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03 Nov 2025 ConsultingOur M&A advisory team helps enable strategic growth through better integrated and operationalized mergers and acquisitions, JVs and alliances. In a fast-paced M&A market, we help companies move quickly to refine their growth strategy, perform deal sourcing, conduct diligence and valuation and achieve greater synergies during M&A integration.
Our clients enjoy the personalized attention of a full-service organization with access to broad intellectual capital, extensive relationships and leading‑class solutions to drive growth strategies that fit buy-side M&A needs.
We are one of the only major professional consulting organizations that offers fully-dedicated multidisciplinary M&A advisory capabilities. From strategy to execution, our services are underpinned by extensive due diligence, commercial, operational, financial and tax experience.
We also combine M&A, functional and sector experience with M&A technology to help companies make better, faster decisions. In particular our technology leverages machine learning and artificial intelligence, robotics and process automation, and data analysis and visualization to help increase confidence in decisions and accelerate synergy capture.
We understand that every type of deal is different, requiring bespoke integration approaches, priorities and operating models. Our M&A advisory team can help you understand what business to buy, how to value it and how to integrate it into your company.
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Our latest thinking
US M&A activity insights: October 2025
Read the latest Merger Monthly, with insights on recent US M&A activity and what M&A trends to expect as we look ahead.
M&A outlook: stronger US deal market in 2026 despite mixed economic signals
The EY-Parthenon Deal Barometer, informed by our US economic outlook, predicts robust US deal volume growth through 2026.
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.
Turning risks into advantages: M&A as a growth engine for industrials
Despite an uncertain market, industrial manufacturers that adopt a thoughtful strategy can use M&A to make progress on key agenda items. Read the article.
Five actions to enhance shareholder value in M&A deals
Enhance M&A success by aligning corporate strategy with 5 key actions: strategic planning, data-driven capital allocation, AI use, and early communication.
How an M&A clean room strategy can accelerate transactions synergies
Discover how an M&A clean room strategy enhances transaction synergies, ensuring compliance, security, and faster integration.
M&A stress test: Are you prepared for the next big deal?
Prepare for successful M&A with the EY-Parthenon M&A Stress Test. Learn how to maximize deal value and avoid pitfalls.
Four areas of innovation can shape the future of health care value
Health care payers are thriving by tackling common operational challenges. Discover how.
Learn key steps for corporate venture building to unlock value in different sectors.
How a global firm moved swiftly to set up a stand-alone energy business
A global conglomerate with newly acquired oil and gas assets leveraged an accelerated approach to cost, supply chain and technology. Learn more.
Why you need a better antitrust approach in health care M&A diligence
Blending business strategy and antitrust economics in health care M&A due diligence can uncover dealbreakers and create value amid complex regulation.
Three lessons learned from transformative health care M&A
Unlock value in health care M&A by avoiding pitfalls. Discover strategies for successful health care deals and effective transformation.
Beyond integration: Value creation from bolt-on life sciences deals
Discover strategies for successful bolt-on acquisitions in life sciences for 2025. Read the full article for essential insights.
Macro Bites: Signals show steady boost in 2025 M&A deal activity
Learn about the 2025 M&A forecast and what companies should consider when preparing for dealmaking.
How chief information officers can drive more value in transactions
Forward-thinking CIOs can make mergers and acquisitions an opportunity to help transform the business. Learn more.
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.
Beyond the deal: accurately estimating M&A integration costs
Discover key drivers of M&A integration costs and ensure deal success. Learn how to plan strategically for long-term value. Read more.
How to be a savvy technology M&A dealmaker
The EY-Parthenon Technology Corporate Development Survey confirms seven key traits of companies that succeed with mergers and acquisitions (M&A). Read more.
Banking M&A Quick Takes: merger of equals
Banks are considering mergers with similar-sized institutions to create more resilient entities. Learn more about banking M&A trends.
Tech M&A Quick Takes: Plan early for M&A integration strategy
In the Tech M&A Quick Takes video, EY leaders discuss the year of growth, M&A integration strategy and value drivers. Watch the video to learn more.
Dealmaking amid uncertain monetary cycles: Lessons from history
The key to proactive dealmaking lies in past trends and in innovative approaches to navigate future economic shifts. Learn more.
Energy M&A Quick Takes: How companies are transforming deal structures
In the Energy M&A Quick Takes video, EY leaders discuss oil and gas consolidation, and integrations that require more due diligence.
CIO Survey: will you set the GenAI agenda or follow the leaders?
Get insights on how CIOs will address the challenges and capture the full benefits of GenAI in the 2024 EY CIO Sentiment Survey.
Macro Bites: Beating health care industry challenges
Industry leaders need to look to tech solutions, partnerships and M&A to overcome health care industry challenges.
Mega mergers can have mega payoffs — with the right approach
Mega mergers can pay off with higher shareholder value if companies take the right approach. Find out more.
Case study: How a Nordic SaaS player unlocked potential in a global lockdown
A bold strategy and deep, multi-disciplined M&A experience turned “it can’t be done” into a sale that facilitated outstanding outcomes. Learn more.
How the right buyer helped a family grow global plant-based food production
Innovation in plant-based meat could have a major role in promoting healthier food alternatives and sustainable environmental practices.
How EY-Parthenon can help
EY-Parthenon M&A Integration Consulting teams can help you integrate assets while preserving value, accelerating synergy realization and minimizing risk.
Read moreDiscover how our EY-Parthenon M&A cybersecurity teams can help identify vulnerabilities, quantify cyber risks, and manage cybersecurity throughout M&A.
Read moreLearn how EY-Parthenon M&A Due Diligence Consulting teams can help your business identify value drivers, improve deal structures and mitigate risks.
Read moreDiscover how EY-Parthenon teams can bring a lifecycle approach to joint ventures and alliances. Contact our team to help your business adapt to change.
Read moreDiscover EY-Parthenon’s AI-powered deal technology platforms that drive real-world results across strategy, transactions and transformation.
Read moreOur M&A strategy teams design and deliver IT, cyber and digital strategies to improve your enterprise value whether buying, merging or divesting a business.
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