Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

To the Plan Administrator of The

Hudson Global, Inc. 401(k) Savings Plan

We consent to the incorporation by reference in the registration statement (Nos. 333-104210 and 333-161170) on Form S-8 of Hudson Global, Inc. of our report dated June 24, 2015, with respect to the statements of net assets available for benefits of the Hudson Global, Inc. 401(k) Savings Plan as of December 31, 2014 and 2013 and the related statement of changes in net assets available for plan benefits for the year ended December 31, 2014, and related supplemental schedule, Schedule H, Line 4i - Schedule of Assets (held at end of year) as of December 31, 2014, which report appears in the December 31, 2014 annual report on Form 11-K of the Hudson Global, Inc. 401(k) Savings Plan.

/s/ KPMG LLP

New York, New York

June 24, 2015