EY–Microsoft Alliance

EY and Microsoft solve your toughest business challenges. Together, we can take you beyond the agentic frontier into the age of agency, where AI delivers enterprise-scale impact and your people are empowered to lead, decide and create more value than ever before.

EY and Microsoft logo

Why EY and Microsoft

Human agency. Trusted intelligence. Real transformation. The challenge is no longer access to AI, it’s making impact real at enterprise scale. EY and Microsoft put this into context, turning AI into trusted, scalable business outcomes.

 

Together, we bring decades of success developing visionary cloud and AI solutions. By modernizing, transforming and agentifying, we empower human capability and build operating models that create extraordinary, lasting value.

How EY can help


As Microsoft’s Client Zero, EY is bringing organizations to the Agentic Frontier

As one of 14 founding members of the Microsoft-led Frontier Firm AI Initiative, developed in collaboration with Harvard Business School, and as Client Zero for Microsoft agentic AI solutions, EY teams moved beyond AI experimentation to create value across its global enterprise.

 

Read about our AI transformation journey and discover how you, too, can become a Frontier Firm, shaping the future with confidence.

Turn AI ambition into enterprise value

The EY-Microsoft Value Creation Initiative helps organizations move from AI ambition to measurable outcomes by combining business transformation experience with enterprise-scale technology.

Accelarated AI transformation graphic

With today’s technology, the possibilities are endless. What matters is how humans embrace them and make meaningful change for customers and employees, at a speed that is faster than before.

Awards and recognition

Celebrating the Extraordinary!

Named Microsoft's first Frontier Transformation Partner of the Year Award winner, EY and Microsoft are helping organizations become frontier.

Explore our partner ecosystem:

Our latest

How to make finance and accounting AI-ready using semantics and ontologies

Explore how AI, semantic context, and trusted data foundations reshape enterprise processes—listen now to gain practical insights for your organization.

24m 2s

How Agentic AI can transform enterprise operations through co-innovation

In this episode of the EY Microsoft Tech Directions podcast, explore how Agentic AI is transforming enterprise operations through the power of co-innovation.

31m 33s

How to maximize value with AI-assisted customer contact centers

EY professionals discuss the latest innovations in contact center technology and how they are transforming customer experiences. Learn more.

15m 23s

How the EY Partner Ecosystem helps EY Ripples scale impact

Learn how the EY Partner Ecosystem helps EY Ripples deliver its mission by scaling social impact through alliance collaboration.

How Xylem turned AI ambition into enterprise execution

Case study: Learn how Xylem built an enterprise AI platform, enabled 15,000 employees and accelerated AI adoption to drive business value at scale.

How Xoople transforms Earth data into business insights

Xoople makes incomprehensible amounts of Earth data comprehensible by leveraging multimodal AI. Learn how they’re going to market with help from EY.

How EY built an enterprise-scale agentic AI operating system

EY unified its GenAI breakthroughs into a global agentic AI platform that transforms how people work and how clients accelerate AI at scale.

How AI-led transformation helped a major brewer grow

Asahi Europe & International took a managed services approach, working with EY and Microsoft, to rewrite the rules around trade promotion optimization.

How St James’s Hospital's transformed cancer care

Learn how our client modernized its infrastructure enhancing its data management and speeding up cancer diagnostics.

How Bayer is unearthing agronomy's future with generative AI

Read this case study to learn how Bayer Crop Science is using large language models to plant the seeds of the future.

How Microsoft built a new mobility model for cross-border talent

Learn how professionals from EY and Microsoft challenged old assumptions about workforce mobility, creating a forward-thinking and data-rich platform.

How Canadian Tire leveraged the potential of customer data with AI

An iconic Canadian retailer drives personalized customer service with smarter data management and advanced analytics. Learn more in this case study.

Case study: How collaborating on tax operations powers a focus on strategy and growth

The multibillion-dollar acquisition of Scripps by Discovery enabled them to reimagine the tax function and create a more adaptive enterprise.

How a digital ledger helped one plastics company champion circularity

Building trust and transparency with customers starts with an irrefutable sustainability certificate. Learn more

Using technology to control spending risk in a fast-moving environment

EY is helping Microsoft to modernize and reinvent its compliance risk management across its global footprint. Learn more in this case study.

How the energy sector can extract value from emissions data

Fueled by human collaboration and the latest technology, we helped one company find opportunity in sustainability. Learn more in this case study.

How to improve your tax data value chain

Unlocking tax data's potential – harnessing AI and refining data management for value creation. Learn more.

How Microsoft Power Platform can help address new BEPS 2.0 requirements

In this webcast, panelists discuss the minimum taxes data and technology challenge and the role of Microsoft technologies. Learn more.

How your tools of engagement can keep up with your customers

In this webcast, presenters discuss how to create unified experiences for customers and employees. Learn more.

How tech foundations speed up M&A and create startup value

In this webcast, panelists discuss challenges during company integrations and how rapid foundation for ERP and sales models accelerate value. Learn more.

How asking the right questions will help navigate the energy transition

Hear from EY, Microsoft and industry experts about how companies are transitioning to clean energy.

The CIO Imperative: Is your technology moving fast enough to realize your ambitions?

Data centricity can be an insight engine that unlocks operational, customer and market data value, according to EY’s 2022 Tech Horizon survey. Read more

How building your tech ecosystem fuels innovation and growth opportunities

CIOs are making these considerations to create alliances with a subset of strategic suppliers.

Why EY leveraged Microsoft Cloud Skills challenge for client solutions

EY leverages Microsoft Cloud Skills Challenge to apply our market-leading technology expertise to cross-industry client solutions.


EY and Microsoft announce global initiative to help clients scale AI enterprise-wide value creation and move beyond experimentation

LONDON, 21 MAY 2026. The EY organization and Microsoft today announce a significant evolution of their Alliance, investing US$1b+ over five years and launching a new initiative to help organizations as they scale AI and deliver measurable, enterprise-wide outcomes at scale.

EY launches enterprise-scale agentic AI to redefine the audit experience for the AI era

LONDON, 7 APRIL 2026. The EY organization today announced the global roll-out of enterprise-scale agentic AI in Assurance, marking a fundamental shift toward AI-transformed audits.

EY announces move to SAP S/4HANA Cloud Private Edition on Microsoft Azure

LONDON, 5 March 2025 – The EY organization announces a strategic initiative, with SAP and Microsoft, to transition to SAP S/4HANA Cloud Private Edition on Microsoft Azure.

EY transforms global sales operation by equipping workforce with Microsoft client management tools and AI capabilities

LONDON, June 18, 2024 — The EY organization today announces a significant milestone in the launch of Microsoft Dynamics 365 Sales for EY people across the globe, paving the way for how global professional services organizations establish more unified, customer-focused sales operations.

Businesses revise climate targets as reality of long-term sustainability transformation hits

LONDON, 16 November 2023 – The EY organization today announced its participation in the Microsoft Security Copilot Partner Private Preview.

EY announces launch of artificial intelligence platform EY.ai following US$1.4b investment

LONDON, 13 SEPTEMBER 2023 – The global EY organization (EY) today announces the launch of EY.ai, a unifying platform that brings together human capabilities and artificial intelligence (AI) to help clients transform their businesses through confident and responsible adoption of AI.

Three strategies in CPG to capitalize on sustainability regulations

Social and environmental sustainability regulations are evolving rapidly. Learn how reporting obligations and costs can be a compelling business advantage.


The team