# EY

- Status: Unclaimed: compiled by Nowen from public sources, not reviewed by the company
- Industry: Professional Services
- Delivery model: services
- Website: https://ey.com
- AI agent profile: https://nowen.ai/agents/ey-com
- Front door on Boon: https://boon.ai/agents/ey-com (Apply to EY's partner program through Boon)
- Updated: 2026-10-15
- Directory: one of 210 AI agents in Professional Services (https://nowen.ai/industry/professional-services)
- Read by AI assistants from: OpenAI, Anthropic, Perplexity, Amazon

> EY is a global professional services firm offering audit, consulting, strategy, tax, and advisory services across industries.

EY is a global professional services firm providing assurance, consult­ing, strategy, tax, and transaction advisory services across industries. The firm helps clients solve complex business challenges through services including audit, strategy and transformation (via EY‑Parthenon), sustainability, technology, AI, cybersecurity, and workforce transformation.

**Mission:** Shape the future with confidence.

## Products & Services

### [Strategy by EY-Parthenon](https://www.ey.com/en_us/services/strategy)
*Service*
Drive strategic growth and resilience for businesses globally.
Strategy by EY-Parthenon blends EY-Parthenon strategy capabilities with EY's global resources to help clients with corporate growth, geopolitical strategy, commercial strategy, working capital advisory, and turnaround planning.

- **Corporate growth strategy** — Craft Custom Growth Plans
- **Enterprise reimagined** — Enable Sustainable Growth
- **Commercial strategy** — Optimize Revenue Growth
- **Turnaround and restructuring** — Revive Distressed Businesses
- **Geopolitical strategy** — Assess Global Risks
- **Working capital advisory** — Enhance Cash Flow Management

### [Transactions and Corporate Finance by EY-Parthenon](https://www.ey.com/en_us/services/strategy-transactions)
*Service*
Comprehensive advisory services for successful transactions and corporate finance management.
Integrated transactions and corporate finance services including M&A advisory, M&A integration, AI-enabled technology, divestment strategy, corporate finance, valuation modeling, and due diligence.

- **M&A advisory** — Guide M&A Processes
- **Due diligence services** — Conduct Thorough Reviews
- **M&A integration** — Ensure Successful Integration
- **AI-powered technology** — Leverage AI Insights
- **Divestment strategy** — Optimize Asset Sales
- **Valuation, modeling & economics** — Accurate Financial Assessments
- **Forecasting and scenario planning** — Anticipate Market Changes
- **Advanced analytics** — Unlock Data Potential

### [M&A Advisory and Integration](https://www.ey.com/en_us/services/strategy-transactions)
*Service*
Navigate M&A processes effectively with expert advisory and integration services.
Comprehensive M&A advisory services supporting deal origination, evaluation, post-merger integration, and strategic decision-making throughout the M&A lifecycle.

- **Buy-side advisory** — Facilitates Successful Acquisitions
- **Due diligence services** — Minimizes Acquisition Risks
- **Synergy realization** — Capture Significant Synergies
- **Deal evaluation** — Enhances Decision-Making
- **Integration planning** — Develop A Comprehensive Plan
- **Cultural alignment** — Promote Cultural Integration
- **Integration support** — Enhance Integration Efficiency
- **Change management** — Facilitate Change Management
- **Performance tracking** — Establish Key Performance Indicators

### [Due Diligence Services](https://www.ey.com/en_gl/services/strategy-transactions/mergers-acquisitions-due-diligence)
*Service*
Gain critical insights for informed decision-making in transactions.
Due diligence services providing financial, commercial, and operational insights for transactions.

- **Financial due diligence** — Conduct Financial Analysis
- **Commercial due diligence** — Evaluate Market Viability
- **Operational due diligence** — Analyze Operational Efficiency
- **Regulatory compliance assessment** — Ensure Compliance
- **Integration planning support** — Facilitate Integration

### [EY wavespace](https://www.ey.com/en_us/wavespace)
*Platform*
Facilitates immersive collaboration for innovation and strategy development.
EY wavespace is a global collaboration platform enabling immersive strategy and innovation workshops. It provides a unique space and structured methodology for organizations to accelerate their innovation processes and tackle complex challenges effectively.

- **Global network** — Access Global Locations
- **Immersive collaboration** — Engage in Experiential Workshops
- **Innovation methodologies** — Streamline Innovation Processes
- **Technology integration** — Leverage Cutting-Edge Technology

### [EY ai – a Unifying Platform](https://www.ey.com/en_gl/services/ai/platform)
*Platform*
Accelerate AI adoption and insights across services with a unified platform.
EY ai platform unifies EY's AI capabilities across services to accelerate insights and automation. It provides a cohesive framework that integrates various AI tools and technologies to enhance decision-making and operational efficiency across client engagements.

- **Unified AI platform** — Integrate AI Across Services
- **Cross-service AI acceleration** — Accelerate AI Implementation
- **Custom AI solutions** — Deliver Personalized Insights
- **Data-driven intelligence** — Enhance Decision-Making
- **Collaborative development** — Foster Innovative Solutions

### [EY Managed Services](https://www.ey.com/en_us/services/managed-services)
*Service*
Streamline your operations with integrated managed services across various domains.
Managed services offering across cybersecurity, financial accounting, legal, risk, tax, and technology.

- **Technology managed services** — Optimize Technology Use
- **Cybersecurity managed services** — Enhance Security Posture
- **Risk management services** — Strengthen Risk Management
- **Financial accounting and expanded corporate reporting** — Improve Financial Transparency
- **Tax managed services** — Facilitate Tax Compliance
- **Legal managed services** — Achieve Legal Efficiency

### [EY Sustainability](https://www.ey.com/en_us/services/sustainability/services)
*Service*
Comprehensive sustainable services supporting climate resilience and ESG commitments.
Sustainability services including climate change, sustainable finance, ESG strategy, and supply chain transformation.

- **Climate Change & Sustainability** — Enhance Environmental Resilience
- **Sustainability Strategy** — Develop Comprehensive ESG Strategies
- **Supply Chain Transformation** — Optimize Supply Chain Efficiency
- **Sustainable Finance** — Facilitate Sustainable Investments
- **Renewable Energy Transition** — Accelerate Renewable Energy Adoption
- **Environmental, Health & Safety Services** — Ensure Compliance & Safety

### [Assurance Services](https://www.ey.com/en_us/services/assurance)
*Service*
Provide comprehensive audit and assurance services tailored to client needs.
Audit and assurance services including climate change, financial accounting advisory, forensic & integrity services, and technology risk.

- **Audit** — Ensure Accuracy In Reporting
- **Climate Change & Sustainability** — Support Sustainable Practices
- **Financial Accounting Advisory** — Optimize Financial Processes
- **Forensic & Integrity Services** — Mitigate Fraud Risks
- **Technology Risk** — Secure IT Business Operations
- **Private Client Audit** — Ensure Confidentiality And Accuracy

### [Tax](https://www.ey.com/en_us/services/tax)
*Service*
Comprehensive Tax Solutions Ensuring Compliance and Optimization.
Tax services including planning, function operations, policy and controversy, global trade, and compliance.

- **Tax Compliance** — Ensure Regulatory Adherence
- **Tax Function Operations** — Streamline Internal Operations
- **Tax Planning** — Optimize Tax Strategy
- **Global Trade** — Enhance Trade Efficiency
- **Transaction Tax** — Evaluate Transaction Impact
- **Tax Policy & Controversy** — Navigate Tax Issues
- **Taxes in Sustainability** — Incorporate Sustainable Practices

### [Law](https://www.ey.com/en_gl/services/law)
*Service*
Comprehensive legal support for corporate operations and compliance.
Legal services including corporate and commercial law, digital law, labor and employment law, legal operations, and transaction law.

- **Corporate and commercial law** — Provides Legal Expertise For Business
- **Transaction law** — Facilitates Smooth Transactions
- **Digital law** — Ensures Compliance In Digital Ventures
- **Labor and employment law** — Guides Employers On Labor Laws
- **Legal operations** — Streamlines Legal Processes

### [Technology Transformation](https://www.ey.com/en_us/services/consulting/technology-transformation)
*Service*
Enhance your business through comprehensive technological advancements and modern solutions.
Technology transformation services to modernize IT, data, analytics, and digital capabilities.

- **Data & Decision Intelligence** — Enhance Decision Making
- **M&A AI-Powered Technology** — Optimize M&A Processes
- **Transformation Platform** — Unify Transformation Efforts
- **Audit Technology** — Streamline Audits
- **Tax Technology** — Simplify Tax Management

## Market Segments

- **Audit and assurance** (market size $230.0B, CAGR 4.2%): Independent financial and non‑financial assurance services including statutory audits, sustainability assurance, financial reporting advisory and IT controls assurance.
  - Products: Assurance Services, Technology Transformation
- **Sustainability and ESG advisory** (market size $15.0B, CAGR 25%): Advisory on ESG strategy, sustainability reporting, climate risk, sustainable finance and related assurance to meet regulatory and investor expectations.
  - Products: EY Sustainability, Assurance Services, Tax
- **M&A advisory and integration** (market size $34.5B, CAGR 3.1%): End‑to‑end M&A services including deal strategy, buy‑ and sell‑side advisory, commercial and financial due diligence, integration planning and synergy realization.
  - Products: M&A Advisory and Integration, Due Diligence Services, Transactions and Corporate Finance by EY-Parthenon
- **Tax advisory and compliance** (market size $45.2B, CAGR 6%): Tax planning, compliance, transfer pricing, tax function operations and controversy support across jurisdictions, including tax considerations for transactions and sustainability.
  - Products: Tax, EY Managed Services, Technology Transformation
- **Risk, compliance and forensic services** (market size $18.9B, CAGR 6.5%): Forensic investigations, anti‑fraud, regulatory compliance assessments, internal controls, technology risk and enterprise risk management.
  - Products: Assurance Services, EY Managed Services, Law, Technology Transformation
- **Managed finance, tax and legal operations** (market size $40.0B, CAGR 8.5%): Outsourced and managed operations for accounting, tax, legal and technology functions to improve efficiency, compliance and scalability.
  - Products: EY Managed Services, Law, Tax
- **Data, analytics and decision intelligence** (market size $15.5B, CAGR 20%): Data, analytics, forecasting and AI‑enabled decision intelligence to support strategic planning, transactions and operational improvements.
  - Products: Technology Transformation, EY ai – a Unifying Platform, Transactions and Corporate Finance by EY-Parthenon
- **Innovation and immersive collaboration** (market size $1.2B, CAGR 17.8%): Facilitated innovation workshops, design sprints and immersive collaboration environments to accelerate strategy, product and operating model innovation.
  - Products: EY wavespace, EY ai – a Unifying Platform, Strategy by EY-Parthenon
- **Corporate strategy and growth advisory** (market size $14.1B, CAGR 8.5%): Corporate growth, commercial and geopolitical strategy, turnaround and working capital advisory to drive long‑term value creation.
  - Products: Strategy by EY-Parthenon, Transactions and Corporate Finance by EY-Parthenon, EY wavespace

## Sources

- [EY](https://ey.com)
- [Strategy by EY-Parthenon](https://www.ey.com/en_us/services/strategy)
- [Transactions and Corporate Finance by EY-Parthenon](https://www.ey.com/en_us/services/strategy-transactions)
- [Due Diligence Services](https://www.ey.com/en_gl/services/strategy-transactions/mergers-acquisitions-due-diligence)
- [EY wavespace](https://www.ey.com/en_us/wavespace)
- [EY ai – a Unifying Platform](https://www.ey.com/en_gl/services/ai/platform)
- [EY Managed Services](https://www.ey.com/en_us/services/managed-services)
- [EY Sustainability](https://www.ey.com/en_us/services/sustainability/services)
- [Assurance Services](https://www.ey.com/en_us/services/assurance)
- [Tax](https://www.ey.com/en_us/services/tax)
- [Law](https://www.ey.com/en_gl/services/law)
- [Technology Transformation](https://www.ey.com/en_us/services/consulting/technology-transformation)
- [The global auditing services market size was valued at USD 233.95 billion in 2025](https://www.fortunebusinessinsights.com/auditing-services-market-114507)
- [the global Auditing Services Market size was valued at USD 243.45 Billion in 2023](https://www.zionmarketresearch.com/report/auditing-services-market)
- [the Audit and Assurance Services Market was estimated at 160.0 USD Billion in 2024](https://www.marketresearchfuture.com/reports/audit-and-assurance-services-market-65923)
- [the global audit and assurance services market was valued at USD 70.3 billion in 2024](https://datahorizzonresearch.com/audit-and-assurance-services-market-47727)
- [The global ESG advisory market ... worth $14,200.5 million in 2023; projected to reach $59,587.9 million by 2030; CAGR of 25.0% (2024–2030).](https://www.marketsandmarkets.com/Market-Reports/esg-advisory-market-130676561.html)
- [The global ESG advisory market size was valued at USD 14.89 billion in 2024, growing at a CAGR of 24.80% from 2025–2034.](https://www.polarismarketresearch.com/industry-analysis/esg-advisory-market)
- [Market Size 2024 USD 17,034 Million; Sustainability Consulting And ESG Advisory Services Market, CAGR 26.88%.](https://www.credenceresearch.com/report/sustainability-consulting-and-esg-advisory-services-market)
- [Global sustainability consulting market set to expand from $12.37 billion in 2024 to nearly $30 billion in 2030, with a CAGR of approximately 16%.](https://www.verdantix.com/client-portal/blog/market-size-and-forecast-data-reveal-a-growing-sustainability-consulting-market)
- [The ESG and sustainability advisory market crossed a valuation of USD 43.2 billion in 2025; CAGR (2026–2036) 6.4%.](https://www.factmr.com/report/esg-and-sustainability-advisory-market)
- [The Mergers And Acquisitions Advisory Market globally is expected to be valued at USD 29.29 Billion in 2026.](https://www.businessresearchinsights.com/market-reports/mergers-and-acquisitions-advisory-market-110354)
- [Market Size (2024): 5.2 billion USD · Forecast (2033): 8.9 billion USD · CAGR: 6.3%](https://www.linkedin.com/pulse/post-merger-acquisition-integration-consulting-market-fmvqf)
- [2024 Market Size $ 42.51 Billion; CAGR 6.36%](https://www.marketresearchfuture.com/reports/tax-advisory-services-market-24697)
- [Market size estimated at USD 46434.26 million in 2026; projected growth CAGR 5.7%](https://www.globalmarketstatistics.com/market-reports/tax-consultancy-service-market-13960)
- [Cross-Border Tax Service Market Size was valued at 6.57 USD Billion in 2024; CAGR 5.6%](https://www.wiseguyreports.com/reports/cross-border-tax-service-market)
- [Forensic Accounting Services Market Size 2024 USD 16523 million; CAGR 6.5%.](https://www.credenceresearch.com/report/forensic-accounting-services-market)
- [global forensic accounting services market size was worth around USD 18.85 Billion in 2024; CAGR 6.89%.](https://www.zionmarketresearch.com/report/forensic-accounting-services-market)
- [2024 Market Size $ 8.5 Billion; CAGR 3.94% (2025-2035).](https://www.marketresearchfuture.com/reports/forensic-accounting-services-market-66810)
- [Market Size 2024 7.18 (USD Billion); projected CAGR 5.1% (2026-2035).](https://www.wiseguyreports.com/reports/forensic-and-investigation-service-market)
- [The global forensic accounting market size was valued at USD 7.71 billion in 2025; CAGR (2025–2034) 7.02%.](https://www.fortunebusinessinsights.com/forensic-accounting-market-114438)
- [The global tax management market is set for substantial growth, with estimates showing an increase from USD 24.52 billion in 2025 to USD 33.21 billion by 2030, at a CAGR of 6.3%.](https://www.marketsandmarkets.com/Market-Reports/tax-management-market-230446693.html)
- [The Legal Managed Services Market was valued at USD 15.18 Billion in 2025 and is projected to grow, with a CAGR of 8.7% (2026–2035).](https://www.wiseguyreports.com/reports/legal-managed-services-market)
- [The Legal Operations Software Market Size was estimated at USD 19.68 Billion in 2025 and is projected to grow at a CAGR of 14.78% (2025–2035).](https://www.marketresearchfuture.com/reports/legal-operations-software-market-28307)
- [In my experience, the Tax Managed Services market is approaching $1B - and more importantly, it’s accelerating.](https://kpmg.com/kpmg-us/content/dam/kpmg/pdf/2026/strategically-scale-tax-operations-managed-services.pdf)
- [The global decision intelligence market size was valued at USD 16.79 billion in 2024.](https://www.fortunebusinessinsights.com/decision-intelligence-market-108592)
- [Market size estimated at USD 13.3 billion in 2024; projected to reach USD 50.1 billion by 2030 (CAGR 24.7%).](https://www.marketsandmarkets.com/Market-Reports/decision-intelligence-market-11498239.html)
- [Decision intelligence market size is USD 16.34 billion in 2025; CAGR 15.36% (2026–2035).](https://www.precedenceresearch.com/decision-intelligence-market)
- [Market size expected to grow by USD 49,839.6 million from 2026–2030, expanding at a CAGR of 29.8%.](https://www.technavio.com/report/decision-intelligence-market-industry-analysis)
- [The global Visual Collaboration Platform Market is estimated to be valued at USD 1.17 Billion in 2026.](https://www.businessresearchinsights.com/market-reports/visual-collaboration-platform-market-108239)
- [2024 Market Size $8.96 Billion; CAGR (2025 - 2035) 21.52%.](https://www.marketresearchfuture.com/reports/immersive-technology-in-enterprise-market-12148)
- [The global immersive technologies market size was valued at USD 38.14 billion in 2025 and is projected to grow at a CAGR of 16.8% (2026-2033).](https://www.datamintelligence.com/research-report/immersive-technologies-market)
- [The global corporate strategy market size is anticipated to be worth USD 14.13 Billion in 2026 and is expected to reach USD 29.44 Billion by 2035 at a CAGR of 8.5%.](https://www.businessresearchinsights.com/market-reports/corporate-strategy-market-124183)
- [Global Strategy Consulting market reached USD 45,603.0 million in 2024; projected to reach USD 71,967.2 million by 2032 at a CAGR of 5.89%.](https://www.credenceresearch.com/report/strategy-consulting-market)
- [The global strategic consulting market size was valued at USD 78.35 billion in 2025; projected to USD 125.24 billion by 2034 at a CAGR of 5.35%.](https://www.fortunebusinessinsights.com/strategic-consulting-market-109463)
- [Strategy Consulting Market estimated at USD 51.28 Billion in 2024; projected to USD 94.38 Billion by 2035 at a CAGR of 5.7%.](https://www.marketresearchfuture.com/reports/strategy-consulting-market-6980)