Evanthia V. Tsiri

Senior Partner

Evanthia is a Senior Partner and founder of Stavropoulos & Partners Law Office, focusing particularly on EU and competition law, mergers and acquisitions, corporate and commercial law, real estate law, litigation and dispute resolution and banking and finance law. She worked in Brussels in the period 1983-1984 for a law firm specializing in EU law and she has more than 30 years of professional experience. From 1985 to 2009 she was also a member of the Legal Department of the Bank of Greece and deputy head of the Banking and Credit Issues Section.

She has a client portfolio that includes national and multinational corporations, listed and privately owned, and institutional investors. She has extensive experience in assisting clients with setting up joint ventures, implementing corporate restructuring and acquisition projects. She has taken part in large-scale mergers and acquisitions projects, domestic and international share and asset transactions, local and cross-border mergers and post-merger integrations, advising on the full spectrum of issues in relation thereto, negotiating and drafting share purchase contracts, joint venture and shareholders agreements, advising on stock exchange and finance law aspects in mergers and acquisitions and corporate restructuring projects.

Evanthia has acted (or still currently acts) as a general corporate counsel to financial institutions and multinationals in the industrial and services sectors. She has significant experience in modern finance methods and has dealt with many finance projects representing national and multinational companies and local credit institutions, investment firms and institutional investors. As member of the Legal Department of the Bank of Greece, Evanthia participated as expert in various groups and committees established by the European Institutions and also served as member of various legislative committees on banking and finance-related issues. Her role was instrumental in the preparation of all contractual and regulatory arrangements for the integration of Greece into the Eurosystem.

In real estate, she has been extensively involved in high-end development projects handling a variety of complex corporate, commercial and mergers and acquisitions-related real estate matters. She also has strong experience in litigation, arbitration and dispute resolution cases, with particular emphasis on the real estate field. Most recent assignments include handling of a multi-million dispute both at courts and in arbitration proceedings in the context of a construction contract for one of the biggest investments in the hotel business as well as counseling to a major real estate developer in a landmark mergers and acquisitions project.

In EU law she advises on a broad range of issues and has considerable experience in this field. She has deep knowledge of EU and Greek competition law matters and has been engaged in substantial contentious and non-contentious cases in this area with most recent work highlights acting for major multinationals in the food and beverage sector in cases of alleged abuse of dominance as well as horizontal and vertical restrictions.

Efi Tsiri is sharp, analytical, and stands out for her strategically aware advice and excellent technical legal skills. She is efficient, pragmatic and solutions-driven. She is vastly experienced in representing clients in the administrative and civil courts and before the regulatory authorities.

Client Testimony

Efi Tsiri is an exceptional competition law counsel. She is sharp and analytical and stands out for her strategic vision and experience. She is technically strong and shows excellent attention to detail.

Client Testimony


Admitted to Bar 1983, Athens

Admitted to the Supreme Court of Greece, 2002


University of Athens Law School (LL.B., 1981)

College of Europe, Bruges, Belgium (LL.M. in European Law, 1982)

Free University of Brussels, Belgium (LL.M. in European Law, with Distinction, 1983)

Stage with the Commission of the European Communities, Internal Market and Industrial Affairs (1983)





Contribution in “The International Comparative Legal Guide to: Vertical Agreements and Dominant Firms 2020″

Co-Author, Global Legal Group, 4th edition, Athens, 2020

Contribution in “The International Comparative Legal Guide to: Vertical Agreements and Dominant Firms 2019″

Co-Author, Global Legal Group, 3rd edition, Athens, 2019

Contribution in the “Practical guide for the compliance of enterprises to the competition rules”

Working group of the Hellenic Federation of Enterprises for “Competition & the Market”, Athens, May 2019

Article on "VAT on Bad Debts Case: A Good Paradigm"

Business Partners, American-Hellenic Chamber of Commerce, Athens, April 2019

Contribution in “The International Comparative Legal Guide to: Competition Litigation 2019”

Co-Author, Global Legal Group, 11th edition, Athens, 2019

Speech on “The increasing importance of paralegals in the organization of a contemporary law office”

Conference on "Defining the profession of paralegals in the contemporary legal reality", 3rd Graduation Ceremony of Paralegals, organized by Nomiki Bibliothiki, Athens, July 2018

Speech on "Practices of undertakings holding market power"

Conference on “Competition on the merits. The Dos and Dont's of compliance”, organized by the Hellenic Federation of Enterprises, Athens, June 2018

Contribution in “The International Comparative Legal Guide to: Competition Litigation 2018”

Co-Author, Global Legal Group, 10th edition, Athens, 2018

Contribution in “The International Comparative Legal Guide to: Competition Litigation 2017”

Co-Author, Global Legal Group, 9th edition, Athens, 2017

Contribution in “The International Comparative Legal Guide to: Competition Litigation 2016”

Co-Author, Global Legal Group, 8th edition, Athens, 2016

Speech on "EU Directive 2007/64, The recent developments under Community Law in Payment Services"

Conference on SEPA organized by the Hellenic-Dutch Association, Athens, April 2008

Speech on "The investments of Greek residents in the European Community and the East countries"

Conference organized under the auspices of the European Commission, minutes published by Association of Societes Anonymes and Limited Liability Companies, 1991

Contribution in the Greek section of FT Management Reports on European Insurance Law, European Banking Law and European Company Law

Financial Times Business Information Ltd, London 1987