GlaxoSmithKline P.L.C. has hired Affiliated Computer Services Inc. to administer benefits programs and other human resources operations.

GlaxoSmithKline, Brentford, Middlesex, United Kingdom, has agreed to pay about $171 million for the contract over 10 years, according to ACS, Dallas.

ACS will handle payroll processing as well as benefits administration for GlaxoSmithKline in the United States, and it will run employee and manager Web sites for the company’s U.S. and U.K. businesses, ACS says.