Sohn & Co. is derived from the son of the company founder Benjamin Metzler, who wanted to remember his deceased[3] father by this naming.

As early as the end of the 17th century, there was a coupling of merchandise and financial transactions due to the significant distance trade activities.

Since then, owners of the bank have almost uninterruptedly been represented on the management body of the Frankfurt Stock Exchange and Deutsche Börse AG.

[6] Towards the end of the 19th century the competition with the newly formed joint-stock banks led to a strategic orientation of the business toward the core competences of a private bank: renouncing the on-balance-sheet business and concentrating on individual financial services.

[8] The Metzler bank focuses on capital market services for institutions and private clients in its core businesses asset management, capital markets, corporate finance and private banking.

Metzler Asset Management customers include the Versorgungsanstalt des Bundes und der Länder (Federal and State Utilities Agency).

In addition to asset management for wealthy individuals and institutional clients, Metzler is also active in mutual funds business.

With around 800 employees, the Metzler bank runs branches or subsidiaries in Düsseldorf, Hamburg, Munich, Stuttgart, Atlanta, Los Angeles, Beijing, Seattle and Tokyo.

[9] In the history of the bank personally liable partners were active who were not members of the Metzler family, including: With the conversion into a Aktiengesellschaft (stock corporation) in 2021, the personally liable partners were appointed as members of the Executive Board of B. Metzler seel.