UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

Report of Foreign Private Issuer

Pursuant to Rule 13a-16 or 15d-16 of

the Securities Exchange Act of 1934

For the month of March, 2023

Commission File Number 001-32945

WNS (HOLDINGS) LIMITED

(Translation of Registrant’s name into English)

Gate 4, Godrej & Boyce Complex

Pirojshanagar, Vikhroli (W)

Mumbai 400 079, India

+91-22-6826-2100

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F  ☒                 Form 40-F  ☐

TABLE OF CONTENTS

WNS (Holdings) Limited is incorporating by reference the information and exhibits set forth in this Form 6-K into its registration statements on Form S-8 filed on July 31, 2006 (File No: 333-136168), Form S-8 filed on February 17, 2009 (File No. 333-157356), Form S-8 filed on September 15, 2011(File No. 333-176849), Form S-8 filed on September 27, 2013 (File No. 333-191416), Form S-8 filed on October 11, 2016 (File No. 333-214042) Form S-8 filed on October 31, 2018 (File No. 333-228070) and Form S-8 filed on October 21, 2020 (File No. 333-249577).

Other Events

On March 29, 2023, WNS (Holdings) Limited issued a press release announcing the appointment of Diane de Saint Victor to the Company’s Board of Director effective April 1, 2023.

A copy of the press release dated March 29, 2023 is attached hereto as Exhibit 99.1.

Exhibit

99.1    Press release of WNS (Holdings) Limited dated March 29, 2023.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

Date: March 29, 2023

EXHIBIT INDEX

Exhibit 99.1

WNS Announces Addition of Diane de Saint Victor to the Board of Directors

NEW YORK and MUMBAI, March 29, 2023 — WNS (Holdings) Limited (NYSE: WNS) (‘the Company’ or ‘WNS’), a leading provider of global Business Process Management (BPM) solutions, today announced the appointment of Diane de Saint Victor to the Company’s Board of Directors effective April 1, 2023. She will also become a member of the Company’s Audit and Nominating & Corporate Governance Committees.

Diane brings more than 40 years of transformative business experience to the WNS Board, including deep expertise in ESG and digital compliance, international law, talent management, and government relations. During her career, she has held senior-level roles with companies across industries including global industrial, consumer goods, and financial services firms.

Most recently, Diane was an Executive Committee Member of ABB, a Switzerland based technology leader in electrification and automation, where she led the global legal function as General Counsel. Prior to joining ABB, she held executive positions at Airbus Group, SCA Hygiene, Honeywell International, General Electric, and GE Healthcare. Diane currently serves as a non-executive director on the Boards of Imperial Brands, C&A AG, and Transocean. During her executive career, she was also a non-executive director on the board of Barclays.

“Diane has a proven track record of helping lead multi-national companies across various verticals and geographies. She brings a wealth of experience in corporate governance, change management, M&A, and sustainability to the WNS board,” said Tim Main, WNS’s Chairman of the Board. “We are pleased to welcome Diane to WNS, and believe that her unique experience and perspective will be an asset to the company.”

About WNS

WNS (Holdings) Limited (NYSE: WNS) is a leading Business Process Management (BPM) company. WNS combines deep industry knowledge with technology, analytics, and process expertise to co-create innovative, digitally led transformational solutions with over 400 clients across various industries. WNS delivers an entire spectrum of BPM solutions including industry-specific offerings, customer experience services, finance and accounting, human resources, procurement, and research and analytics to re-imagine the digital future of businesses. As of December 31, 2022, WNS had 57,994 professionals across 64 delivery centers worldwide including facilities in Canada, China, Costa Rica, India, the Philippines, Poland, Romania, South Africa, Spain, Sri Lanka, Turkey, the United Kingdom, and the United States. For more information, visit www.wns.com.

Safe Harbor Provision

This document includes information which may constitute forward-looking statements made pursuant to the safe harbor provisions of the Private Securities Litigation Reform Act of 1995, the accuracy of which are necessarily subject to risks, uncertainties, and assumptions as to future events. These statements include expressed or implied forward-looking statements relating to our new organizational structure and the expected resulting benefits. Factors that could cause actual results to differ materially from those expressed or implied are discussed in our most recent Form 20-F and other filings with the Securities and Exchange Commission. WNS undertakes no obligation to update or revise any forward-looking statements, whether as a result of new information, future events, or otherwise.

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