EY-Parthenon
EY-Parthenon is the dedicated strategy consulting practice within Ernst & Young (EY), one of the world's largest professional services firms. As a specialized strategy arm, EY-Parthenon combines deep industry expertise with EY's global network to deliver comprehensive strategic advisory services.
Core Service Areas
Strategy Consulting
EY-Parthenon offers a wide range of strategic consulting services designed to help organizations navigate complex business challenges and identify growth opportunities:
- Corporate & Growth Strategy - Developing long-term strategic plans for sustainable business growth
- Geopolitical Strategy - Advising on how global political dynamics impact business operations
- Commercial Strategy - Optimizing go-to-market approaches and revenue models
- Disruptive Strategy - Helping organizations respond to and capitalize on market disruption
- Turnaround & Restructuring - Guiding companies through financial and operational transformation
- Private Equity Value Creation - Supporting PE firms in maximizing portfolio company value
Transactions and Corporate Finance
The practice also provides comprehensive transaction advisory services:
- M&A Advisory - End-to-end support for mergers and acquisitions
- M&A Integration - Post-merger integration planning and execution
- Divestment Strategy - Strategic guidance for asset sales and separations
- Corporate Finance - Capital structure optimization and financing solutions
- Valuation, Modeling & Economics - Financial analysis and economic forecasting
- Due Diligence - Comprehensive assessment for investment decisions
- Investment Banking - Capital markets and financing advisory
Differentiators
EY-Parthenon leverages EY's extensive global infrastructure, combining the agility of a boutique strategy firm with the resources and cross-functional capabilities of a Big Four professional services organization. This unique positioning allows them to deliver strategy through to execution, supported by deep sector knowledge and proprietary analytical tools.
Target Audience
Large enterprises, Fortune 500 companies, private equity firms, and organizations undergoing strategic transformation or major transactions
Key Features
- Corporate & Growth Strategy consulting
- M&A Advisory and Integration services
- Geopolitical and Commercial Strategy
- Private Equity Value Creation
- Turnaround & Restructuring consulting
- Valuation, Modeling & Economics
- Due Diligence services
- Investment Banking advisory
- Enterprise Reimagined™ transformation framework
- M&A AI-powered Technology solutions
Use Cases
- Developing corporate growth strategies for large enterprises
- Advising on mergers, acquisitions, and divestitures
- Supporting private equity firms in portfolio value creation
- Guiding companies through financial restructuring
- Providing geopolitical risk assessment for global businesses
- Conducting financial due diligence for investment decisions
- Optimizing commercial strategies and revenue models
- Forecasting and scenario planning for strategic decision-making
Pros
- Part of EY's global network with extensive industry resources
- Combines boutique strategy expertise with Big Four capabilities
- End-to-end service from strategy development to execution
- Access to proprietary analytical tools and methodologies
- Strong track record with Fortune 500 and private equity clients
- Integrated approach across strategy, transactions, and consulting
Cons
- Premium pricing typical of Big Four consulting services
- May be less agile than smaller boutique strategy firms
- Complex organizational structure may impact project continuity
- Services primarily targeted at large enterprises
Pricing
Custom pricing based on engagement scope; typically premium rates aligned with Big Four consulting standards


