Brown Brothers Harriman & Co. (BBH) is the oldest and largest private bank in the United States. Founded in 1818, BBH has been a leader in the financial industry for over 200 years. The company provides a wide range of financial services to individuals, families, and institutions, including wealth management, investment management, and private banking. BBH has offices in the United States, Europe, and Asia, and manages over $1.6 trillion in assets.