Siebert Financial Corp. is a diversified financial services firm providing securities brokerage, investment advisory services, insurance offerings, and corporate stock plan administration through subsidiaries. Its primary operating subsidiary, Muriel Siebert & Co., is a self-clearing broker-dealer serving retail and institutional clients with self-directed trading, market making, stock borrow/loan services, equity compensation plans, and wealth management, complemented by robo-advisory technology through its registered investment adviser subsidiary and full-service insurance products through Park Wilshire Companies. The company generates revenue from brokerage commissions, advisory fees, investment banking services, insurance premiums, and technology services, competing against online brokers, discount brokers, traditional financial institutions, and technology companies by differentiating through personalized customer service, technology innovation, and operational efficiency.