Impacta Law represents both international and national companies, receiving mandates predominantly from private businesses, with a small focus on work done for the government sector. The practice represents clients in different types of disputes, including debt collection, challenging the decisions of state bodies, labour disputes, private client disputes, and competition and bankruptcy matters. Dmytro Marchukov works on trans-national insolvencies, asset tracing and recovery cases, fraud investigations, enforcement of mortgages, and commercial and investment arbitrations. Serhii Uvarov brings further expertise to the team, specialising in the energy, construction and financial services sectors. Olena Perepelynska is an expert in international arbitration, litigation and trade, focusing on the most challenging cross-border cases, while Oleksandr Onishchenko has a strong track record in civil, commercial and administrative law disputes.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- In my interactions with the Integrites team, particularly within their dispute resolution practice, I have consistently been impressed by their intellectual rigor, responsiveness, and strategic clarity. Working with Dmytro Marchukov and Serhii Uvarov, I have seen firsthand how they combine deep technical expertise with a calm, solutions-oriented mindset that inspires confidence even in the most complex cross-border disputes. What stands out most is the team’s ability to think globally while acting locally, offering seamless coordination across jurisdictions without losing sight of the client’s commercial goals. Their professionalism, integrity, and collaborative spirit make them not just excellent lawyers, but trusted partners.
- ‘Very sharp lawyers with exceptional availability and great understanding of international law.’
- ‘Dmytro Marchukov is an excellent litigator with deep understanding of complex cases and different legal systems, very client focused.’
- ‘The domestic litigation team at Integrites stands out for its strategic thinking, precision, and ability to manage highly complex disputes. What impressed us most was their holistic approach, from building a strong litigation strategy to gathering persuasive evidence and commissioning an independent consumer survey to strengthen our position.'
- ‘Working with the Integrites litigation team has been an exceptional experience.'
- ‘The team are multi-lingual, have an excellent grasp of the local and international legal systems, and are highly responsive. I could not recommend them more highly.’
Key clients
- PJSC NPC Ukrenergo
- Cargill Financial Services International, Inc and CFSIT, Inc.
Work highlights
Representing Cargill Financial Services International and CFSIT in a consolidated LCIA arbitration concerning financing arrangements with a Ukrainian juice concentrate producer.
Representing PJSC NPC Ukrenergo in an investment arbitration against Russia concerning the expropriation of the client’s power grid, recreational facilities, and other assets following Crimea’s annexation in 2014.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.
Next Generation Partners
Junior partners with significant recognition from clients and peers in the market and key roles on multiple matters.
Practice head
Dmytro Marchukov; Serhii Uvarov; Olena Perepelynska; Oleksandr Onishchenko
Other key lawyers
Krystyna Khripkova; Nadiya Mykiyevych