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International Expertise and Network

When operating in international markets, having legal advisors who not only understand local regulations but also have experience in resolving complex cross-border legal challenges is crucial. Thommessen has extensive experience assisting both foreign businesses operating or investing in Norway and Norwegian companies expanding globally. We also have an office in London office that has served as a key listening post in the international market for over 40 years.

Through our global network, we can quickly adapt to your specific challenges and connect you with the best legal advisors worldwide – regardless of complexity or jurisdiction. As the only Norwegian member of Lex Mundi, the world’s leading network of independent law firms, we have access to more than 22,000 lawyers in over 125 countries. However, our approach remains flexible – we are free to collaborate with and leverage the expertise of the top law firms in our extensive international network.

Our experience in international matters includes:

  • International arbitration and dispute resolution: Assisting with complex cross-border disputes, including representation before international courts and arbitration institutions.
  • Cross-border transactions: Handling complex transactions involving multiple jurisdictions.
  • Governance and compliance: Advising on corporate governance, structuring, and compliance for global businesses.
  • Banking, finance, and restructuring: Structuring, negotiating, and executing cross-border financing transactions, as well as cross-border restructurings.
  • Tax and duties: Assisting multinational companies with Norwegian and international tax and duty matters.
  • Intellectual property: Global protection of intellectual property, including patents, trademarks, and copyrights.
  • Employment law and personnel security: Advising multinational businesses on employment law matters, including expatriate assignments and personnel security.
  • Energy and project finance: Legal support for international energy projects and financing of major international infrastructure and development projects.
  • International trade and sanctions: Advising on trade agreements and ensuring global businesses operate in compliance with applicable sanctions and export control regulations.
Thommessen have very good cross-border knowledge. Client
Chambers & Partners Global 2025
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