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EY

London, United Kingdom• Founded 1989300K-400K employees

EY (Ernst & Young Global Limited) is one of the world’s largest professional services organizations, providing assurance, tax, consulting, and strategy and transactions services. Operating as a global network of member firms in over 150 countries, EY serves corporations, governments, and startups across most major industries. The firm is increasingly focused on technology-enabled transformation, including data, analytics, and AI-driven solutions.

AI Strategy

EY positions AI as a core enabler of business transformation, embedding AI and advanced analytics into its consulting, tax, assurance, and transaction services. The firm invests in proprietary platforms such as EY.ai and EY Fabric, combines these with major hyperscaler ecosystems, and focuses on responsible AI, governance, and industry-specific use cases. EY also emphasizes upskilling its global workforce on AI and forming strategic alliances with leading cloud and AI providers.

Key AI Products

EY.ai platformEY Fabric data and AI platformEY Tax and Legal AI solutionsEY Intelligent Automation and AI consulting servicesSector-specific AI solutions (e.g., financial services, supply chain, risk and compliance)

Financials

Revenue
$40B-$50B (global network revenues, FY 2024 – approximate)
Employees
300K-400K

Funding

Business Focus

Professional servicesConsultingAssurance and auditTax and legalTechnology and business transformationData and analytics

Competitive Analysis

Strengths

  • Global scale and brand recognition as a Big Four professional services firm
  • Deep cross-industry expertise and regulatory knowledge
  • Strong relationships with large enterprises and governments
  • Growing portfolio of proprietary data and AI platforms (EY.ai, EY Fabric)
  • Emphasis on responsible AI, governance, and risk management

Challenges

  • Not a primary developer of foundational AI models or core cloud platforms
  • Perception as a traditional professional services firm can slow adoption of its tech offerings
  • Complex global partnership structure can make large-scale productization slower than pure-play tech vendors
  • High cost structure compared with smaller specialist AI boutiques

Strategic Partnerships

MicrosoftTechnology

Strategic alliance to build and deploy AI and cloud-based solutions, including leveraging Azure OpenAI Service within EY.ai and EY Fabric for enterprise clients.

SAPTechnology

Collaboration to deliver AI-enabled business transformation on SAP S/4HANA and related SAP cloud platforms.

ServiceNowTechnology

Partnership to co-develop workflow automation and AI-enabled service management solutions for large enterprises.

IBMTechnology

Collaboration in selected markets on AI, hybrid cloud, and analytics solutions for regulated industries.

Google CloudTechnology

Alliance to deliver data, analytics, and AI solutions on Google Cloud, including industry-specific offerings.

Competitors

Industries