EY-Parthenon works with CEOs and business leaders to shape high-impact M&A strategy and corporate finance decisions. We help organizations evaluate growth opportunities, optimize portfolios, and execute deals with confidence—from strategic diligence and valuation through integration or separation.
Our senior advisors bring investor-grade insight, deep industry experience, and disciplined execution across every stage of the deal lifecycle. Backed by EY’s global network, we help leaders accelerate transformation and deliver measurable value.
Our Solutions
Reimagine your strategy and realize your transformation plans. Select a topic to see more.
M&A Advisory Services
Learn how EY-Parthenon M&A Advisory Services teams can help enable strategic growth through integrated M&As, joint ventures and alliances.
Due Diligence Services
Discover financial, tax, commercial, HR, AI, operational, IT, sustainability and cyber due diligence to uncover value, manage risk and make smart decisions.
M&A Integration Consulting
EY-Parthenon M&A Integration Consulting teams can help you integrate assets while preserving value, accelerating synergy realization and minimizing risk.
Transaction Tax, Law and Workforce Advisory Services
Our transaction tax, law and workforce team can help you transform your business and maximize the value of your transactions. Find out more.
Special Purpose Acquisition Companies (SPACs)
Our SPAC services provide independent capital markets perspectives to boards and management on all elements of deal preparation and execution. Learn more.
Supply Chain in M&A Integration and Divestments
Whether it’s an M&A integration or a divestment and separation, a transaction provides a unique opportunity to transform your supply chain. Learn more.
Divestment Strategy Consulting
Our divestiture services can help you with portfolio management to improve value from carve-out, spin-off or joint venture. Get in touch today.
Due Diligence Services
Discover financial, tax, commercial, HR, AI, operational, IT, sustainability and cyber due diligence to uncover value, manage risk and make smart decisions.
Transaction Tax, Law and Workforce Advisory Services
Our transaction tax, law and workforce team can help you transform your business and maximize the value of your transactions. Find out more.
Cybersecurity Due Diligence in M&A and Divestitures
Discover how our EY-Parthenon M&A cybersecurity teams can help identify vulnerabilities, quantify cyber risks, and manage cybersecurity throughout M&A.
Corporate Finance Consulting
Our Corporate Finance consultants leverage deep financial and capital markets experience to help CFOs drive sustainable value. Learn more.
Capital Allocation Services
Our capital allocation services team can help you objectively assess the alignment of your business strategy to your asset portfolio. Find out how.
Forecasting and Scenario Planning
Strategic Forecasting and Scenario Planning teams can help optimize your business to rapidly make strategic, operational and portfolio decisions.
Valuation, Modeling & Economics Services
Our Valuation, Modeling and Economics services guide you through valuation and business modeling implications to better understand the impact. Learn more.
Fairness Opinion Services
Learn how we can provide an independent fairness opinion to boards and shareholders for buy-side M&A, sell-side divestitures and related-party transactions.
Strategic Case Studies
Our latest thinking
Geostrategic Analysis: December 2025 edition
Read the December 2025 Geostrategic Analysis for our take on geopolitical developments and the impact of these political risks on international business.
Does today’s disruption provide the blueprint for tomorrow’s growth?
EY-Parthenon CEO Survey September 2025 reveals how leaders build confidence, resilience, and growth strategies amid disruption and transformation.
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 artificial intelligence can unlock a new future for infrastructure
To unlock the value of AI and truly transform the infrastructure sector, it must adopt a new mindset, skillset, toolset. Find out how in EY’s new report.