European lawyers for Business

KA-Legal delivers high-quality legal advice and creative strategic solutions tailored to your business needs in the European market. We combine over 30 years of specialized expertise in EU law with a modern, industry-focused approach to drive your commercial success.

Learn more

About KA-Legal

Based at the heart of the European Union, KA-Legal is a niche law firm with over 30 years of expertise in EU Antitrust, State Aid, Export Controls and Sanctions, EU Regulation, International Trade Defence and Litigation. We specialize in high-impact sectors including energy, telecommunications, aviation, shipping, and steel/chemical commodities.

Our firm serves a global clientele of corporations, governments, and public bodies, often collaborating with other legal teams to ensure regulatory compliance and sound commercial strategies. Under the leadership of senior partner Dr. Konstantinos Adamantopoulos, who is consistently ranked highly by Chambers and The Legal 500, we deliver creative, results-oriented solutions.

We maintain strong professional relationships with the European Commission and national regulators, frequently representing clients in complex disputes before both European and national courts. Supported by a multilingual, international team, we provide the specialized insight necessary to navigate the most challenging EU legal environments.

Our services

High-level strategic counsel and creative solutions to help businesses navigate the complexities of EU Antitrust, State Aid, Export Controls and Sanctions, EU Regulation, International Trade Defence and Litigation.

  • Antitrust, Dominance Abuses and Compliance

    Managing EU competition rules, cartel cases, and dominance abuses through strategic litigation and compliance training.

    Learn more
  • State Aid

    Advising on EU rules for public funding, representing clients before courts, and structuring compliant aid schemes.

    Learn more
  • Merger Control

    Advising on clearance proceedings, negotiating regulator commitments, and representing parties before competition authorities.

    Learn more
  • Export Control

    Advising on EU export rules and sanctions, developing compliance programs, and representing clients in court litigation.

    Learn more
  • Trade Remedies

    Resolving anti-dumping and WTO disputes to overcome global trade barriers and market access impediments.

    Learn more
  • Public Procurement and Regulatory

    Advising on EU public procurement and internal market rules, representing clients in complaints and regulatory matters.

    Learn more
  • Litigation

    Litigating before EU and national courts on antitrust, state aid, and trade matters while managing regulatory complaints.

    Learn more

Our sectors

  • Air Transport

    Advising airlines and airports on state aid, antitrust, EU ETS compliance, traffic rights, and merger control.

    Learn more
  • Energy

    Advising on EU energy liberalization, unbundling, and pricing while managing state aid and merger control for major utilities.

    Learn more
  • Media & Telecoms

    Expertise in licensing, state aid, and antitrust matters, representing major broadcasters and telecoms in EU court.

    Learn more
  • Shipping & Ports

    Specialized advice on shipping antitrust, state aids, merger control, and FDI screening for ports and shipyards.

    Learn more

Need a strategic legal partner?

Get in touch to find out how our sector-specific expertise and extensive experience can help you overcome your most complex legal and regulatory challenges. Our experts are ready to address your specific requirements.

Contact us