Strategy Consulting by EY-Parthenon

EY-Parthenon is a global strategy consulting firm that works with CEOs, boards, private equity investors and governments to help drive organic and inorganic growth, strategic transformation and value creation. 

Strategy Consulting Solutions

We tailor every engagement to our clients’ unique situation and bring extensive outside-in business and sector experience supported by leading AI-powered technologies to give you the confidence that any strategy we recommend will work in the real world. Our strategy consulting solutions, span the full enterprise and investment lifecycle. Click on a solution to learn more.

AI Strategy Consulting and M&A

AI strategy consulting teams can enable better and faster ROI for new products and services and help accelerate M&A. Find out more.

Corporate and Growth Strategy

EY-Parthenon professionals can help your business design and provide transformative strategies for sustainable growth. Learn more.

Commercial Strategy Consulting

Our Commercial Consulting Services teams help you realize enterprise growth, improve profitability, and extend customer and shareholder value. Learn more.

Disruptive Strategy Consulting

The EY-Parthenon Disruptive Strategy team can help your business drive innovation and reimagine business models for future readiness. Find out how.

EY-Parthenon Geostrategic Business Group

Our Geostrategic Business Group (GBG) can help your business translate geopolitical insights into business strategy to manage political risk. Find out how.

Neurosymbolic AI Services to Drive Growth

Discover how EY-Parthenon teams use neurosymbolic AI to convert complex, distributed data into high-value AI products that fuel revenue and profit growth. Learn more.

Software Strategy Consulting Services 

Learn more about how EY-Parthenon Software Strategy Consulting teams apply real-world software CTO and CPO expertise to drive value.

Sustainability and ESG Strategy Consulting

Our Sustainability and ESG Strategy Consulting teams can help you with strategy, M&A, capital allocation, ESG due diligence and portfolio optimization.

Restructuring and Turnaround Strategy

EY-Parthenon Restructuring and Turnaround Consulting professionals can help your business transform, create, preserve and recover value. Find out how.


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Learn how EY-Parthenon drives transformation and delivers business impact.

EY-Parthenon recognized by Forbes as one of the World’s Best Management Consulting Firms 2025

The prestigious ranking of best consultancies worldwide is based on peer and client surveys across 13 industries and 15 functional areas.

2025 World’s Best Management Consulting Firms, powered by Statista

Why EY-Parthenon for Strategy Consulting

EY-Parthenon teams bring a distinctive approach to strategy consulting that combines rigorous strategic thinking with the discipline of an investor and the ability to execute at scale. We operate at the intersection of strategy, M&A, capital allocation and transformation, helping leadership teams make bold choices, reallocate resources with confidence and translate strategy into action.

What differentiates our Strategy Consulting approach:

Our combination of strategy and execution helps enable us to provide real-world value to our clients. Benefiting from EY broad spectrum of services, we’ve reimagined strategic consulting to work in a world of increasing complexity.

Our latest thinking

How can reimagining risk prepare you for an unpredictable world?

The 2025 EY Global Risk Transformation Study explores how Risk Strategists see disruption earlier, adapt faster and respond with more precision.

Sustainable Aviation Fuels: Paving the way for greener skies

Discover how sustainable aviation fuel (SAF) is revolutionizing air travel and reducing carbon emissions. Learn more about the future of green aviation.

Geostrategic Analysis: July 2025 edition

Read the July 2025 Geostrategic Analysis for our take on geopolitical developments and the impact of these political risks on international business.

Transact to transform: How a human focus can unlock deal value

Transactions which have a bold vision, prioritize the workforce and set conditions to navigate hurdles are more likely to transform a business. Learn more.

How a top-down holistic strategy can maximize GenAI ROI

Explore how companies that put strategy first by applying a holistic Generative AI maturity model for AI adoption will be positioned to unlock greater ROI.

How the drivers of private equity value creation are changing

Discover the five key drivers in private equity value creation in uncertain markets.

How a cosmetics giant’s transformation strategy is unlocking value

Shiseido, the largest Japanese beauty company, is reimagining its functions, processes and systems to create a global operating model. Learn more.