Exhibit 23.1

Consent of Independent Registered Public Accounting Firm

We consent to the incorporation by reference in the registration statements (Nos. 333-251003, 333-262184, 333-262187 and 333-269412) on Form S-8 of our report dated January 27, 2023, with respect to the consolidated financial statements and financial statement Schedule II: Valuation and Qualifying Accounts of Concentrix Corporation and the effectiveness of internal control over financial reporting.

/s/ KPMG LLP

Cincinnati, Ohio

January 27, 2023