Marcus Goldman & Co. (later Goldman, Sachs, Investment Bankers). Founded by German–Jewish immigrant Marcus Goldman.
…specializing in Commercial Paper (…When his son–in–law Samuel Sachs joined him in the 1890s, the expanded firm name was adopted).
Note: at the time of its founding, Goldman, Sachs was dwarfed in size by other German–Jewish investment bankers of the day, like Seligman…