Great-West Lifeco is a Canadian company operating in the finance, insurance, financial services, life insurance, and health insurance industries. Jeffry Hall Brock founded the company in 1891. The company's headquarters are located at 100 Osborne Street North, Winnipeg, Manitoba R3C 1V3, Canada.
Great-West Lifeco is listed on the Toronto Stock Exchange (TSX) with the stock symbol TSX. It has a number of subsidiaries, including The Great-West Life Assurance Company and Canada Life Financial.