M&A Due Diligence Consulting

We conduct financial, tax, commercial, operational, IT and cyber diligence to help you identify transaction value drivers, improve M&A deal structures and mitigate risks. We also help challenge assumptions about future performance so you can choose the right valuation.


What EY M&A due diligence consulting can do for you

We conduct diligence to help you answer questions about the value drivers of your deal. Our clients include large cap and middle market organizations, as well as private equity funds. Read more about our due diligence services below, including special considerations for diligence on digital companies, including digital startups.

EY-Parthenon M&A due diligence consulting when acquiring digital companies 

Special considerations for digital companies, including digital startups 

As technology disrupts traditional business ecosystems and the competitive landscape, we can help you consider the unique aspects of diligence surrounding valuation, talent, product and commercial strategies when you pursue buying digital companies, including startups. These companies create customer value through the use of digital technology, and focus on capturing, storing and processing data. They incorporate a technology lens into everything they do to better serve stakeholders.


Our latest thinking

M&A outlook signals more subdued US deal market activity in 2025

Based on economic and market indicators — especially tariff disruption — our M&A outlook forecasts slower US M&A market activity in 2025.

M&A activity insights: April 2025

Read the latest Merger Monthly, with insights on recent US M&A activity insights and what M&A trends to expect as we look ahead.

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.

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.

Private equity’s hidden value creation opportunity: the balance sheet

Download the 2025 EY-Parthenon PE Working Capital Report to learn why portfolio companies should free up working capital for growth and investment now.

Strategies for successful corporate separations

Gain competitive advantage with valuable insights from 160+ corporate separations, including spin offs, carve outs, optimal timing, and value maximization.

Three ways c-suite execs can enhance digital M&A commercial strategy

Learn how traditional companies acquiring digital assets can embrace and interact with digital natives and can create outsized returns

Three ways a data clean room can help you realize M&A synergies faster

The three main benefits to using an M&A deal clean room. Read our report.

How to integrate multiple mergers and acquisitions

Discover an M&A integration approach that addresses the complexities of multiple transactions and accelerates business transformation. Learn more.

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