Kambourov & Partners

TMT

Partner

Mario Arabistanov is a leading figure in the firm’s TMT practice. He advises on the full range of high-level TMT matters, including the establishment, structuring, and acquisition of telecom and media operators, as well as content and licensing agreements. He plays a key role in preparing transactional documentation and legal due diligence for M&A deals in the tech and communications sectors.

He is also a trusted advisor in personal data protection, assisting numerous high-profile clients with compliance, risk management, and ensuring adherence to data privacy laws. In 2024, Mario expanded his role by becoming the Data Protection Officer for one of Bulgaria’s largest retail chains, underscoring his leadership and expertise in this critical area.

Mario regularly advises clients in the tech and IT sectors on regulatory matters related to software and hardware deployment, IP protection, data privacy, and migration regimes for hiring non-EU nationals. He also provides strategic regulatory and commercial advice to a growing roster of audiovisual and e-commerce clients, including vloggers, video-sharing platforms, and online marketplaces, guiding them through Bulgaria’s evolving digital landscape.

Mario’s combination of sector-specific knowledge, regulatory insight, and commercial acumen ensures comprehensive legal support for both established players and innovative startups in the TMT space.