TTEC Holdings, Inc.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

SCHEDULE 14A

Proxy Statement Pursuant to Section 14(a) of the

Securities Exchange Act of 1934 (Amendment No. )

CHECK THE APPROPRIATE BOX:

TTEC Holdings, Inc.

(Name of Registrant as Specified In Its Charter)

(Name of Person(s) Filing Proxy Statement, if Other Than the Registrant)

PAYMENT OF FILING FEE (CHECK ALL BOXES THAT APPLY):

Dear Stockholders:

It is my pleasure to invite you to join us at the Annual Meeting of TTEC Holdings, Inc. The meeting will be held on Thursday, May 21, 2026, at 10:00 a.m. Central Daylight Time, and will be conducted virtually. You will be able to attend the Annual Meeting, vote, and submit your questions during the live webcast of the meeting by visitingwww.virtualshareholdermeeting.com/TTEC2026 and entering the 16-digit control number included in our notice of internet availability within the proxy materials, on your proxy card, or in the instructions that accompanied your proxy materials.

As permitted by the Securities and Exchange Commission (SEC), we are making our proxy materials available to our stockholders electronicallyvia the internet. In our business, we are focused on improving the engagement between our clients and their customers. Our aspirations with respect to our stockholders are no different. We believe electronic delivery expedites your receipt of materials, reduces the environmental impact of our Annual Stockholders Meeting, reduces costs significantly, and enhances our stockholders’ experience in accessing our information, understanding our business, and the way in which TTEC is governed and managed.

For additional information about the Annual Meeting, please see theImportant Information About the Proxy Materials and Voting Your Shares section of this Proxy Statement.

PLEASE VOTE.

Your vote is important. Whether or not you plan to attend the Annual Meeting via the webcast, we encourage you to read these materials carefully and promptly vote your shares. There are several ways you can vote: via the internet, by telephone, by mailing the enclosed proxy, or by attending our Annual Stockholders Meeting virtually. Please vote as soon as possible to ensure that your vote is recorded promptly. If you hold shares in a brokerage account, your broker will not be able to vote your shares on most matters unless you provide your voting instructions.

On behalf of the Board of Directors and over 50,000 TTEC employees, thank you for your continued confidence in TTEC and our business.

Very truly yours,

KENNETH D. TUCHMAN

Chairman and Chief Executive Officer

Principal Executive Office

Notice of 2026 Annual Meeting

Thursday, May 21, 2026

10:00 a.m. Central Daylight Time

Join the webcast atwww.virtualshareholdermeeting.com/TTEC2026.

ITEMS OF BUSINESS:

At the meeting, our stockholders will be asked to:

The meeting will also include a report on our financial results for fiscal year 2025, an overview of our 2025 Impact & Sustainability initiatives, and our outlook for the remainder of 2026.

RECORD DATE:

Only stockholders of record at the close of business on March 31, 2026, will be entitled to receive notice of, and to vote at, the 2026 Annual Meeting. Our total shares outstanding on the Record Date are 48,611,167.

By Order of the Board of Directors

Margaret B. McLean

General Counsel and Chief Risk Officer

Important Notice Regarding the Availability of Proxy Materials for the Annual Meeting to be held on May 21, 2026: This Notice of Annual Meeting and Proxy Statement and the 2025 Annual Report are available atttec.com.

Table of Contents

PROXY STATEMENT

ANNUAL MEETING