UNUnitedHealth Group Incorporated is an American multinational for-profit company based in Eden Prairie, Minnesota, specializing in health insurance and health care services. Selling insurance products under UnitedHealthcare, and health care services under the Optum brand, it is the world's fourth-largest company by revenue and the largest health care company by revenue. The company is ranked fourth on the 2026 Fortune Global 500.
Company background via Wikipedia and Wikidata.
Vertical integration through Optum; underwriting cycle position.