EXHIBIT 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We consent to the incorporation by reference in this Registration Statement on Form S-8 of our reports dated March 23, 2018, relating to the financial statements of comScore Inc., and the effectiveness of comScore Inc.’s internal control over financial reporting (which report expresses an adverse opinion on the effectiveness of the Company's internal control over financial reporting because of material weaknesses), appearing in the Annual Report on Form 10-K of comScore, Inc. for the year ended December 31, 2017.
/s/ Deloitte & Touche LLP
McLean, Virginia
June 1, 2018