Exhibit 23.1

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Consent of Independent Registered Public Accounting Firm

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We hereby consent to the incorporation by reference in the Registration Statements on Form S-8 (Nos. 333-167300, 333-239003, 333-279972) of TTEC Holdings, Inc. of our report dated February 26, 2026 relating to the financial statements and the effectiveness of internal control over financial reporting, which appears in this Form 10-K.

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/s/ PricewaterhouseCoopers LLP

Dallas, Texas

February 26, 2026