Constantin Achillas has more than 30 years’ experience as commercial trial lawyer and in corporate risks.

He leads BCLP's Business & Corporate litigation team in Paris. His cross-border and multi-jurisdictional litigation practice encompasses a wide range of complex civil and commercial cases before state courts and also arbitration courts. He also regularly practices ADR, including mediation. He has been mostly handling complex, cross-border plain commercial and corporate litigation as well as those with a white-collar crime dimension (fraud, tax evasion, embezzlement, forgery) and/or with an assets recovery angle. Since 2017, he is also helping companies to put in place from scratch- Sapin II compliance programs or to adapt and complete pre-existing US or UK compliance internal rules. He was frequently appointed as expert by the French anti-corruption agency (AFA) to assist them in their investigations as well as in their prosecutor-assigned missions. He is familiar with E.U. trade sanctions and their interaction with U.S. sanctions.

He primarily acts for mid-size and large domestic and international corporations in various sectors (food, healthcare & life sciences, cosmetic beauty, hospitality, retail and tech companies) as well as a number of financial institutions (banks and insurance carriers).

Finally, Constantin Achillas is an active Pro Bono contributor. Since 2016, he seats at the Board of the France-based NGO Solidarités International.