EXHIBIT 23.1 AUDITOR'S CONSENT
Published on March 1, 2018
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
To the Audit Committee
VolitionRX Limited
As independent registered public accountants, we hereby consent to the incorporation by reference of our report dated March 1, 2018, contained in this annual report on Form 10-K with respect to the consolidated financial statements of VolitionRX Limited, in its registration statements on Form S-3 (Registration Statement Nos. 333-195213 and 333-206781) and its registration statements on Form S-8 (Registration Statement Nos. 333-208512, 333-214118 and 333-221054).
/s/ Sadler, Gibb & Associates, LLC
Sadler, Gibb & Associates, LLC
Salt Lake City, UT
March 1, 2018
office801.783.2950
fax801.783.2960
www.sadlergibb.com / Main: 2455 East Parley’s Way, Suite 320, Salt Lake City, UT 84109 / Provo: 3507 N University Ave #100, Provo UT 84604