- Power Financial Corp. owns Great-West Life Inc.
- Great-West Lifeco Inc. owns The Great-West Life Assurance Company and Great-West Lifeco U.S. Inc.
- The Great-West Life Assurance Company owns Canada Life Financial Corporation, London Insurance Group Inc., GLC Asset Management Group Ltd., and GWL Realty Advisors Inc.
- Canada Life Financial Corporation owns The Canada Life Assurance Company Inc.
- The Canada Life Assurance Company Inc.owns Canada Life Capital Corporation Inc.
- Canada Life Capital Corporation Inc. owns The Canada Life Group (U.K.) Limited
- The Canada Life Group (U.K.) Limited owns Canada Life Limited
- Canada Life Limited owns Irish Life Group Limited
- Irish Life Group Limited owns Irish Life Assurance p.l.c.
- London Insurance Group Inc. owns London Life Insurance Company
- London Life Insurance Company owns London Reinsurance Group Inc. and Quadrus Investment Services Ltd.
- Great-West Lifeco U.S. Inc. owns GWL&A Financial Inc. and Putnam Investments, LLC
- GWL&A Financial Inc. owns Great-West Life & Annuity Insurance Company
- Great-West Life & Annuity Insurance Company owns Advised Assets Group, LLC and FASCore, LLC and Great_west Capital Management, LLC and Great-West Financial Retirement Plan Services, LLC and Great-West Life Trust Company, LLC and GWFS Equities, Inc.
Quadrus Investment Services Ltd. is a subsidiary of London Life Insurance Company and an affiliate of The Great-West Life Assurance Company. Both Great-West Life and London Life are members of the Power Financial Corporation group of companies.
Together, London Life, Great-West Life and Canada Life serve the financial security needs of more than 12 million Canadians (as of Dec. 31, 2015).