EX-23.1 6 ex-231pwcconsent123124.htm EX-23.1

Exhibit 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (No. 333-272294 and 333-257619) and Form S-3 (No. 333-271763) of Integral Ad Science Holding Corp. of our report dated February 28, 2025 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

/s/ PricewaterhouseCoopers LLP

New York, New York

February 28, 2025