Stek acted as legal counsel to the shareholders of SINCERIUS on the sale of their interests to PIA Group.

SINCERIUS is a leading boutique firm specialised in financial due diligence. Founded in 2010, the firm operates from offices in Amsterdam, Rotterdam and Utrecht with a team of approximately 50 professionals.

The transaction aligns with PIA Group’s strategy to strengthen its position in the financial services sector by partnering with entrepreneurial and specialised firms. PIA Group has grown into an international organisation with over 70 offices and more than 2,300 professionals across the Netherlands and Belgium.

This partnership enables SINCERIUS to further professionalise and scale their services internationally, while maintaining their identity and entrepreneurial culture.

The Stek team consisted of Ruben Tros and Fitz MacLean.