personal commitment. Associates are proactive, solutions-oriented, and effective in balancing risk management with deal momentum.’
  • ‘This practice is unique in combining deep legal expertise with a clear, commercially minded approach. Clients value the team’s responsiveness, cross-border capabilities, and ability to deliver practical solutions rather than just opinions. Compared to other firms, they stand out for their consistency, cost-efficiency, and forward-looking use of technology, flexible billing, and collaborative culture.’

Key clients

  • SINGER FRANCE SAS GROUP
  • OMO MYKONOS SA
  • PARAGA BEACH SA
  • Q HELLAS PC
  • VEL INVESTMENT FUND AIFLNP V.C.I.C. LTD
  • SFR HOME EQUIPMENT SRL
  • WHITEBLUE REAL ESTATE INVESTMENTS PC
  • ZANZAR HELLAS LTD
  • TRIO BAMBINI GROUP
  • VASACO SA

Work highlights

Providing comprehensive legal support to Singer France SAS, a French trading company owned by Greek clients, advising on and negotiating distribution and licensing agreements governed by English law.
Offering extensive legal support to VEL INVESTMENT FUND AIFLNP V.C.I.C. Limited, a regulated investment fund that sold several of its wholly owned subsidiaries and negotiates the purchase of companies in different jurisdictions.
Delivering extensive legal support to Paraga Beach SA, a Greek company within the Soho House Group and operator of the renowned “Scorpios Mykonos”, addressing corporate compliance, commercial contracts, operational licences, and intricate cross-border legal matters.
Practice head

Kloy Tsiaga

Other key lawyers

Eleni Pradalou; Angeliki Pappa; Vassiliki Kakkava; Sophia Antonopoulou; Marios Bouloukos