Arzinger’s team acts in high-profile employment-related disputes and advises on a broad range of matters, from those regarding state registration, to those involving military service legislation compliance. The practice is jointly headed by Kateryna Oliinyk, who specialises in IP and TMT matters, and Kseniia Lotosh, a labour specialist frequently involved in HR regulatory compliance matters, cases regarding trade union negotiations, and in matters relating to the development and implementation of corporate governance procedures.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘Arzinger’s team has been an exceptional partner - responsive, strategic, and deeply knowledgeable.'
- 'Their ability to navigate complex labour issues, especially across borders, has been invaluable.'
- 'We’ve benefited from their innovative approach to compliance, inclusive hiring practices, and effective use of technology.'
- 'With their international expertise and business-focused mindset, Arzinger delivers legal solutions that truly support our goals.'
- 'Professionals like Kseniia Lotosh stand out for their clarity, responsiveness, and ability to manage complex issues with confidence. The team’s international perspective, ethical commitment, and collaborative approach make them not just legal advisers, but trusted partners in navigating workforce challenges.’
- ‘Good expertise and risk-based approach to business issues.’
Key clients
- Porsche Group
- MSD (Merck & Co/Merck Sharp & Dohme)
- Fortrea
- Simulmedia Inc.
- Nufarm
- Big Dutchman
- Greiner
- CHS Group
- Indigo AG., Inc.
- ECS Group
- Expert Petroleum
- Zeppelin International, Zeppelin Power Systems GmbH & Co. KG
Work highlights
Defending the client's rights (former top manager) in a labour dispute regarding unlawful suspension of employment for over UAH 7.7 million against Naftogaz of Ukraine (the largest state-owned gas & oil company) in the Supreme Court.
Assisted Simulmedia with establishing and registering its Ukrainian subsidiary, including obtaining resident status in Diia City. The firm continues to provide ongoing legal support in connection with the subsidiary’s day-to-day operations under Ukraine’s special legal and tax regime for IT businesses.
Representing JSC "UkrEximbank" in a series of labour disputes initiated by former top managers of the bank (former heads of divisions, trade union-affiliated managers) seeking reinstatement.
Lawyers
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Kateryna Oliinyk; Kseniia Lotosh