0001297989 2020-05-07 2020-05-07 0001297989 2019-10-29 2019-10-29 false 0001297989 8-K 2021-04-29 EXLSERVICE HOLDINGS, INC. DE 001-33089 82-0572194 320 Park Avenue, 29th Floor, 10022 New York, NY 212 277-7100 false false false false false Common Stock, $0.001 par value per share EXLS NASDAQ