'Peter Petrov is an exceptional lawyer with very deep knowledge in competition law and a rich practice, both local and EU. Extremely competent and reliable, easy-going, he is a pleasure to work with. He is always available and very fast in providing legal advice.' - EU and Competition, The Legal 500 2022
“They provided excellent services, with around the clock availability.” M&A, IFLR1000 2020
Stellar practitioner Peter Petrov represents clients in multi-jurisdictional competition disputes and is additionally well-versed in non-contentious mandates. "He is always available, very responsive and practical. He gives you practical advice on how to approach things, how to do things,a client says.
Yordan Naydenov enjoys a robust reputation in the market. He handles complex corporate and M&A mandates as well as restructuring matters, often advising international investors and financial institutions.
The "outstanding" Peter Petrov is known as "one of the best lawyers in the market" by peers and clients alike. He acts for a range of clients in industries such as energy, aviation and retail on merger control proceedings, competition disputes and state aid matters. Appreciative clients describe him as "very erudite" and say that "his work is characterised by detailed project analysis and information." 
"We highly appreciate that the legal advice given is timely, in-depth and analytical," says one impressed interviewee. Further sources report that the lawyers "have a wide view on the matters and a lot of experience."
“The lawyers have in-depth knowledge which was very useful, especially in very complex situations.”
“A brilliant team that has been dedicated to competition work for many years, with a great track record. Offers hugely developed strategic thinking on truly complicated cases.”
"The ‘first-rate’ Peter Petrov heads Boyanov & Co’s ‘quick and effective’ team."
"This top-tier practice is valued for its “ability to handle the most complex mandates”."  
"Boyanov & Co’s comprehensive competition practice matches “the best of the best”."
"Clients speak of the “excellent services provided by the firm”. One client added: “I was very impressed – the lawyers are switched on and understand EU legislation.”"  
"This is undoubtedly the foremost practice around," agree sources about this major market player. "It's without question the best team to engage in Bulgaria.". The Firm stands alone as the only Band 1 law firm in Bulgaria.  
“Borislav Boyanov & Co’s market-leading team provides the full spectrum of competition law expertise, from merger control issues to state aid and unfair competition matters. Given its corporate transactional prowess, the team is able to provide a true one-stop-shop service to corporates engaged in significant mergers.”  
PLC Which Lawyer names Borislav Boyanov & Co. “Highly recommended” in Competition/Anti-trust  
Chambers Europe ranks Borislav Boyanov & Co. Band 1 in Competition/Antitrust.  
“The firm has a strong focus on merger control and clearances, but is also highly skilled in unfair competition, antitrust and state aid cases.”