Exhibit 8.1

LIST OF SIGNIFICANT SUBSIDIARIES OF THE REGISTRANT

·AllianceSPEC Pte. Ltd. (incorporated in Singapore)

·Beijing Horizon Information & Technology Co., Ltd. (incorporated in the People’s Republic of China)

·DMK International, Inc. (incorporated in Delaware)

·hiSoft Japan Co., Ltd. (incorporated in Japan)

·HiSoft Envisage, Inc. (incorporated in Delaware)

·HiSoft Services (Beijing) Ltd. (incorporated in the People’s Republic of China)

·HiSoft Singapore Pte. Ltd. (incorporated in Singapore)

·HiSoft Systems Hong Kong Ltd. (incorporated in Hong Kong)

·HiSoft Systems (Shenzhen) Ltd. (incorporated in the People’s Republic of China)

·HiSoft Technology (Chengdu) Co., Ltd. (incorporated in the People’s Republic of China)

·HiSoft Technology (Dalian) Co., Ltd. (incorporated in the People’s Republic of China)

·HiSoft Technology (Shanghai) Co., Ltd. (incorporated in the People’s Republic of China)

·Insurance Systems Laboratory Co., Ltd. (incorporated in Japan)

·Wuxi HiSoft Services Ltd. (incorporated in the People’s Republic of China)

·Wuxi HiSoft Technology Training Co., Ltd. (incorporated in the People’s Republic of China)

·HiSoft Jinxin Technology (Beijing) Co., Ltd. (incorporated in the People’s Republic of China)

·Shanghai HURO Digital Technology Co., Ltd. (incorporated in the People’s Republic of China)

·Echo Lane, Inc. (incorporated in California)

·NouvEON Technology Partners, Inc. (incorporated in North Carolina)

·Logoscript International S.L. (incorporated in Spain)

·Logoscript S.L.U. (incorporated in Spain)

·Shenzhen Longhaul Information Technology Ltd. (incorporated in the People’s Republic of China)