Ladenburg Thalmann Financial Services Inc. operates as a diversified financial services company in the United States. Its Independent Advisory and Brokerage Services segment offers advisory and securities brokerage services for clients, including advisor managed accounts, general securities, mutual funds, and variable and fixed annuities; brokerage support services, such as access to stock, bond, exchange-traded fund, and options execution; insurance, non-traded real estate investment trusts, and unit trusts; and research, compliance, supervision, accounting, and related services. This segment also provides asset management services; and trust administration of personal and retirement accounts, estate and financial planning, wealth management, and custody services. Its Ladenburg segment offers investment banking services consisting of corporate finance services, such as underwritten public, registered direct, and at-the-market offerings, as well as private investment in public equity and other private placements; and strategic and financial advisory services. This segment also provides investment research, sales and trading, investment, administration, operation, securities transactions processing, and customer accounts services; and various asset management products and services, including asset management programs, investment consulting services, fund management, private investment management programs, retirement plan sponsor services, alternative investments, architect programs, and third-party advisory services. Its Insurance Brokerage segment delivers life insurance, fixed, and equity indexed annuities, as well as long-term care solutions to investment and insurance providers; and marketing strategies, product expertise, and back-office processing for fixed and equity-indexed annuities. The company was founded in 1876 and is headquartered in Miami, Florida. Ladenburg Thalmann Financial Services Inc. is a subsidiary of Advisor Group, Inc.