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Anastasios A. Antoniou

Work +35722053333
Antoniou McCollum & Co. LLC

Work Department

EU and Competition


Anastasios A. Antoniou is a partner at Antoniou McCollum & Co., advising the firm's clients on commercial, competition and regulatory matters.


Anastasios heads the EU and Competition Law practice of Antoniou McCollum & Co. and advises clients on competition, merger control, State aid, regulatory and emerging technology matters.  He has been consistently ranked by The Legal 500 as leading individual in EU law and Competition law.

The clients Anastasios advises are active in a range of sectors including technology, banking, retail, private equity and investment management.

Immediately prior to co-founding Antoniou McCollum & Co. Anastasios was country law leader of a 'Big4' global firm and his law firm was a member firm of that organisation.  He first established his practice in 2009, having previously worked as an associate at a top tier law firm.

He is the Cypriot member of the European Competition Lawyers Forum.  He was appointed by the European Commission as a member of the EU Blockchain Observatory & Forum in relation to regulatory matters.  He has authored a number of articles and book chapters on competition and international law.

Anastasios also represents clients in high-profile commercial and investment litigation and arbitration disputes.


English, Spanish, Greek


Cyprus Bar Association


London School of Economics and Kingston University. Advocate of the Supreme Court of Cyprus and member of the Cyprus Bar Association.


EU and competition

Within: Leading individuals

Anastasios A. Antoniou - Antoniou McCollum & Co. LLC

Within: EU and competition

Antoniou McCollum & Co. LLC has a proven track record in EU and competition matters. It has been advising a global software company on its data protection arrangements with third parties. In other matters, the team assisted a major international corporation with various antitrust matters. Clients include Visa. Anastasios A. Antoniou is highly regarded.

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Cyprus: Merger Control (3rd edition)

This country-specific Q&A provides an overview to merger control laws and regulations that may occur in Cyprus . It will cover jurisdictional thresholds, the substantive test, process, remedies, penalties, appeals as well as the author's view on planned future reforms of the merger control regime. This Q&A is part of the global guide to Merger Control. [Continue Reading]

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Legal Developments by:
Antoniou McCollum & Co. LLC

  • Worldwide Freezing and Tracing of Assets through Cyprus Courts

    Cyprus courts have jurisdiction to issue interim orders relating to the worldwide freezing or tracing of assets, whether in the context of main proceedings or in aid of foreign litigation or arbitration proceedings.
    - Antoniou McCollum & Co.

Legal Developments in Cyprus

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