• Helps organizations improve regulatory readiness through audit-ready carbon data, automated greenhouse gas emissions calculations and scalable sustainability reporting capabilities
• Combines EY US sustainability advisory, implementation and program management capabilities with Watershed’s sustainability AI platform
• Supports organizations with scope 1, 2 and 3 GHG emissions measurement, product carbon footprinting and sustainability data management to support their decarbonization initiatives

LONDON, Oct. 12, 2026 /PRNewswire/ — The EY organization today announces an alliance between Watershed, a sustainability AI company focused on ESG measurement and reporting, and Ernst & Young LLP (EY US), to help organizations measure and report on their environmental impact with greater confidence, efficiency and transparency.

The EY-Watershed Alliance combines Watershed’s sustainability AI platform with EY US implementation, advisory and sustainability transformation capabilities to help organizations meet their regulatory requirements and their customer and investor expectations.

The data and measurement methodologies needed to measure scope 1, 2 and 3 emissions are complex and far-reaching. Through the Alliance, EY US and Watershed teams support organizations with an end-to-end sustainability process including audit-grade data collection, measurement, reporting, product carbon footprinting, planning and sustainability advisory services.

Derek Przybylo, EY-Watershed Alliance Leader, EY US, says:

“The alliance between EY US and Watershed helps organizations move from their sustainability goals to measurable action. By combining EY US sustainability advisory, implementation and program management capabilities with Watershed’s sustainability AI platform, the EY-Watershed Alliance helps clients strengthen emissions measurement, automate reporting and build scalable sustainability solutions that support their decarbonization initiatives and regulatory readiness.”

Christian Anderson, CEO at Watershed, says:

“Over the next few years, sustainability work is going to evolve. It will become more automated and action-oriented. Sustainability insights will fuel operational efficiency and resilience in addition to meeting reporting demands. Through this Alliance, the companies at the center of that shift can pair Watershed’s rigorous data foundation with EY US experience guiding organizational change.”

For more information, visit ey.com/alliances.

Notes to Editors

About EY

EY is building a better working world by creating new value for clients, people, society and the planet, while building trust in capital markets.

Enabled by data, AI and advanced technology, EY teams help clients shape the future with confidence and develop answers for the most pressing issues of today and tomorrow.

EY teams work across a full spectrum of services in assurance, consulting, tax, strategy and transactions. Fueled by sector insights, a globally connected, multidisciplinary network and diverse ecosystem partners, EY teams can provide services in more than 150 countries and territories.

All in to shape the future with confidence.

EY refers to the global organization, and may refer to one or more, of the member firms of Ernst & Young Global Limited, each of which is a separate legal entity. Ernst & Young Global Limited, a UK company limited by guarantee, does not provide services to clients. Information about how EY collects and uses personal data and a description of the rights individuals have under data protection legislation are available via ey.com/privacy. EY member firms do not practice law where prohibited by local laws. For more information about our organization, please visit ey.com.

This news release has been issued by EYGM Limited, a member of the global EY organization that also does not provide any services to clients.

About Watershed

Watershed is a sustainability AI platform that helps companies like Airbnb, Carlyle Group, FedEx, Visa, and Dr. Martens measure, report on and reduce their emissions. Watershed automates data management for climate and ESG data, produces audit-ready reports, and helps companies surface decarbonization options. Watershed AI is purpose-built for sustainability, based on a database of more than 3.2 million emissions factors and the experience of a team of in-house climate scientists and policy experts. The company’s advisors and investors include Christiana Figueres, Al Gore, Sequoia, and Kleiner Perkins. Watershed is dual-headquartered in London, U.K., and San Francisco, CA, with offices in Berlin, Denver, Mexico City, New York, Paris, and Sydney.

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SOURCE EYGS LLP