Siebert Cisneros Shank & Co., L.L.C. (formerly Siebert Brandford Shank & Co., L.L.C.) is a full-service investment banking and financial services company, working with a broad range of issuer clients nationally, including corporations, institutions and governments, providing comprehensive strategic advice, capital raising and risk management guidance with the mission to provide the highest level of value-added services to our municipal and corporate clients.

In November 2014, with the acquisition of Siebert Capital Markets, Siebert Cisneros Shank expanded its services from municipal investment banking to include corporate investment banking, both debt and equity, corporate share repurchase and equity execution.