Avellum’s team, which is noted for its ‘world-class technical expertise’, advises on the full scope of M&A, private equity, venture capital, corporate governance, and complex procurement matters, with a notable focus on high-growth sectors. Team head Mykola Stetsenko is an expert in handling domestic corporate matters, LLC structuring, and shareholder agreements. Noted for his ’unrivalled expertise’, Yuriy Nechayev specialises in cross-border M&A and private equity transactions, while Andriy Romanchuk focuses on venture capital, early-stage investments. Also noteworthy are Oleksandr Kozhukhar, who handles corporate transactional documentation, and Maryna Buinytska, who frequently provides regulatory and licensing guidance.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- Andriy Romanchuk is exceptionally proactive and responsive. He brings a practical mindset to complex legal issues, offering clear, actionable advice that aligns with business needs.
- They are cost-efficient, fast, and highly responsive. They offer clear communication and practical advice.
- ‘Yuriy Nechayev stands out for his thorough approach, exceptional delivery, and unrivalled expertise in M&A. I firmly believe he has been the best M&A lawyer in Ukraine over the past decade.’
- ‘Oleksandr Kozhukhar is a bright, client-focused professional eager to grow. Working with him has been a pleasure, and under Yuriy Nechayev’s mentorship, his development is unsurprising.’
- ‘From a client’s perspective, AVELLUM’s team combines deep technical knowledge of Ukrainian law with an international, business-oriented approach. They are consistently responsive, strategic, and able to handle both complex cross-border M&A deals and day-to-day corporate matters with the same professionalism. The team stands out for its commerciality, mindset, seamless coordination with international counsel, transparent billing, and commitment to developing future-ready talent.’
- ‘Yuriy Nechayev impresses with his sharp legal mind and ability to manage complex corporate and M&A matters with calm precision. He blends technical expertise with a practical, solution-oriented approach, is highly responsive, identifies risks proactively, and communicates clearly with both legal and business stakeholders.’
Key clients
- Kernel
- Investment Capital Ukraine (ICU)
- Horizon Capital
- Group of companies “Greenville”
- Ukraine-Moldova American Enterprise Fund (UMAEF)
- Concorde Capital
Work highlights
Advised Ukraine-Moldova American Enterprise Fund (UMAEF), on its investments in Ukrainian SMEs: launch of $50m Direct Investment Program providing equity and quasi-equity financing ($1-3m investments) to SMEs in Ukraine and Moldova.
Acted for Greenville group of companies in connection with the sale of a renewable energy infrastructure project, namely a wind power plant at an RTB stage with an overall projected capacity of approximately 150 MW.
Advised Concorde Capital on its acquisition of the Ukrainian subsidiary of Beiken Energy, China’s largest private oilfield services company.
Lawyers
Hall of Fame
The lawyers at the very top of the profession, widely known and respected by peers and clients for their longstanding involvement in market-leading work.
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.
Andriy Romanchuk
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Maryna Buinytska
Oleksandr Kozhukhar
Practice head
Mykola Stetsenko
Other key lawyers
Yuriy Nechayev; Andriy Romanchuk; Oleksandr Kozhukhar; Maryna Buinytska; Alexander Volodin