Sienna Private Equity

Sienna Private Equity, founded by Vincent Catherine and Hugo d’Avout, is a Groupe Bruxelles Lambert (GBL) company focusing on value-oriented private equity opportunities within the European mid-market.

Sienna Private Equity has been founded by Vincent Catherine and Hugo d’Avout , combining the team’s versatile private equity and special situations skillset developed from their prior experiences, with unique networks and strong backing from GBL. Sienna Private Equity will pursue its distinctive all-weather investment strategy focusing on developing, fixing or improving established companies in value-oriented private equity opportunities and building sector leaders in buy-and-build platforms.

Sienna Private Equity, based in Paris, and Milan, focuses on selected sectors within the European mid-market supported by positive mega trends, for which the team can bring its active contribution to building stronger companies and promising projects.


Sienna Private Equity is a simplified limited liability company under French law, registered in Paris RCS (Trade and Companies Register) under number 913 450 342-CIF (Conseil en Investissements Financiers).