ADER HABER makes for a strong choice of counsel in tax audits and tax controversy, and is reliable as an advisor on the tax aspects of insolvencies. The key figures to note are Stanislav Karpov, who is valued by clients for his ‘clear analysis and efficiency’, and Tatiana Daniltseva, who assists clients at all stages, from conducting tax audits to appealing against illegal actions of the tax authorities.
Legal 500 Editorial commentary

Testimonials

Collated independently by Legal 500 research team.

  • Tetiana Danyl’tseva is a highly regarded tax law expert with extensive experience in advising both domestic and international clients on complex tax structuring, compliance, and dispute resolution matters. She is recognized for her strong analytical skills, in-depth understanding of Ukrainian and international tax regulations, and ability to deliver practical, business-oriented solutions. Tetiana regularly assists clients in navigating transfer pricing issues and tax risk management. Her strategic thinking and attention to detail make her a trusted tax adviser. Stanislav Karpov is a key practitioner in Ader Haber’s tax practice, specializing in tax litigation and controversy. He represents clients in high-stakes disputes with tax authorities, demonstrating a deep understanding of procedural law and an impressive ability to develop effective defense strategies. Stanislav is known for his strong advocacy skills, pragmatic problem-solving approach, and focus on achieving favorable outcomes for clients. His work has contributed to the firm’s reputation for excellence in handling complex tax disputes and regulatory challenges.
  • Ader Haber is a distinguished Ukrainian law firm recognized for its strong combination of deep local expertise and an international outlook. The firm consistently demonstrates a high level of professionalism, commercial awareness, and strategic thinking across all practice areas. What sets Ader Haber apart is its client-oriented approach and ability to provide tailored, business-focused solutions. The team is highly responsive and precise, with an exceptional understanding of complex legal and regulatory issues. Compared to other firms, Ader Haber offers a uniquely pragmatic and efficient service, maintaining the highest standards of quality and integrity. The firm is also notable for its commitment to innovation and modernization. Ader Haber effectively integrates legal technology to enhance efficiency and transparency in client service. Its inclusive and collaborative culture fosters professional growth and ensures a diversity of perspectives in problem-solving. In addition, the firm’s flexible billing structures demonstrate its willingness to align with clients’ commercial needs. Overall, Ader Haber combines legal excellence, innovation, and a strong client service ethos, establishing itself as one of the leading and most forward-thinking firms in the Ukrainian legal market.
  • ‘The quality of the written analyses is outstanding. What truly sets them apart is their ability to explain complex legal and tax matters in a way that is both detailed and easy to understand — always accompanied by clear, perfectly structured summaries.’
  • ‘In tax matters, Stanislav Karpov is exceptional — delivering clear analysis, efficiency, and truly acting as a creator of solutions.’
  • ‘Ader Haber's team brings together highly qualified tax lawyers, litigators, and financial advisors with extensive experience in representing clients before tax authorities and courts. They work collaboratively, combining in-depth legal knowledge with strategic thinking to deliver effective and practical solutions for every case.’
  • ‘Each of Ader Haber's professionals is recognised for their dedication, analytical skills, and deep understanding of both national and international tax regulations. Their lawyers take a personal approach to every client’s matter, ensuring transparency, precision, and exceptional attention to detail throughout the entire process. I can especially note Stanislav Karpov.’

Key clients

  • MHP
  • SUBSIDIARY COMPANY STAROKONSTANTYNIV DAIRY PLANT, part of UkrProduct Group
  • VINNYTSIA POULTRY FARM
  • STARYNSKA POULTRY FARM” AGRICULTURAL JSC
  • MYRONIVSKY PLANT OF MANUFACTURING FEEDS AND GROATS PRJSC
  • PANDA
  • INVESTCAPITAL LLC

Work highlights

Represented a subsidiary company of Starokonstantyniv Dairy Plant in five interrelated tax disputes arising from tax assessments which imposed corporate income tax and VAT liabilities based on allegations of fictitious transactions.
Represented Vinnytsia Poultry Farm in a post-audit dispute in which the Tax Authority alleged that it had underpaid tax on dividends paid to a non-resident company and assessed an additional tax liability of $21.1m.
Represented Myronivsky Plant Of Manufacturing Feeds And Groats in an audit dispute with the Tax Authority.

Lawyers

Leading partners

The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Tatiana Daniltseva
Tatiana Daniltseva
Practice head

Stanislav Karpov; Tatiana Daniltseva