Our history
Personalised service with centuries of experience
InsingerGilissen was formed in 2017 through the merger of Insinger de Beaufort and Theodoor Gilissen: two private banks of Amsterdam origin with historical roots dating back to 1779 and 1881. The name InsingerGilissen refers to the respective founders of these banks.
Herman Albrecht Insinger
Theodorus Antonius Josephus Gilissen
1779
1881
1967
1976
2003
2005
2009
2017
2020
2026
1779
The origins of Insinger & Co.
Herman Albrecht Insinger and Paulus Prins set up a bank in Amsterdam. The bank is becoming a trusted name in the Dutch private banking industry.
1881
The founding of Theodoor Gilissen
Theodoor A.J. Gilissen opens his bank in Amsterdam, aimed at wealthy individuals and their families. The bank is building a reputation for discretion and bespoke services.
1967
Integration of Bank Mees & Hope
Theodoor Gilissen becomes part of Bank Mees & Hope, later known as MeesPierson. The bank will continue to focus on private banking.
1976
Merger of Insinger with Willems & Cie
Insinger de Beaufort strengthens its position by merging with Willems & Cie, another renowned private bank.
2003
Takeover by Kredietbank Luxembourg (KBL epb)
Theodoor Gilissen joins Kredietbank Luxembourg European Private Bankers, adding international expertise.
2005
Merger with Effectenbank Stroeve
Theodoor Gilissen merges with Effectenbank Stroeve, which leads to a broader range of services and a stronger market position.
2009
Collaboration with BNP Paribas
Insinger de Beaufort merges with Nachenius Tjeenk and starts working with BNP Paribas, increasing its international strength.
2017
Merger creating InsingerGilissen
Insinger de Beaufort and Theodoor Gilissen join forces. The merger marks the beginning of InsingerGilissen: a new name based on centuries of experience.
2020
Quintet Private Bank
KBL epb changes its name to Quintet Private Bank. InsingerGilissen becomes a branch of Quintet Private Bank (Europe) S.A., while retaining its local identity and expertise.
2026
InsingerGilissen Named Best Private Bank Once Again
InsingerGilissen has been named the Best Private Bank in the Netherlands at the IEX Golden Bull Awards 2026 for the fifth time in ten years. This distinction confirms that our success is not a one-off achievement, but the result of the strong relationships we build with our clients. Relationships founded on mutual trust, continuity, and a shared long-term vision.
