After the merger Swiss Bank Corporation

sbc had announced in 1994 bank move headquarters stamford, connecticut, in exchange us$120 million in tax credits. later headquarters of ubs investment bank s trading operations, stamford complex featured largest trading floor ever built, size of 2 football fields. following expansion in 2002, floor covers 103,000-square-foot (9,600 m) 40-foot (12 m) arched ceilings.

ubs, successor of union bank of switzerland, among largest diversified financial institutions in world. of 2010, ubs operated in of major financial centers worldwide offices in on 50 countries , 64,000 employees globally.

in november 2000, ubs merged paine webber american stock brokerage , asset management firm led chairman , ceo, donald marron. acquisition pushed ubs top wealth , asset management firm in world. business given divisional name ubs painewebber in 2003 123-year-old name paine webber disappeared when renamed ubs wealth management usa.

the bank grow considerably in 2000s, building large investment banking franchise compete major , european bulge bracket firms. however, ubs suffered major setbacks in 2007, 2008 , 2009. ubs suffered among largest losses of european bank during subprime mortgage crisis , bank required raise large amounts of outside capital government of singapore investment corporation, swiss government , through series of equity offerings in 2008 , 2009.