UnitedHealth Group Incorporated is an American multinational for-profit company specializing in health insurance and health care services based in Eden Prairie, Minnesota. Selling insurance products under UnitedHealthcare, and health care services under the Optum brand, it is the world's seventh-largest company by revenue and the largest health care company by revenue. The company is ranked 8th on the 2024 Fortune Global 500. UnitedHealth Group had a market capitalization of $460.3 billion as of December 20, 2024. It has faced controversies and legal actions related to patient care denials, billing practices, and its market power.