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.

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

Our EY-Parthenon Strategy team


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.

EY-Parthenon forbes welt beratung

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.

The EY-Parthenon team

Reframing the future of an iconic skiwear brand

EY-Parthenon helped BOGNER refinance, reshape and return to profitability.

Our latest thinking

Why migration infrastructure could be the next competitive advantage

Discover how demographics, geopolitics, climate and tech make migration a strategic talent engine and learn the keys to success.

Top 10 geopolitical developments in 2026

Geopolitical volatility and uncertainty will persist in 2026. There are three geostrategic actions to build resilience and set strategy. Learn more.

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.

Rivada is reimagining wireless internet as a commodity

By leveraging AI and automation, patient diagnostics have picked up pace in a health care testing company. Learn more in this case study.

Geostrategic Analysis: June 2025 edition

Read the June 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.

Liz Fealy + 2

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 GenAI will impact the labor market

Learn about the expected impact of GenAI on the labor market by exploring our four key findings regarding GenAI use.

Catalyze economic growth through capital investment in GenAI

Boost to global GDP growth from increased investment in GenAI R&D, infrastructure, software creation and company adoption will be significant. Learn more.

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.