
The white-collar crime team at Musat & Asociatii has extensive experience representing domestic and foreign companies and HNW individuals in investigations, while also handling the resulting litigation. Standout members are Stefan Diaconescu, ‘instrumental’ in criminal and internal inquests, Gheorghe Muşat, proficient in cross-border investigations, and Alexandru Terța, an adept advisor on financial crime matters. Liviu Togan is also a key contact, having joined the practice in June 2025, and focuses on dispute resolution.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- ‘The white-collar criminal team of Musat & Asociatii stands out in a highly competitive market for their skills, knowledge, and remarkable solutions. I have worked with their WCC team for the past 5 years and can attest to their outstanding capabilities, especially those of Stefan Diaconescu. The team has introduced new cutting-edge tech and AI to provide me with the best legal solutions, has a great diversity, and competitive billing rates, all of which have made me place my full trust in this legal team.’
- ‘The most remarkable lawyer I have had the pleasure of working with is Stefan Diaconescu. He has extensive knowledge, great people skills, and has provided the best legal advice for my company and me for the past five years, while always being attentive to our needs. I would recommend Stefan to anyone in need of white-collar criminal advice or representation, as he excels in both dealings with criminal investigation authorities and before judges. Everyone should remember the name Stefan Diaconescu, as he truly is the best.'
- ‘Musat & Asociatii has been our partner since 2017. Over the years, we have entrusted multiple mandates to them, and the positive results obtained have confirmed what we already knew, namely, that they are a reliable partner for our company. The services provided have always been of perfect professionalism and of the highest quality.’
- 'Within the criminal law department, we worked with Stefan Diaconescu, a lawyer with extensive experience in this field of law. Stefan has proven that he is a trustworthy lawyer, having very good knowledge in criminal law, attentive to details, and always focused on positive results.’
- ‘Stefan Diaconescu leads a stellar squad of attorneys whose sole focus appears to be obtaining the best results for their clients while also being cost-sensitive and open to constructive feedback. We have worked with the white-collar criminal team at Musat & Asociatii for over 11 years, and they have always been impeccable, offering top-notch legal advice in time-sensitive matters that require niche knowledge and a sound understanding of very technical fields. The WCC team is quite diverse, fielding attorneys at various experience levels, while also collaborating impeccably with in-house legal counsel and other external law firms. They are also proficient in cybersecurity and in implementing compliance procedures, which we have found highly useful in the ever-changing legal landscape of Romania. ’
- 'We work exclusively with Stefan Diaconescu as he stands out for his brilliant legal knowledge, his in-depth understanding of the criminal investigation phase procedures, and the best ways to obtain a favourable outcome. We have known Stefan for over 11 years and have placed our full trust in his legal work and strategy as he has proven to be the best criminal defence attorney we could have asked for, truly surprising us.’
Key clients
- KMG International NV
- Leoni AG
- Costel Alexe
- Irinel Popescu
Work highlights
Representing KMG International NV and its affiliated companies in relation to EUR 1.6bn civil liabilities and commercial claims following the investigation performed by the Romanian authorities regarding the conditions for the privatisations procedures.
Representing Leoni Group in various court cases related to the investigation of a transnational informatics fraud, which led to a series of fraudulent transfers in the amount of EUR 40m.
Assisting Costel Alexe in several criminal cases regarding allegations of corruption crimes, abuse of office, embezzlement, and forgery of documents.
Lawyers
Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.

Practice head
Gheorghe Mușat; Alexandru Terța; Ștefan Diaconescu
Other key lawyers
Liviu Togan
