Buck Consultants remained an independent organization until 1997 when it was acquired by Mellon Financial.

[5] Affiliated Computer Services (ACS) acquired Mellon's human resource businesses in 2005[6] and reintroduced the Buck Consultants brand.

Buck Consultants, which was one of the businesses spun off, was renamed Conduent HR Services.

[8] In May 2018, Conduent announced that it would sell the Buck Consultants portion of its business to H.I.G.

Capital, starting the clock on a 90-day transition period in which it hoped to complete the sale.