# Brown Brothers Harriman
Brown Brothers Harriman (BBH) is the oldest and largest private investment bank in the United States, formed on January 2, 1931, by the merger of Brown Brothers & Co. (founded 1818) with W.A. Harriman & Co. — the firm led by [[George Herbert Walker]] on behalf of the Harriman brothers. The merged entity became the financial nucleus of a WASP dynasty that would produce two presidents, a senator, and a governor, making BBH a case study in how [[Gilded Age]] finance converted itself into durable political power across the twentieth century.
## The 1931 Merger and Partnership
The merger united three firms: the old-line Brown Brothers & Co. (tracing to the Baltimore linen trade of 1800), the Harriman brothers' investment house, and the smaller Harriman Brothers & Company. The founding partners of BBH included [[Prescott Bush]], W. Averell Harriman, E. Roland Harriman, and [[George Herbert Walker]] — all bound together by marriage, [[Skull and Bones]] membership at Yale, and overlapping directorships. Prescott Bush had married Walker's daughter Dorothy in 1921, braiding the Walker and Bush fortunes into a single Eastern-establishment network that would anchor the [[Bush Family]] dynasty for the rest of the century.
Averell Harriman went on to serve as ambassador to the Soviet Union and the United Kingdom, governor of New York, and a key architect of Cold War diplomacy, while [[Prescott Bush]] leveraged his BBH standing into a Connecticut U.S. Senate seat (1952–1963) that launched the family's political line through [[George H.W. Bush]] and [[George W. Bush]].
## The Union Banking Corporation Episode
The most controversial chapter in BBH's history involves the Union Banking Corporation (UBC), a New York–chartered bank incorporated in 1924 and housed in BBH's offices at 39 Broadway. UBC served as a conduit for the financial interests of German industrialist Fritz Thyssen, an early financier of the [[Nazi Party]] who later claimed to have broken with [[Adolf Hitler]] before the war. [[Prescott Bush]] sat on UBC's board of directors.
On October 20, 1942, the U.S. government seized UBC's assets under the Trading with the Enemy Act, along with two related entities — the Holland-American Trading Corporation and the Seamless Steel Equipment Corporation — for operating as fronts for "enemy nationals." The seizure order identified Thyssen-linked shareholders and froze the bank's holdings for the duration of [[World War II]]. Bush and the other American directors were not charged with criminal wrongdoing, and their shares were liquidated after the war for approximately $1.5 million, but the episode has shadowed the Bush family's public image ever since.
The UBC affair sits within a broader pattern of American corporate entanglement with the Third Reich during the interwar period — parallel to the documented dealings of [[Henry Ford]], [[IBM]], and [[Standard Oil]] with Nazi Germany — and raises recurring questions about the accountability of finance capital in enabling [[Authoritarianism]].
## BBH and the Eastern Establishment
BBH epitomizes the social infrastructure of the mid-century [[Republican Party]] elite: private-bank partnerships sealed by prep-school friendships, [[Skull and Bones]] taps, summer compounds, and corporate board interlocks. The firm's partners moved fluidly between finance, diplomacy, intelligence, and elected office — a [[Revolving Door]] pattern that predates and prefigures the modern [[Military-Industrial Complex]]. The bank's culture of discretion and its partnership structure (no public shareholders, no mandatory disclosures) made it a template for the kind of establishment power that operated through social networks rather than transparent institutions.
As a private partnership, BBH still operates today in custody, clearing, and wealth management, with roughly $13 trillion in assets under custody — enormous scale paired with a deliberately low public profile. Its historical significance for this knowledge base lies less in its current operations than in the dynasty, ideology, and institutional access it incubated: a direct line from Gilded Age railroad money through interwar German finance to the postwar national-security state and the Bush presidential dynasty.
## See Also
- [[Bush Family]]
- [[Prescott Bush]]
- [[George Herbert Walker]]
- [[George H.W. Bush]]
- [[George W. Bush]]
- [[Skull and Bones]]
- [[Gilded Age Plutocracy]]
- [[Revolving Door]]
- [[World War II]]