The renowned Legal 500 EMEA 2025 rankings have recognized Ante as a top-tier firm in Employment, Competition, Dispute Resolution, Commercial, Corporate And M&A practices.

This accolade highlights Ante Law Firm’s steadfast dedication to delivering outstanding service and expertise across a wide array of legal disciplines.

Also Ante is a firm to watch in Banking, finance and capital markets.

Andriy Guck and Mariia Tereshchenko have been singled out as recommended lawyers by Legal 500, a testament to their individual excellence.

We are profoundly grateful to our valued clients, whose generous testimonials form the foundation of Legal 500’s research. We treasure the confidence you’ve shown in us and are sincerely thankful for the privilege of assisting you with your legal needs. Your ongoing support and insights motivate us to consistently elevate our standards and surpass your expectations.

A go-to for clients in the pharmaceuticals, medical devices, aviation and agriculture sectors, Ante Law Firm handles bankruptcy and debt collection proceedings, distribution disputes and arbitration. Praised for his ‘truly unique aviation industry expertise’, Andriy Guck is regularly called upon by airlines and pharmaceuticals companies for representation in the full spectrum of disputes.

‘The team is professional and has a broad understanding of national aviation law as well as international aviation law.’

‘The people working in this firm know their clients’ needs and provide accurate and relevant advice.’

‘Ante delivers results beyond our wildest expectations. Their legal team’s deep knowledge of the law and industry, strategic thinking, and courtroom power were evident throughout each court case.’

Praised for its ‘exceptional’ expertise in the aviation and pharmaceutical sectors, Ante Law Firm excels in the representation of international airlines and pharmaceutical companies in investigations. The team also demonstrates prowess in public procurement matters, appeals and competition compliance. Boasting a ’unique edge in advising clients on the most complex cases’, practice head Andriy Guck brings to the team specialist knowledge of the aviation and pharmaceutical sectors.

‘No firm in Ukraine knows aviation better than Ante. Their industry-specific knowledge is exceptional. They know everything that’s going on and participate in all industry-level antimonopoly and competition matters.’

‘Andriy Guck has built a reputation for understanding the complexities of industries where competition issues are particularly prominent, such as aviation and pharmaceuticals. His ability to navigate industry-specific regulations alongside competition law gives him a unique edge in advising clients on the most complex cases. He has a track record of handling some of the most high-profile and intricate competition law matters in Ukraine.’

Ante Law Firm is set apart by its expert focus on the aviation, pharmaceutical and insurance sectors. The team is regularly called upon by representative offices to advise on registration, liquidation, branch openings, management changes and corporate structuring. Mariia Tereshchenko spearheads the firm’s corporate, commercial and M&A work, advising a diverse roster of clients from the insurance and aviation sectors.

‘An excellent legal advisor in matters of the company. Every day in our business processes, issues arise that require qualified legal support, with which the Ante Law team of lawyers copes perfectly.’

‘Repeated legal advice is always supported by relevant case law, which makes it possible to understand not only the position of lawyers on a problematic and non-standard issue, but also the position of the courts in case of litigation.’

In addition to its industry focus on the aviation, pharmaceuticals and healthcare sectors, Ante Law Firm continues to expand its expertise to the insurance and finance space. The team houses an active contentious and non-contentious practice, advising on employment disputes, as well as dismissals, mobilisations and labour audits. Andriy Guck leads the team and is regularly called upon by high-profile national and international clients, boasting particular expertise in the aviation and pharmaceuticals sectors.

‘The ability to offer customised legal strategies based on the client’s unique needs, rather than cookie-cutter solutions, is their strength.’

‘Personal attention and responsiveness can set a team of Ante Law Firm apart.’

Specialising in aviation finance, Ante Law Firm advises international airlines and Ukrainian insurance companies. Andriy Guck leads, alongside Mariia Tereshchenko.