Anastasios A. Antoniou

Anastasios A. Antoniou

Partner, Advocate

Antoniou McCollum & Co.

Griva Digheni Avenue 36L
3rd floor, Lapithion Megaro
Nicosia 1066

Phone +357 22 053 333
Fax +357 22 053 330
E-mail Send an email

Lawyer's Profile

Anastasios A. Antoniou practices the law in Cyprus as an Advocate of the Supreme Court. Anastasios is ranked as a leading Cyprus lawyer by The Legal 500, Who’s Who Legal, Best Lawyers International and IFLR1000 in his practice areas of expertise. He has also received the ILO/Lexology Client Choice Award for competition law.

He established his law practice in 2009, having qualified and practiced at a major Cyprus law firm before setting up his own law firm. His law practice operated independently before collaborating with EY in Cyprus, which Anastasios led as managing advocate. The practice now operates independently as Antoniou McCollum & Co, a Cyprus regulated law firm.

Anastasios advises on competition law and commercial law. At the same time, he is a renowned litigator and appears before all courts of Cyprus and international tribunals in high-profile cases involving corporate, commercial, human rights and constitutional issues, while he also represents parties in international commercial arbitration and has hands-on international investment arbitration expertise.

Bar Admission

Cyprus Bar Association


• European Competition Lawyers Forum
• Association of International Petroleum Negotiators
• British Institute of International and Comparative Law
• International League of Competition Law

Languages Greek, English, Spanish

Joined the Law Firm in 2009

Lawyer's Areas of Practice

Additional Practice Areas: European Union Law, Merger Control, International Commercial Arbitration

Litigation Percentage 50%


Professional Experience

• Heading the Ernst & Young (EY) law practice in Cyprus as sole shareholder and managing advocate
• Practicing Cyprus and EU law as an Advocate of the Supreme Court of Cyprus and ranked as a leading lawyer in competition law and merger control, shipping law, energy law and international law by eminent ranking houses, including The Legal 500, Who's Who Legal, IFLR1000 and Best Lawyers International.
• Handling matters in practice areas of expertise: merger control, competition law, maritime and shipping law, commercial litigation and international commercial/investment arbitration
• Appearing as counsel before national and international courts and arbitration tribunals in high-profile maritime, energy, competition and international law disputes

Indicative recent work
• Advising and acting for Gazprom in notification and clearance of cross-border transaction
• Advising and acting for Glencore in notification and clearance of cross-border transaction
• Advising and acting for Unilever in notification and clearance of cross-border transaction
• Advising Fujitsu General on dispute resolution issues involving competition and distribution law
• Advising Marathon Oil in relation to EU, commercial, dispute resolution and international law issues
• Acting for International Lease Finance Corporation in a dispute resolution matter
• Advising CGG and PGS on Cyprus law aspects
• Acting for Western Union in notification and clearance of a cross-border acquisition
• Acting for Bank of Cyprus in commercial litigation
• Advising the Organization for Security and Co-operation in Europe on European Union and international law
• Advising Transocean on Cyprus and EU law issues
• Advising the Czech Republic and Czech Airlines on Cyprus merger control matters
• Acting for Henkel in notification and clearance of a cross-border acquisition


• Cyprus Chapter, The International Comparative Legal Guide to Merger Control 2013-2016
• Cyprus Chapter, Merger Control 2012-2016 Getting the Deal Through
• Cyprus Chapter, Litigation & Dispute Resolution, Global Legal Insights series, 2013
• The Essential Facilities Doctrine before European Community Courts: Ostracized or Expanded? (2010) Cyprus and European Law Review
• Increasing Rights Protection in the EU: the Charter of Fundamental Rights in Trajectory of Enforcement (2009) 4 Hellenic Review of European Law 97


• Southampton Maritime Law Course
• International Investment Arbitration (UNITAR)

Past Employment Positions

• Managing Advocate, EY Law Cyprus (A. A. Antoniou & Associates LLC, previously Anastasios Antoniou LLC) - Law leader, EY Cyprus
• Advocate, Andreas Neocleous & Co LLC


• Kingston University
• London School of Economics

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