Wavestone is proud to once again be included in the 2023 Global Outsourcing 100® list of the world’s best outsourcing service providers and advisors, compiled by the International Association of Outsourcing Professionals® (IAOP®).

The 2023 Global Outsourcing 100 (GO100) recognizes the world’s best in the outsourcing arena, and is an essential reference for companies seeking new and expanded relationships with the best providers in the industry. The list is based on applications received, and consists of global companies providing the full spectrum of outsourcing services – from IT and business process outsourcing to capital asset management and logistics.

The judging processes comprises a rigorous scoring methodology and independent review by an IAOP® panel of customer members. All panelists have extensive experience selecting outsourcing providers and advisors for their organizations. Four performance areas were considered and judged in 2023:


Customer References demonstrated through value created for the company’s top customers

Awards and Certifications demonstrated through value created by industry recognition and relevant professional certifications

Programs for Innovation demonstrated through specific programs and their outcomes that produced new forms of value for customers

Corporate Social Responsibility (CSR) demonstrated through programs and outcomes addressing community, labor, human rights, operating practices, environmental impacts, consumer issues, and organizational governance

Wavestone’s inclusion on the prestigious list demonstrates its outsourcing advisory practice’s successful and innovative solutions provided to clients around the world. Its provision of extensive hands-on experience fosters trust critical to client relationships, fostering the desire and confidence to act.

IAOP® CEO Debi Hamill said, “In a year where service providers and advisors navigated new challenges and disruption, the 2023 Global Outsourcing 100® demonstrated they could and did rise to the occasion. We are especially proud of these organizations that strived to excel, innovate and pave the way in unprecedented times.”

Contact a Wavestone expert for bespoke, end-to-end sourcing services tailored to your business needs.



Our team is a blend of high-quality talent from all levels who can tackle your most complex issues with a fresh approach. With a globally connected network of 4,000 employees, Wavestone is designed to help you get results. All our consultants thrive on complex challenges, enjoy blazing new trails, and are committed to your organization’s success.

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