
Ilyashev & Partners’ private client practice is known for handling complex, often contentious mandates involving asset disputes, inheritance issues, sanctions-related advice and business restructuring for individuals with significant domestic and cross-border interests. The team also advises on tax and asset structuring, real estate, and family-law matters, including international divorce and custody issues. The group is led by Roman Marchenko, with further key figures including Mikhail Ilyashev and Yevgen Solovyov.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Billing & efficiency
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- 'Excellent team of professionals — very responsive, detail-oriented, and accommodating client needs to the maximum extent.'
- 'Ilyashev & Partners’ dedication and expertise have been invaluable. Their proactive approach, attention to detail and genuine compassion make them exceptional advisers.'
- 'They combine strong legal knowledge with a practical and human approach.'
- 'Mikhail Ilyashev is a strong leader who gives complete confidence that every detail will be under control, while Roman Marchenko navigates highly sensitive issues with great skill and discretion.'
- 'Their work is less formalistic and far more focused on achieving real results. As a private client, I always knew the status of the matter and the next steps.'
- 'Roman Marchenko is a true generator of ideas — creative, fast-thinking and consistently finding solutions where others see obstacles. Yevgen Solovyov is calm, steady and absolutely reliable.'
Key clients
- Kenes Rakishev
- Andrey Onistrat
- Kostyantyn Zhevago
- Alexander Kvitashvili
Work highlights
Representing a major bank shareholder in a $90m dispute against national financial regulators over the forced market withdrawal and liquidation of the bank during martial law.
Representing a foreign private client in criminal and civil proceedings concerning a fraudulent registration scheme involving 60+ real estate properties.
Representing the family of a deceased patient in a medical malpractice case against leading private clinics, which resulted in a criminal conviction.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Practice head
Roman Marchenko
Other key lawyers
Mikhail Ilyashev; Yevgen Solovyov

