AURUM
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AURUM’s team focuses on the tech sector, assisting clients with issues across blockchain, AI, fintech, alternative finance, and cybersecurity. The practice is led by Sergey Ostrovskiy, who advises on cross-border transactions, joint ventures, and private placements. Valeriia Sych and Tatiana Kontariova are also recommended for their commercial expertise.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘The team is highly responsive, commercially minded, and combines deep expertise in emerging areas such as technology and blockchain with a strong grounding in business, corporate and regulatory law. They stand out for their ability to deliver cross-border solutions that are both practical and innovative, which is particularly valuable for fast-growing technology businesses.’
- ‘The team works quickly and clearly, paying attention not only to law but also to the details of our business processes. They find practical solutions in complex transactions, handle international projects with confidence, and stand out as more flexible and modern than others. Feedback is always prompt, communication is comfortable and competent, and their constant online availability makes work smooth and efficient.’
Key clients
- Mellow
- Blockscout
Work highlights
Advised the client on the corporate structuring and governance of an organization with over 10,000 members and over $300m in protocol TVL.


