Kambourov & Partners provides clients with advisory services in major transactions in the TMT sector, and representation in contentious matters involving data protection, licensing and contract breaches. The group advises a number of media entities, in addition to major telecoms players and clients in software, IT services and cloud infrastructure. At the helm of the practice, Margarita Guigova is best known for her work representing media and entertainment clients in disputes related to broadcast licensing and TV and radio regulations. Yana Todorova is another key member of the team, and was made partner in April 2025.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- Excellent expertise and perfect understanding of our company's needs. Direct communication channels.
- Strong skills. Flexibility. Knowledge of international legal environments and procedures.
- 'Kambourov & Partners’ TMT team is outstanding in every respect. They combine deep sector knowledge with the agility and creativity needed to advise on technologies that often outpace regulation. Their ability to provide clear, commercially grounded advice in areas where the law is still evolving is truly unique on the Bulgarian market. The team is equally comfortable handling complex regulatory frameworks and drafting forward-looking contractual arrangements that protect the client’s interests while enabling innovation to flourish. They are proactive, responsive, and highly collaborative, with a clear understanding of the challenges faced by fast-growing technology companies. Compared to other firms, they stand out for their capacity to translate complex legal requirements into actionable solutions that align seamlessly with business strategy.'
- 'Margarita Guigova is a standout advisor in the TMT space. She has an exceptional ability to navigate novel and untested issues with clarity and confidence, offering guidance that is legally bulletproof and future-oriented. Her strategic insight and innovative thinking make her an invaluable partner for clients operating at the forefront of technological change. Margarita inspires trust with her ability to chart a clear path through unregulated territory while keeping the client’s long-term vision in sharp focus.'
- 'Yana Todorova brings an impressive skill set to the table. She excels at managing the contractual and operational aspects of innovative business models, ensuring that complex partnerships and agreements are structured with precision and foresight. Yana has a keen eye for detail and a deep understanding of how to make technology-driven ventures legally robust without stifling innovation. Her responsiveness, creativity, and ability to explain complex concepts in a straightforward manner make her an invaluable advisor for both management and operational teams.'
- 'Kambourov & Partners’ TMT team combines exceptional legal expertise with a genuine understanding of complex technologies. They stand out for their ability to simplify complicated matters and provide clear, actionable advice. Highly tech-savvy and comfortable with cutting-edge software and telecom issues, they are an invaluable partner in technology-driven projects. The team brings together sharp legal skills, strong commercial awareness, and a commitment to delivering solutions that work in practice, not just on paper. Their responsiveness, proactive approach, and seamless collaboration with both technical and business teams set them apart from other firms in the market.'
Key clients
- 24 Open
- Alliance for Creativity and Entertainment (ACE)
- Balkansat
- Broadcom Inc.
- Economedia
- Izabel Ovcharova - Izi
- Kapsch Trafficom AG
- Lidl
- Maternity Solutions
- Maxima Bulgaria
- Netinfo
- Nexo
Work highlights
Advised 24 Open on the launch and operation of its fully automated business model.
Advises Nexo on data protection and compliance matters.
Advises Vivacom on a range of regulatory, corporate, litigation and competition matters.
Lawyers
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.
Practice head
Margarita Guigova
Other key lawyers
Yana Todorova; Mario Arabistanov