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

−95%

lead timesTime & speed

+15%productivity boost−37%operational costs−90%manual workload from document extraction

Strategic outcomes

Scale & capacityScaled Copilot to the enterprise workforceInnovation & cultureValidated new ways of working as Client ZeroRisk & complianceEmbedded agentic AI across assurance workflows

Catalog median for time & speed deployments: −60% across 727 reported metrics. Compare benchmarks →

Primary read

Use case focus

Showing 3 of 4

1Employee productivity
2Workflow automation
3Document processing automation

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

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

Groundedness: 5/5Type: Press ReleasePublished: May 21, 2026Publisher: MicrosoftEvidence: VendorConfidence: High

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Customer evidence