News date: 29 October 2026
Ilyashev & Partners Law Firm has been recommended by one of the most authoritative international tax directories, ITR World Tax 2027, in General Corporate Tax and Tax Controversy for Ukraine. The research results were published on October 29, 2026.
Ilyashev & Partners Law Firm has reaffirmed its high expertise in tax law according to the international directory ITR World Tax. The firm achieved Tier 2 recognition in General Corporate Tax and was ranked Tier 3 in Tax Controversy.
The continuous recognition of the Ilyashev & Partners’ team in the ITR World Tax directory underlines the firm’s solid position as a trusted legal partner in resolving complex tax issues, structuring transactions, and protecting taxpayers’ interests in disputes with tax authorities.
Four attorneys of Ilyashev & Partners Law Firm were individually recognized by the ITR World Tax 2027 directory.
Roman Marchenko, Senior Partner at Ilyashev & Partners, Attorney at Law, Honored Lawyer of Ukraine, was recognized as a Highly Regarded practitioner in Tax Controversy in Ukraine. Researchers highlighted his long-standing experience in resolving the most complex tax matters and providing top-tier legal services to domestic and international businesses.
Ivan Maryniuk, Head of Tax Law Practice at Ilyashev & Partners, was recommended as a Rising Star in General Corporate Tax in Ukraine.
Kostiantyn Kryvenko, Attorney at Law, Counsel, Head of Criminal Law Practice at Ilyashev & Partners, was rated as a Promoted individual in Tax Controversy in Ukraine.
Volodymyr Adonin, Attorney at Law at Ilyashev & Partners, was recognized as a Notable Practitioner in Tax Controversy due to his extensive experience in advising on tax-related transactions in the Ukrainian market.
ITR World Tax is one of the most comprehensive international legal directories assessing the performance of leading law firms in taxation. The research highlights the most effective law firms, tax law practitioners, and transfer pricing specialists across 140+ jurisdictions. The directory takes into account client feedback, peer reviews, and project casework.