Aceris Law is proud to announce that it has once again been ranked in the Legal 500 for 2026, reaffirming its position as a leading boutique law firm in international arbitration. This recognition highlights the firm’s continued excellence in delivering high-quality, efficient, and results-oriented representation to clients across the globe.
A Global Arbitration Practice
While headquartered in Geneva, Switzerland, Aceris Law serves clients in international arbitrations worldwide. The firm regularly represents clients in complex disputes across multiple jurisdictions, industries, and arbitral institutions, combining deep legal expertise with a truly international perspective.
This global reach, paired with a lean and highly focused team, enables Aceris Law to deliver strategic, cost-effective solutions tailored to each client’s needs.
Recognition for Excellence, Efficiency, and Client Service
The Legal 500 rankings are based on extensive research and client feedback. In 2026, Aceris Law was particularly praised not only for its legal expertise, but also for its efficiency and billing practices, areas that are increasingly important for clients engaged in high-stakes arbitration.
Clients consistently highlighted the firm’s ability to simplify complex matters, identify key issues quickly, and deliver clear, actionable advice.
What Clients Say About Aceris Law
The Legal 500 published the following testimonials from clients and peers:
- ‘Aceris Law stands as one of the best boutique law firms in arbitration. Excellent team, hands on and results oriented.’
- ‘William Kirtley is an excellent lawyer. He is easy to deal with and makes himself available. Nina Jankovic is also a great lawyer with ability to handle complex matters.’
- ‘William Kirtley is a tenacious dispute lawyer, very detail-oriented and highly organised. Nina Jankovic is a fantastic senior associate, skilled in both written and oral advocacy, very effective yet composed. She has immense expertise in the construction field.’
- ‘The Aceris team was very successful in identifying the critical facts and in structuring the legal arguments in the case that we worked with them.’
- ‘Excellent work in clarification and simplification. The teamwork is well-balanced between partner and associate. William Kirtley communicates clearly, offering strong opinions and well-founded recommendations. Nina Jankovic is highly efficient, detail-oriented and responsive.’
- ‘Aceris Law has assembled a youthful, flexible, energetic team of multi-language professionals who bring much to the table and combine their knowledge to bring representation to another level.’
A Client-Centered Approach to International Arbitration
Aceris Law’s continued recognition in Legal 500 reflects its commitment to combining top-tier legal expertise with a client-centered approach. The firm emphasizes efficiency, transparency in billing, and practical strategies designed to achieve results.
By maintaining a streamlined structure and avoiding unnecessary overhead, Aceris Law ensures that clients receive exceptional value without compromising on quality.