Siebert Brandford Shank & Co. L.L.C. is the largest minority- and woman-owned investment bank in the U.S. Siebert Brandford Shank & Co. L.L.C is the parent company of Muriel Siebert & Co., Inc. and the SBS Financial Products Co. L.L.C.
The New York City-based firm engages in municipal bond underwriting and financial advisory services.
In March 2008 firm became senior manager for the $1.75 billion State of California Various Purpose General Obligation Bonds—the largest transaction ever completed by a minority-owned or woman-owned firm in the country.
The company operates 20 offices throughout the U.S. including New York, California, Texas, Alaska, Louisiana, Florida, Illinois, New Jersey, Michigan, Missouri, Washington State, Georgia, and the District of Columbia.