ACGL vs ARES Comparison

Arch Capital Group Ltd is a Bermuda company that writes insurance and reinsurance with operations in the United States, Canada, Europe, Australia, and the United Kingdom. The business operates through three underwriting segments: insurance, reinsurance, and mortgage. The insurance segment provides specialty risk solutions to clients across various industries. The reinsurance segment provides reinsurance services which cover property catastrophe, property, liability, marine, aviation and space, trade credit and surety, agriculture, accident, life and health, and political risk. The mortgage business provides risk management and risk financing products to the mortgage insurance sectors through platforms in the U.S., Europe and Bermuda.

Ares Management is one of the world's largest alternative-asset managers, with $622.5 billion in total assets under management, or AUM, including $384.9 billion in fee-earning AUM, at the end of 2025. The company has four main business segments: credit strategies ($406.9 billion in total AUM and $249.8 billion in fee-earning AUM), private equity, ($25.3 billion/$14.4 billion), real estate/real assets ($139.1 billion/$84.1 billion), and other alternatives ($51.2 billion/$36.6 billion). The firm primarily serves institutional investors (80% of AUM) and high-net-worth individuals (20%). Ares operates through more than 35 offices in over 15 countries around the globe.