Europe Guide 2026 : Bulgaria
Ranked Individuals
Provided by Kambourov & Partners
The department is recognised for its expertise across the full spectrum of competition law, with a proven track record in abuse of dominance, cartel investigations, litigation, vertical restraints, sector inquiries, dawn raids, market investigations, unfair competition, compliance, and both domestic and cross-border merger control. The team regularly advises on complex competition issues, particularly in M&A and other strategic transactions.
The department has advised clients across key sectors of the Bulgarian and regional economy, including energy, food and beverage, TMT, media, private equity, retail, automotive, aviation, shipping, fashion, insurance, healthcare, and electronics. This experience enables the team to navigate industry-specific challenges in a dynamic regulatory environment.
The team provides strategic advice on compliance and risk management, and represents clients before the Bulgarian Commission on Protection of Competition and national courts. It is particularly active in merger notifications and clearance procedures for domestic and cross-border transactions, with strong litigation and advisory capabilities covering both preventive and post-transactional aspects of competition law.
In recent years, the team has seen growth in media and retail sector work, advising on merger clearance to regulatory disputes. It has also expanded in telecommunications, healthcare, and energy sectors, reflecting broader market trends.
Provided by Chambers
Kambourov & Partners provides assistance across the full range of competition law matters, advising clients on Phase II merger clearance notifications and investigations into possible cartels or alleged abuses of dominance. The team is also experienced in state aid matters and competition compliance. It is a popular choice with clients from the TMT and retail industries.
Provided by Chambers
Kambourov & Partners represented Lidl in an investigation into an alleged cartel.
Provided by Chambers
What truly sets Kambourov & Partners apart is the deep understanding of the regulatory landscape and ability to provide precise, strategic advice even in complex and high-stakes situations.
The team is willing to adapt to our requirements, is business-oriented, provides good analytical and strategic thinking, and is able to offer us good solutions.
The lawyers do their best to find ways to solve the issues and help the business.
Provided by Chambers
Plamen Yotov acts for clients on Phase II merger clearance investigations. He has additional experience in requests for information and investigations into allegations of abuse of dominance. In addition, he assists clients with competition law compliance matters.
His ability to manage complex and sensitive matters with confidence, clarity and precision stood out from the outset.
Stefan Tzakov represents clients in investigations into possible cartels. He also assists clients with competition law compliance, including in relation to distribution agreements. He has a number of clients from the FMCG sector.
What sets him apart is not just his command of the law, but the clarity and calm authority with which he advises - always thoughtful, strategic and attuned to the broader implications of every issue.
Head of Competition/Antitrust
Competition/Antitrust
Provided by Kambourov & Partners
Ivan Raykov
Stefan Tzakov
View profile of Stefan Tzakov
Chambers is the leading data and intelligence partner for the legal sector.
