
Fielding a busy projects and PPP practice, Kambourov & Partners is well versed in all aspects of project development from acquisitions and planning to financing, construction and operational matters. The team supports clients across the transport, energy, and social infrastructure industries, and frequently advises on regulatory frameworks. The group is led by Stefan Tzakov, who has broad experience extending to tender documentation and concession procedures; and Atanas Shopov, who has a particularly impressive practice in project development across the real estate, energy and retail sectors.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Sector knowledge
Testimonials
Collated independently by Legal 500 research team.
- 'The projects and PPP practice is recognised for its comprehensive expertise across all stages of project development and implementation, from structuring and financing to procurement and operation. The team advises public authorities, sponsors, lenders, and contractors on complex infrastructure and public-private partnership projects across sectors such as transportation, energy, utilities, healthcare, and education.'
- 'Their attention to detail, responsiveness, and proactive approach ensured that our interests were always well-protected.'
- 'They stand out for their thorough understanding of the market, attention to detail, and proactive approach ensured smooth and successful achievement of the company.'
- 'Stefan Tzakov is a key figure in the firm’s projects and PPP practice, recognised for his extensive experience in advising both public authorities and private investors on large-scale infrastructure and concession projects. He regularly advises on the structuring, financing, and implementation of PPP schemes across sectors such as energy, transport, utilities, and public services.'
Key clients
- Kozloduy Nuclear Power Plant (NPP) – New Build EAD
- Radina House
- Tessa Energy
- Balkan Logic
- Europlaza
- Aurubis
- Samkarshan
- Gray Stone
- Monolit
- NEPI Rockcastle
- United Group
- Escatec
Work highlights
Advising Kozloduy New Build on the development of Units 7 and 8 of the Kozloduy Nuclear Power Plant, in partnership with Westinghouse and Hyundai, a €14bn project.
Advising Monolit on the Sofia Metro Line 3 underground extension, including zoning, procurement, and permitting in one of Bulgaria’s largest public transport infrastructure projects.
Advising United Group on the full development cycle, licensing, and financing of utility-scale solar energy projects in Bulgaria.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Practice head
Stefan Tzakov; Atanas Shopov
