Department profile
IMPACTA LAW

Dispute Resolution: International

Global Guide 2026 : Ukraine


IMPACTA LAW

Rankings

About

Provided by IMPACTA LAW

Dispute Resolution practice at IMPACTA LAW is represented by the following departments – International Arbitration, Cross-Border Litigation, Domestic Litigation and White-Collar Crime. Our team is one of the largest on the Ukrainian legal market in terms of capacity. It consists of 4 internationally recognised partners and more than 20 experienced lawyers who deliver comprehensive legal advice to international and domestic clients operating in energy, aviation, manufacturing, chemicals, retail, and banking. 75% of our clients are from private sector.

Our team represents clients in arbitration proceedings at all stages – from their initiation to the final award, as well as in arbitral award enforcement. We have unrivaled expertise in arbitration proceedings as representatives of the parties, arbitrators and experts. We represented clients in more than 100 commercial and investment arbitration proceedings under the rules of the major international arbitration centers.

The Cross-Border Litigation team at IMPACTA LAW acts for international and Ukrainian clients in multi-jurisdictional disputes spanning across most of the countries where Ukrainian businesses have presence. We act as a lead counsel, co-counsel on Ukrainian issues or Ukrainian law experts.

We also represent clients before Ukrainian courts and state authorities in disputes originating from corporate, employment, tax, antitrust, banking and finance, IP issues.

Clients (16)

  • ArcelorMittal
  • Euronet Ukraine
  • Ferrero Ukraine
  • Glenmark Pharmaceuticals
  • Lantmannen AXA
  • Linde
  • Metro
  • MHP
  • OTIS
  • Eurocape
  • Naftogaz of Ukraine
  • Scatec
  • Ukrenergo
  • UkrKhimTransAmmiak
  • Togliattiazot
  • Cargill

Industries (13)

  • Asset Tracing
  • Pharma
  • Aviation
  • Retail and Distribution
  • Energy
  • Agriculture
  • Transport
  • Aviation
  • Banking & Financing
  • Defence and Military
  • Private Client
  • Renewables
  • Cryptocurrency

Chambers Review

Provided by Chambers

Dispute Resolution: International - Ukraine

Band 1

Band 1


What the Team is Known For

The team is noted for its market-leading track record in international arbitration, acting for clients in international commercial arbitration as well as assisting with investment arbitration disputes. The law firm is active in cross-border litigation. The legal practice also advises on domestic matters, including commercial and shareholder disputes, as well as assisting with the enforcement of arbitral awards. The team is regularly instructed by large local clients from industries such as energy, pharmaceuticals and agriculture. The law firm also represents international companies from a variety of economic sectors. As of January 2026, INTEGRITES has rebranded and became IMPACTA LAW.

Work Highlights

Provided by Chambers

  • IMPACTA LAW acted for a Cargill group on 27 LCIA arbitration proceedings arising from the financing arrangements and related security instruments with the Ukrainian group of companies involved in the production of juice concentrate.

Strengths

Provided by Chambers

  • IMPACTA LAW knows the Ukrainian market and legislation very well, approaching each application and each negotiation with great skill.

    Dispute Resolution: International respondentGlobal
  • The team shows profound understanding of a business model, industry specifics and the commercial realities a client encounters.

    Dispute Resolution: International respondentGlobal
  • IMPACTA LAW combines legal expertise with a pragmatic, business-oriented approach, ensuring that every step of the case serves the client’s commercial objectives.

    Dispute Resolution: International respondentGlobal
  • The team at IMPACTA LAW combines strategic foresight with meticulous preparation, enabling them to handle complex, high-stakes disputes effectively.

    Dispute Resolution: International respondentGlobal

Notable Practitioners

Provided by Chambers

  • Band 1Olena Perepelynska
    Band 1Olena Perepelynska

    Olena Perepelynska

    Head of international arbitration Olena Perepelynska is a market-leading international arbitration practitioner. She is also well regarded for her experience in cross-border litigation.
    • Olena Perepelynska deeply understands all details of procedural issues and is able to describe the full matter and realistic probability of our result.

      Dispute Resolution: International respondentGlobal
    • Olena Perepelynska is a person of strong integrity, a disciplined arbitrator and an experienced arbitration practitioner who is well-versed in the latest developments in the field.

      Dispute Resolution: International respondentGlobal
  • Band 2Dmytro Marchukov
    Band 2Dmytro Marchukov

    Dmytro Marchukov

    Head of cross-border litigation Dmytro Marchukov is recognised for his work on litigation that spans multiple jurisdictions, including Cyprus and the BVI. He is also involved in international arbitration cases.
    • Dmytro Marchukov is a great lawyer and I would highly recommend him as he is very responsive.

      Dispute Resolution: International respondentGlobal
    • Dmytro is an excellent lawyer who excels in international and cross-border disputes.

      Dispute Resolution: International respondentGlobal
  • Band 3Serhii Uvarov
    Band 3Serhii Uvarov

    Serhii Uvarov

    Serhii Uvarov assists with a range of cross-border litigation, as well as international arbitration cases.

    • Serhii Uvarov is a super specialist who accompanies us and answers all our questions.

      Dispute Resolution: International respondentGlobal
  • Band 4Oleksandr Onishchenko
    Band 4Oleksandr Onishchenko

    Oleksandr Onishchenko

    Oleksandr Onishchenko assists regional clients with debt collections, tax litigation and defamation disputes. He is also well placed to act on disputes in the real estate sector.

    • Oleksandr stands out for his strategic thinking, ability to handle complex and precedent-setting disputes and clear, business-focused communication, ensuring that our priorities are fully understood.

      Dispute Resolution: International respondentGlobal
  • Up and ComingKrystyna Khripkova
    Up and ComingKrystyna Khripkova

    Krystyna Khripkova

    Krystyna Khripkova is an up-and-coming partner who has experience in acting for clients on international arbitration, including proceedings under LCIA rules.

    • Krystyna Khripkova is a hard-working lawyer.

      Dispute Resolution: International respondentGlobal

Ranked Individuals at IMPACTA LAW (5)

Ukraine

Members

Provided by IMPACTA LAW

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