
Kinstellar’s corporate expertise comes to the fore in large cross-border M&A transactions, joint ventures and infrastructure acquisitions, with the team also frequently advising on restructurings and the corporate aspects of business entries into the Bulgarian market. Diana Dimova and Nina Tsifudina jointly lead the team, with Dimova being a key contact for a range of corporate matters including M&A- and PE-transactions, public tenders and restructurings, and Tsifudina focusing her practice on corporate matters in the TMT and banking sectors, where she frequently assists private equity and venture capital firms. Further key names in the team are senior associates Denitsa Kuzeva, who handles corporate governance mandates, and Nikolay Gergov, who focuses on M&A. Senior counsel Boryana Boteva, who brings expertise in share and asset transactions, joined the team in January 2024 from Sabev & Partners Law Firm.
Testimonials
Collated independently by Legal 500 research team.
‘A very skilled and dedicated team, with plenty of sector-wise know-how. As of late, a lot of emphasis has been placed on tech-based approach to working processes, with the team visibly present in this sector.’
‘Team Bulgaria: Diana Dimova certainly stands out as the managing partner, leading the most complex cross-border jurisdictions. Nina Tsifudina has been a pleasure to work with on various regional advisory mandates.’
‘Kinstellar’s Commercial, Corporate, and M&A team stands out due to its deep industry knowledge, tailored client service, and a strong track record in complex transactions across multiple jurisdictions. Their expertise spans a wide range of industries, including technology, energy, financial services, and healthcare.’
‘Nina Tsifudina is a partner at Kinstellar possessing a unique blend of technical legal skills and commercial acumen. She is dedicated to her clients and has a proactive approach. She combines a meticulous attention to detail with an ability to see the "bigger picture". What I have most valued in working with Nina is her clarity, calm under pressure, and her exceptional communication skills.’
Key clients
- TAWAL
- Total Specific Solutions
- Eleven Capital
- YouGov plc
- United Energy Group
- Mitiska European Real Estate Partners 3
- United Bulgarian Bank AD
- UKG Inc.
- MET Group
- Glavbolgarstroy Holding
- GIC Private Limited
Work highlights
- Advising TAWAL on the acquisition of the telecommunication infrastructure of United Group B.V. in Bulgaria, Croatia and Slovenia, consisting of more than 4,800 towers, for EUR 1.2bn
- Advising United Energy Group on the acquisition of Green Profit EOOD, a developer of two photovoltaic power plant projects with approximate total capacity of 250 MW, for EUR 37.5m.
- Advising YouGov plc on the EUR 315m acquisition of the European Consumer Panel Business of GfK.
Lawyers

Practice head
The lawyer(s) leading their teams.
Diana Dimova, Nina Tsifudina