Exhibit 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
To the Board of Directors of LiqTech International, Inc.
We hereby consent to the use in Amendment No. 1 to the Registration Statement on Form S-3 for LiqTech International, Inc., of our report dated March 25, 2014, relating to the December 31, 2013 and 2012 financial statements of LiqTech A/S, which appears in such Prospectus. We also consent to the reference to us under the heading "Experts".
/s/ Gregory & Associates, LLC
GREGORY & ASSOCIATES, LLC
Salt Lake City, Utah
July 1, 2014
