InsingerGilissen was established in 2017 when Insinger de Beaufort and Theodoor Gilissen merged. These two companies were originally private banks from Amsterdam with rich histories that date back to 1779 and 1881 respectively.
1779: Founded by Herman Albrecht Insinger and Paulus Prins
1976: Merger with Willems & Cie
2009: Partnership with BNP Paribas and merger with Nachenius Tjeenk
2017: Acquired by KBL epb
1881: Founded by Theodoor A.J. Gilissen
1967: Part of Bank Mees en Hope Iater Mees Pierson
2003: Acquired by KBL epb
2005: Merger with securities firm Stroeve
2020: KBL epb changes its name to Quintet Private Bank.
2020: InsingerGilissen becomes a branch of Quintet Private Bank (Europe) S.A.