Northern Trust Corporation operates as a premier financial holding company, primarily functioning as a global custody bank and wealth manager. The company's business model is predominantly fee-based, generating revenue through two primary segments: Asset Servicing and Wealth Management. The Asset Servicing segment, which accounts for the majority of the firm's revenue (approximately 60%), provides global custody, fund administration, investment operations outsourcing, and related services to institutional clients such as pension funds, sovereign wealth funds, and endowments. The Wealth Management segment offers trust, investment management, private banking, and estate administration services to high-net-worth individuals and family offices. Geographically, while headquartered in the United States, Northern Trust maintains a significant global footprint with offices across North America, Europe, the Middle East, and the Asia-Pacific region. The company's competitive position is anchored by its massive scale in asset servicing—holding over $18 trillion in assets under custody and administration—and its long-standing reputation for financial expertise and client service.