EXHIBIT 23.1
CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in this Registration Statement onForm S-8 of our report dated February 26, 2016 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in MSCI Inc.’s Annual Report on Form10-K for the year ended December 31, 2015.
| /s/ PricewaterhouseCoopers LLP |
| April 28, 2016 |
