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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.
M&A Due Diligence Consulting
Learn how EY-Parthenon M&A Due Diligence Consulting teams can help your business identify value drivers, improve deal structures and mitigate risks.
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.
Joint Ventures and Alliances
Discover how EY-Parthenon teams can bring a lifecycle approach to joint ventures and alliances. Contact our team to help your business adapt to change.
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.
M&A Due Diligence Consulting
Learn how EY-Parthenon M&A Due Diligence Consulting teams can help your business identify value drivers, improve deal structures and mitigate risks.
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
How do CEOs reimagine enterprises for a future that keeps rewriting itself?
EY-Parthenon CEO Outlook 2026 explores how leaders use AI, transformation and portfolio strategy to navigate uncertainty and drive sustainable growth.
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.
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.
Client success stories
EY-Parthenon M&A advisor in sale of Swedish fiber communication network
EY-Parthenon financial advisor in divestment of Swedish fiber communication network to Local Connect.
EY-Parthenon M&A advisor to E.ON in sale of district heating network
EY-Parthenon financial advisor to E.ON in divestment of Vallentuna district heating network to Solör Bioenergy.
EY-Parthenon M&A advisor to Solgrid in divestment of Swedish solar PV projects
EY-Parthenon financial advisor to Solgrid in divestment of solar PV projects to Uniper
EY advises Sunspark on sale of 20 MW solar project to Solare Nordic
EY acted as exclusive financial advisor to Sunspark Nordic on the sale of a fully permitted 20 MW solar project.
EY financial advisor to E.ON in sale of district heating network
EY financial to E.ON in its divestment of a Swedish district heating network to Solör Bioenergy.
EY financial and legal advisor to Dala Energi in new transaction
EY financial and legal advisor to Dala Energi in its divestment of 51% of its grid and fibre business and partnership with Nordion Energi.
EY financial advisor to the shareholders of Premicare
EY acted as financial advisor to the shareholders of Premicare in their sale to Prima Vård.
EY financial advisor in divestment of Helios Nordic Energy to VINCI
EY Corporate Finance advisor in the divestment of 100% of the shares in Helios Nordic Energy AB (“Helios”) to VINCI Concessions.
EY financial advisor in divestment of Swedish battery storage portfolio
EY Corporate Finance financial advisor to Fu-Gen in its divestment of a Swedish battery storage portfolio of over 100 MW to Centrica.
EY advisor to the shareholders of Cevitagruppen and DBI Vård & Hälsa
EY acted as financial advisor to the shareholders of Cevitagruppen and DBI Vård & Hälsa in their merger and subsequent sale to Meliva.
EY financial advisor to Helios in divestment of Swedish 252 MW solar PV portfolio to Hafslund
EY has acted as financial advisor to Helios Nordic Energy AB (“Helios”) in their divestment of a portfolio of seven solar PV projects totaling 252 MW.
EY financial advisor in divestment of Swedish electricity network
EY has acted as financial advisor to Fortum and Uniper in their divestment of electricity distribution service operator Blåsjön Nät (“Blåsjön”) to Downing Renewables and Infrastructure Trust
EY advisors to FrostPharma in their new partnership with Priveq
The Swedish entrepreneurial specialty pharma company FrostPharma welcomes Priveq as a new growth partner.
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