5 Biggest Insurance Companies in the World

4. UnitedHealth Group Incorporated (NYSE:UNH)

Total revenue of the company (in millions): 287,597

Total profits of the company (in millions): 17,285

Total assets of the company (in millions): 212,206

Total employees of the company: 350,000

UnitedHealth Group Incorporated (NYSE:UNH) would have topped the list based on both revenue and profits, but dropped down the list because its assets, despite being value at $212 billion, are much smaller than most other insurance companies. UnitedHealth Group Incorporated (NYSE:UNH) has been at the forefront of several controversies investigations by the SEC and the Internal Revenue Service for backdating stock options worth hundreds of millions of dollars.