BKF Capital Group, Inc., through its subsidiaries, invests in publicly and privately owned businesses in the United States. The company also provides investment banking services, such as mergers and acquisitions advisory, and capital raising services to lower and middle-market companies. It also manufactures and markets data storage system products and power solutions under the Qualstar brand name. BKF Capital Group, Inc. was incorporated in 1954 and is headquartered in Irvine, California.