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The Top M&A Advisory Firms in the US (2024)

When it comes to M&A advisory firms, choosing the right partner is crucial for navigating complex transactions and maximizing value.  

Whether you're looking for a top M&A advisory firm or a more specialized boutique M&A advisory firm, the best firms stand out for their expertise, client relationships, and ability to deliver results.

In this blog, we’ll explore some of the top M&A advisory firms in the US, highlighting their services, industry expertise, and prestige.  

The firms we cover are known for handling high-profile transactions across various industries, from technology and healthcare to financial services and beyond.  

Understanding what defines these firms: such as prestige, culture, and work environment is key to choosing the right M&A advisor firm for your needs. 

What Defines a Top Consulting Firm

Consulting firms, especially top M&A advisory firms, can vary widely in aspects like travel requirements, billing practices, workplace culture, and the types of projects they handle. 

Whether you’re considering boutique M&A advisory firms or larger firms, choosing the right one often depends on your personal preferences, such as location, diversity initiatives, and career goals.  

When ranking or selecting the best M&A advisory firms, it's important to consider factors like prestige, culture, and the work environment to ensure you partner with the right team for your needs.  

Key factors to consider when ranking or selecting a firm include: 

  Prestige

  Culture

  Compensation

  Work/Life Balance

  Type of Project Work

  Firm Size

  Future Business Outlook

Prestige and Work Environment Rankings

Statista ranks consulting firms by prestige and workplace quality, highlighting industry leaders. The most prestigious firms often double as top-rated workplaces, showcasing their commitment to excellence and employee satisfaction. 

  • McKinsey & Company - 9.02 
  • The Boston Consulting Group (BCG) - 8.75 
  • Bain & Company - 8.61 
  • Deloitte Consulting LLP - 6.97 
  • PricewaterhouseCoopers LLP (PwC) - 6.53 
  • Booz Allen Hamilton - 6.43 
  • EY (Ernst & Young) LLP - 6.35 
  • Accenture - 6.27
  • KPMG LLP - 6.04 
  • Oliver Wyman - 6.03 
  • A.T. Kearney - 5.86 
  • Strategy& (PwC Network) - 5.64 
  • IBM Global Services - 5.62 
  • Parthenon-EY - 5.44 
  • L.E.K. Consulting - 5.38 

CTA

EY

As part of the Big Four, EY provides a full range of M&A services, from strategy and origination to post-merger integration. They mainly advise on mid-to-large deals.  

EY has a wide global presence, helping with cross-border deals. They are a key advisor for mergers in industries like healthcare, life sciences, technology, and consumer products. 

Core Specialties 

  • EY excels in audit, advisory, tax, and transaction advisory services. 
  • The firm collaborates with startups and rapidly growing market companies 
CategoryDetails
Prestige 
High 
Annual Revenue $45,000,000,000 
Prestige Ranking 
7th among all consulting firms 
Deal Volume 
EY consulted on 292 transactions 

KPMG

KPMG has a robust M&A practice, offering end-to-end transaction support including due diligence, valuation, separation, and integration services. The firm regularly advises on major M&A transactions, focusing on deals ranging from mid-to-large market transactions. 

Core Specialties

  • KPMG is renowned for its expertise in deal advisory, audit and assurance, risk management, and business strategy.  
  • The firm has a strong presence in the energy, automotive, and industrial sectors. 
CategoryDetails
Prestige 
Average to High  
Annual Revenue $35,000,000,000  
Deal Volume 
KPMG advised on 424 mid-market deals  

Boston Consulting Group

BCG is a top management consulting firm specializing in M&A strategy and integration. The firm benefits from a strong alumni network at major US corporations, which often seeks BCG's expertise for various transactions.  

BCG is involved in large, often industry-shaping mergers, playing a key role in transformative deals within the technology and industrial sectors. 

Core Specialties 

  • BCG is known for its data-driven approach and deep industry expertise. 
  • Providing strategic advice on deals in sectors such as technology, media, and telecommunications. 
CategoryDetails
Prestige 
Highest
Annual Revenue $117,000,000  
Deal Volume 
Significantly high in strategic advisory deals  

CTA

McKinsey & Company

Often regarded as the most prestigious consulting firm, McKinsey has been the focus of numerous articles, books, and even SEC investigations. While the firm is known for its secretive client list, it is widely recognized for handling large and complex high-value transactions. Headquartered in New York, McKinsey has a global presence, with significant operations in the Americas, Europe, and Asia. 

Core Specialties 

  • Known for its strategic advisory in M&A, concentrating its efforts on helping clients realize synergies and achieve long-term value creation.
  • Involved in major deals in the technology, healthcare, industrial, and energy sectors. 
CategoryDetails
Prestige 
Highest
Annual Revenue $13,500,000  
Prestige Ranking 
1st among all consulting firms 
Deal Volume 
High, particularly in strategic advisory for large-scale mergers.    


PwC

PwC, a Big Four firm, is known for its expertise in financial, operational, and strategic M&A consulting services. PwC consultants typically work in mid-market to large-scale transactions.  

Headquartered in London, PwC operates globally with over 280,000 employees across more than 150 countries. The firm has been a key advisor in major technology and healthcare mergers. 

Core Specialties 

  • PwC specializes in M&A strategy, financial due diligence, and post-deal services, excelling in managing complex global transactions with a strong focus on compliance and regulatory issues. 
CategoryDetails
Prestige 
High
Annual Revenue $50,000,000,000   
Provided services for 675 transactions.  
Significantly high in strategic advisory deals  

Deloitte

As the largest of the Big Four, Deloitte offers a broad range of services, including audit, consulting, financial advisory, risk management, and tax services. Known for handling large deals, Deloitte plays a significant role in megadeals across various industries. 

 Headquartered in London, Deloitte has a strong global presence, with offices in over 150 countries and operations in the Americas, Europe, Middle East, Africa (EMEA), and Asia-Pacific (APAC). 

Core Specialties 

  • Deloitte is recognized for its comprehensive M&A services, offering expertise in deal advisory, due diligence, post-merger integration, and restructuring. 
  • The firm has played a pivotal role in numerous high-profile deals across the technology, healthcare, and financial services sectors. 
CategoryDetails
Prestige 
High
Annual Revenue $59,000,000,000    
Deal Volume   
Advised on 361 mid-market deals.   

Accenture

Accenture is a global professional services company specializing in M&A consulting, with a focus on technology integration and transformation. The firm excels in handling mid-to-large deals. 

Headquartered in Dublin, Ireland, Accenture has a wide global reach and strong capabilities in digital markets. 

Core Specialties 

  • Specializes in technology-driven M&A, digital transformation, and IT integration. 
  • Accenture is a prominent player in major technology and telecommunications mergers. 
CategoryDetails
Prestige 
High
Annual Revenue $61,000,000,000     
Deal Volume   
Excels in mid-to-large deals.   

Oliver Wyman

Oliver Wyman provides specialized M&A consulting services, focusing primarily on the financial services and healthcare industries. The firm typically handles mid-market deals. 

Headquartered in New York City, Oliver Wyman has a strong presence in the USA and Europe, with operations globally. 

Core Specialties 

  • Specializes in technology-driven M&A, digital transformation, and IT integration. 
  • Oliver Wyman’s M&A practice focuses on financial services, healthcare, risk management, and strategy. 
  • The firm plays a key advisory role in financial services mergers. 
CategoryDetails
Prestige 
High
Annual Revenue $2,500,000,000      
Deal Volume   
Primarily works on mid-market deals.    

Booz Allen Hamilton

With a diverse team of 35,800 professionals, Booz Allen Hamilton focuses on clients and our enduring values guide us as we help organizations stay ahead in an era of constant change. 

As the largest provider of AI to the federal government, it integrates AI, cybersecurity, engineering, and emerging technologies to deliver impactful results at the core of its clients’ missions. 

Core Specialties 

  • Evolved to meet the demands of the times by investing in technology sectors like data science, analytics, digital solutions, engineering, and cybersecurity. 
CategoryDetails
Prestige 
Average (High in Middle East) 
Annual Revenue $8,000,000,000 
Prestige Ranking    
6th    

Conclusion

Choosing the right M&A advisory firm is essential for navigating complex transactions and achieving the best outcomes. Whether you prefer a top-tier M&A advisory firm with a global presence or a specialized boutique firm with deep industry expertise, understanding each firm's strengths, culture, and specialties is crucial.  

Firms like McKinsey, BCG, EY, and Deloitte are recognized leaders in the M&A space, known for handling high-profile transactions across various industries. Boutique firms, on the other hand, offer a more personalized approach, focusing on specific sectors or mid-market deals. 

FAQs

M&A advisory firms provide consulting services to businesses involved in mergers, acquisitions, and other corporate restructuring activities. They assist with strategy, valuation, due diligence, negotiation, and post-merger integration.

Some of the top M&A advisory firms in the US include McKinsey & Company, Boston Consulting Group (BCG), Deloitte, EY, and PwC. These firms are known for their global expertise, large deal volumes, and experience across various industries.

Top M&A advisory firms typically handle large, high-profile transactions and have a broad global presence, while boutique M&A advisory firms specialize in more specific markets, industries, or deal sizes, often offering a more personalized approach.

When choosing an M&A advisory firm, consider factors such as the firm's expertise in your industry, their reputation and prestige, the size and complexity of the deals they handle, and their approach to client relationships and support.

M&A advisory firms offer a range of services, including strategic advice, target identification, due diligence, valuation, negotiation support, deal structuring, and post-merger integration.

Boutique M&A advisory firms typically offer more specialized services, focusing on specific industries or mid-market transactions. They tend to have a smaller client base but offer more personalized, hands-on advisory services.

Shawn Parikh
Shawn Parikh
Founder & CEO

Shawn Parikh is the CEO and Co-Founder of MYCPE ONE. A Chartered Accountant by qualification, he has over 15 years of experience of being a problem solver for small to mid-size firms and over time he has given consultation to thousands of CPAs, accountants and tax pros. Shawn has always been a big believer and advocate of social enterprises and small accounting firms & businesses. He consults and speaks on several topics ranging from Building Remote Team - Remote Working, Offshore Staffing, strategic planning, Scalability of Accounting Practice, cloud accounting, practice management, LinkedIn marketing, etc.

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