ADON Legal has been ranked among Lithuania’s leading FinTech law firms in the 2025 Chambers and Partners FinTech Legal guide. The firm achieved a Band 3 ranking in the FinTech Legal category, reflecting its strong expertise in financial services regulation and fintech matters​

Chambers’ review notes that ADON Legal “advises on financial services regulation, including licensing and product structuring,” working with FinTech and InsurTech clients on electronic money institution licensing applications​

Clients highlighted ADON Legal’s strengths and proactive approach. According to feedback gathered by Chambers, the firm is “proactive in addressing any problems that arise and mapping out the next moves”​

Another client praised “the ability to understand complex issues combined with a high level of creativity” at ADON Legal, calling the team’s performance “truly remarkable”​

This client-focused mindset and problem-solving capability were key factors in the firm’s ranking.

Individual Rankings

  • Donatas Šliora – Band 2. Chambers individually recognized Donatas Šliora, ADON Legal’s founding partner, with a Band 2 ranking in FinTech Legal​. He advises fintech, banking, and insurance clients on complex regulatory issues and corporate structuring​. Clients laud Donatas for his “impressive” level of knowledge and the significant time and dedication he invests in his clients’ success​. Chambers also notes his comprehensive understanding of financial services, observing that he “grasps the big picture of complex operations” and provides insightful advice.
  • Marius Matiukas – Band 3. Partner Marius Matiukas earned a Band 3 ranking in the FinTech Legal category​. Chambers reports that Marius “brings significant experience to matters” from his background in financial institutions and law firms, advising clients on both regulatory and transactional mandates​. Clients say they are “always impressed” by Marius’s determination to find the most efficient solutions, highlighting his positive attitude and commitment to high-quality service​.

These accolades underscore ADON Legal’s market-leading FinTech practice and commitment to client success. The firm’s Chambers FinTech 2024 ranking and the individual recognitions of its partners reflect a deep bench of expertise in navigating fintech regulations, innovative financial products, and complex transactions in Lithuania​. ADON Legal remains dedicated to delivering exceptional service and innovative legal solutions to clients in the fintech and financial services sector.