Ms Anna Rizova > Wolf Theiss > Sofia, Bulgaria > Lawyer Profile

Wolf Theiss
1407 SOFIA
Anna Rizova photo

Work Department

Corporate/M&A; Competition and Antitrust; Energy; TMT. As Managing Partner for Wolf Theiss in Bulgaria, Anna leads a wide range of complex cross-border M&A transactions, investment projects and market entries for global corporates, with a particular focus on telecoms, outsourcing, energy and pharmaceuticals. Recognised for her considerable expertise in managing multinational assignments, she has been the trusted advisor for leading international companies; including acting as lead lawyer for South Stream Transport since 2012 on the development of the offshore part of the South Stream gas pipeline.


Partner; specialised in Energy, Competition & Antitrust, Corporate/Mergers & Acquisitions, Regulatory and Procurement, Real Estate, Dispute Resolution.


Partner, Wolf Theiss, since 2011.


Bulgarian, English, French, Russian.


Sofia Bar Association.


Law Faculty, Sofia University ‘St. Kliment Ohridski’, Master of Law; Boston University (audited classes).

Lawyer Rankings

Bulgaria > Commercial, corporate and M&A

CEE leader Wolf Theiss fields a team of experienced practitioners, who handle a wide range of work both as lead counsel and local counsel, particularly in the technology and energy sectors, including major cross-border transactions. Richard Clegg leads the practice group and has notable experience in infrastructure, telecoms and energy transactions. Other key members of the team include Anna Rizova, who acts for pharmaceutical and industrial companies on commercial and regulatory matters, and Katerina Kraeva, who has experience in corporate and financial transactions.

Bulgaria > Energy and natural resources

Commended for its ‘deep understanding of the energy industry’, Wolf Theiss advises both domestic and multinational clients on a range of power-related mandates, such as conventional and ‘renewable energy projects and electricity trading’, among others. Specialist partner Radoslav Mikov, who focuses on regulatory matters and energy project developments, jointly leads the practice alongside Anna Rizova, who acts for clients in the electricity and natural gas sectors. Counsel Oleg Temnikov is praised by one client as ‘a brilliant energy and regulatory lawyer’.

Bulgaria > Dispute resolution

The ‘well-balanced litigation team’ at Wolf Theiss  is recommended for ‘disputes in highly regulated sectors, including energy and banking’, and represents some of the largest energy companies in Bulgaria, including MET Black Sea Wind Parks and ERG Renew Group. Managing partner Anna Rizova, who specialises in commercial litigation, jointly leads the practice alongside Radoslav Mikov, who is a ‘reputed expert in energy disputes’. Praised as ‘one of the rising stars and future leaders in litigation in Bulgaria’, Oleg Temnikov has particular expertise in cross-border cases and insolvency proceedings.

Bulgaria > Intellectual property

Wolf Theiss advises domestic and international companies across the TMT, outsourcing, financial services, food and healthcare sectors on a range of matters, including the IP aspects of cross-border M&A deals, licensing agreements and prosecution of IP disputes before administrative and judicial courts. Transactional and regulatory partner Richard Clegg, who acts for technology-sector clients on IP matters, jointly leads the practice alongside managing partner Anna Rizova, who acts for global corporates in transactions involving the transfer of know-how.

Bulgaria > TMT

The TMT practice group at Wolf Theiss handles high-end, cross-border transactions in the media industry, as well as financing mandates arising out of the telecoms sector, and counts Software Group, Visa Europe and Megaport, to name a few, among its key roster of clients. Corporate partner Richard Clegg, who has experience in the technology sector, in addition to handling TMT and IT-driven venture capital deals, jointly leads the team alongside managing partner Anna Rizova, who focuses on regulatory issues in this space.

Bulgaria > EU and competition

Wolf Theiss has demonstratable experience in national and multinational merger control mandates, as well as competition compliance and state aid matters, and the team – which advised the banks on competition compliance and state aid matters relating to the financing of the Sofia Airport Concession – is praised for its ‘excellent industry and business knowledge‘. Practice leader Anna Rizova is noted for her regulatory and competition expertise, and acts for clients across the energy, telecoms and pharmaceutical sectors. Counsel and ‘first point of contact’, Hristina Dzhevlekova, is ‘highly competent and experienced in competition law’.

Bulgaria > Healthcare and life sciences

The team at Wolf Theiss handles a wide range of mandates, from procurement and financing to licensing and corporate, and is advising biopharmaceutical company Celgene International Sàrl on compliance requirements and regulatory matters in regarding its business in Macedonia and Bulgaria. The team also acts for international R&D and generic pharma companies, including Eli Lilly, as well as clinical trials’ providers and medical devices manufacturers. Managing partner Anna Rizova, who focuses on antitrust and competition issues in the pharma and healthcare sectors, leads the practice group, which includes counsel Hristina Dzhevlekova.

Bulgaria > Real estate and construction

Wolf Theiss focuses on advising on the structuring of multi-phase projects and real estate investments, financing and corporate mandates for real estate companies, as well as acting as lead adviser to leading retailers, including international clothing company H&M Hennes & Mauritz, regarding commercial lease agreements. The multidisciplinary team also counts Strabag and Business Park Sofia among its key roster of clients. Managing partner Anna Rizova heads the practice with the support of Katerina Kraeva, who handles the financing aspects of real estate transactions. Senior associate Maria Nikolova is another key member of the team. In January 2022, the arrival of Radosveta Kojuharova from Kambourov & Partners further strengthened the offering.

Bulgaria > Projects and PPP

Wolf Theiss handles top-end infrastructure projects, such as advising the European Investment Bank on the financing of the Bulgaria-Greece Interconnector project, as well as cross-border privatisations and concessions. The multidisciplinary team also represents the lenders, including EBRD, IFC and UniCredit Bulbank, among others, in the financing of Sofia Airport Concession. Managing partner Anna Rizova leads the practice group, which includes corporate partner Richard Clegg, whose expertise lies in infrastructure and regulated sectors, banking and finance specialist Katerina Kraeva and Radoslav Mikov, who handles a broad spectrum of energy-related mandates.