
Integrites' ‘hard-working and dedicated team’ is composed of industry-focused dispute resolution experts. The team has seen a recent surge in cases related to the agribusiness and transport sectors, alongside its busy practice in the chemicals, energy, real estate and financial services industries. It remains active in high-profile litigation and arbitration matters, representing both local and international players and the group is regularly instructed as Ukrainian law experts. As team lead, Olena Perepelynska's international arbitration practice spans multiple jurisdictions, and she demonstrates particular prowess in commercial and investment treaty arbitrations. Dmytro Marchukov spearheads the firm’s cross-border litigation work, with a diverse roster of clients that spans sovereign states, corporates and private clients. Serhii Uvarov heads the domestic litigation team, specialising in commercial and administrative law matters. Oleksandr Onishchenko brings to the team particular expertise in the energy and financial services sectors. Kristina Shyposha advises on hostile takeover defence, asset tracing and recovery, and debt recovery, while Krystyna Khripkova represents corporates, sovereign clients and HNW individuals.
Testimonials
Collated independently by Legal 500 research team.
‘Integrites has one of the leading and best-known asset recovery practices in Ukraine. They are also well-resourced, with leading practitioners in other related practice fields, such as white collar and international arbitration. Dmytro Marchukov is a stand-out figure: a leading figure in the asset recovery world. Hardworking, committed to his client's cause and a pleasure to work with. He is ably supported by Serhii Uvarov.’
‘They have a hard-working and dedicated team who are knowledgeable in diverse areas of Ukrainian law and their responsiveness to communications is second to none - they move swiftly. Dmytro Marchukov and Serhii Uvarov are excellent and provide reasoned and well-articulated advice which is readily deployable to clients and/or in court proceedings. They explore every angle and leave no stone unturned. They are incredibly personable and a pleasure to work with.’
‘We worked with Dmytro and Serhii. Their work product was faultless. They dealt with difficult areas of Ukrainian law and in areas that are constantly developing. They were on top of all developments. They are thorough and hard-working. Most of all, they are the kind of law firm you want on the other end of a call when you need help. They are ready to assist even when there are tight deadlines. Highly user-friendly.’
‘We have used the team to provide Ukrainian law advice in connection with claims proceedings in the English Courts. This team provides an exceptional level of service and its work is consistently very strong. Serhii Uvarov is incredibly bright, responsive and the quality of his work is always outstanding.’
‘Despite the immense challenges posed by the war in Ukraine, Integrites continues to perform at an exceptionally high level and it's a 'war success story'. They have established a remarkable dispute resolution team that consistently delivers results.’
‘Dmytro Marchukov is, without a doubt, one of the top dispute resolution lawyers in Ukraine. We have had the pleasure of meeting Dmytro at various international conferences, where he is often a featured speaker, and have consistently been impressed by his depth of knowledge in cross-border disputes and asset recovery. His reputation as a thought leader in the legal profession is well-deserved. Despite the immense challenges posed by the war in Ukraine, Dmytro and his firm, Integrites, have continued to perform at an exceptionally high level. We had the opportunity to work alongside both Dmytro and Serhii Uvarov on a case even before Serhii became a partner, and was equally impressed with Serhii’s excellence and dedication, which no doubt has contributed to the firm’s ongoing success. Together, they have established a remarkable team that consistently delivers results.'
‘The individuals at Integrites' dispute resolution practice are truly exceptional. What makes them stand out is their combination of technical legal expertise and practical business acumen. They differ from competitors in their ability to provide not just legal advice, but strategic guidance that takes into account the commercial realities of the agricultural sector. We would like to specifically mention: Olena Perepelynska, whose strategic vision and deep understanding of international arbitration is instrumental in numerous successful outcomes; and Nadiya Mykiyevych, whose meticulous attention to detail and creative problem-solving skills prove invaluable in complex cases.’
‘Integrites demonstrated an outstanding litigation expertise, and their domestic litigation team is a pleasure to work with. Their unwavering commitment to achieving the best possible result and their strategic vision are impressive. 100% recommendation for complex litigations. Oleksandr Onishchenko has a strong grasp of the market and our business. The name to remember is senior associate Mykola Yerema – thoughtful, skilled, collaborative, smart. We truly appreciate their meticulous approach and dedication to what we see as our success.’
Key clients
- PJSC NPC Ukrenergo
Work highlights
- Acting for NPC Ukrenergo in the investment treaty arbitration against Russia as regards expropriation of assets in Crimea following Russia’s occupation of the peninsula in 2014.
Lawyers


Practice head
The lawyer(s) leading their teams.
Olena Perepelynska, Dmytro Marchukov, Oleksandr Onishchenko, Serhii Uvarov