What challenges did EY face before AI implementation?

Modernize finance operations and reduce manual workload while scaling agentic AI capabilities beyond pilots across a large workforce.

Source

MicrosoftProductionEvidence: Medium50/100

EY scales Copilot and agentic AI across finance operations, using Copilot Studio and Azure AI Document Intelligence

Use case typeEmployee productivityUpdated May 21, 2026

EY (Ernst & Young) used its own organization as Client Zero to validate ways of working with Microsoft technologies. It deployed Microsoft Copilot to employees, scaled Copilot across the enterprise, modernized finance operations with Microsoft Power Platform, integrated intelligent agents via Copilot Studio, built a multi-agent framework with Microsoft Azure AI Foundry and Microsoft Fabric for Assurance workflows, and applied Azure AI Document Intelligence on its Global Tax Platform to extract data from documents.

Organization: EY
Industry: Professional Services
Location: United Kingdom
Published: May 2026

Reported outcomes

Productivity boost: +15%

Productivity & throughput

Lead times: +95%Operational costs: More than 37% lowerManual workload from document extraction: Up to 90% lower

Catalog median for productivity & throughput deployments: +40% across 100 reported metrics. Compare benchmarks →

Why do we believe this?Outcome claims, sources, and evidence checks

Normalized claim

Productivity boost: 15% increase

Microsoft SourceMay 21, 2026Press releaseExplicit claimMedium evidence strength

recording a 15% boost in productivity

Normalized claim

Lead times: 95% increase

Microsoft SourceMay 21, 2026Press releaseExplicit claimMedium evidence strength

95% faster lead times

Normalized claim

Operational costs: 37% decrease

Microsoft SourceMay 21, 2026Press releaseExplicit claimMedium evidence strength

more than 37% reduction in operational costs

Normalized claim

Manual workload from document extraction: 90% decrease

Microsoft SourceMay 21, 2026Press releaseExplicit claimMedium evidence strength

reduced manual workload by up to 90%

Why do we believe this deployment?Customer identity, provider attribution, maturity, and source checks

Customer: EY
Provider: Microsoft
Maturity: Production
Linked source: Microsoft Source

It deployed Microsoft Copilot to employees, scaled Copilot across the enterprise, modernized finance operations with Microsoft Power Platform, integrated intelligent agents via Copilot Studio, built a multi-agent framework with Microsoft Azure AI Foundry and Microsoft Fabric for Assurance workflows, and applied Azure AI Document Intelligence on its Global Tax Platform to extract data from documents

Customer identity supportedSource describes one deploymentMaturity supported

Primary read

Use case focus

Showing 3 of 4

1Employee productivity
2Workflow automation
3Document processing automation

EY used itself as Client Zero to validate ways of working with Microsoft technologies.
It deployed Microsoft Copilot to employees and scaled it across more than 400,000 people.
EY modernized finance operations with Microsoft Power Platform, integrated intelligent agents through Copilot Studio, created a multi-agent framework integrated with Microsoft Azure AI Foundry and Microsoft Fabric for Assurance workflows, and applied Azure AI Document Intelligence on its Global Tax Platform to automatically extract data from documents.

Technologies

Microsoft Copilot Copilot Studio Microsoft Power Platform Microsoft Azure AI Foundry Microsoft Fabric Microsoft Azure AI Document Intelligence

EY reported a 15% productivity boost for 150,000 Copilot users, 95% faster lead times and more than 37% reduction in operational costs for finance operations, up to 90% less manual workload from document extraction, and multi-agent workflows spanning 130,000 Assurance professionals across 160,000 audit engagements.

Architecture

EY used a Client Zero approach to validate Microsoft technologies internally. The implementation combined Microsoft Copilot at enterprise scale, Copilot Studio for intelligent agents, Microsoft Power Platform for finance operations, a multi-agent framework integrated with Microsoft Azure AI Foundry and Microsoft Fabric for Assurance workflows, and Azure AI Document Intelligence for document data extraction on the Global Tax Platform.

Sources & evidence1

Evidence: Medium50/100Evidence strength