Best Law Firms in Massachusetts for Mergers and Acquisitions Law

Cities

19
matches

 Boston, Massachusetts
Client Endorsed
 Boston, Massachusetts
United States 2026
 12  National Awards
 23  Regional Awards

Sullivan has one goal: to help businesses thrive in an ever-changing marketplace. We combine the breadth of experience and sophistication you expect from a prominent, top-tier law firm with an unusually creative and flexible approach. Clients choose Sullivan because our lawyers are hands-on, business savvy and straightforward, with an intense commitment to our clients' interests.

WE REPRESENT CLIENTS THAT REPRESENT THE FUTURE

As an international law firm with innovation in our DNA, we attract clients that are visionaries, trailblazers and game changers. Established companies pushing their industries in bold new directions. Growing businesses seeking new markets. Emerging companies pursuing disruptive business models.

From investment management, cutting edge REITs and opportunity zones, to blockchain ventures and international tech IPOs, Sullivan guides organizations that are rewriting the rules. Our clients bring out our best – strategic vision, comfort with complexity and intense focus on results. Working together, we help them recognize new options and make confident strides to success.

Together we’re recalibrating what it means to work with a law firm.

OUR BURST

Our logo captures the essence of our collegial, forward thinking culture with a collaborative and creative “burst” that symbolizes the dynamic diversity of ideas, people and solutions we offer to our clients.

Our clients benefit from:

  • Strategic locations in Boston, London, New York, Tel Aviv and Washington, D.C. and international alliances in Europe, Asia and the Middle East
  • Approximately 220 attorneys
  • A broad range of commercial legal services
  • Experience with domestic and international clients ranging from emerging businesses to Fortune500 companies and leading financial institutions.

Customized solutions that work for your business. 

We dig deep to understand our clients and their industries in order to deliver solutions and value. Our lawyers work together in small teams emphasizing close partner-client contact and collaboration.

Exceptional Talent. 

Many leading lawyers have moved to Sullivan for our entrepreneurial, creative style. Our individual lawyers and practice groups have strong national reputations, including our REIT, tax and mutual fund practices that earn top rankings. Our lawyers are also ranked annually in publications, such as Chambers USA, Chambers Global, Chambers UK, The Legal 500 United States, The Legal 500 UK, Super Lawyers, Best Lawyers in America, and U.S. News - Best Lawyers "Best Law Firms."

Collegiality.

We pool the talent of lawyers from across the firm's practices to ensure you get the right team for your job.

Visit our Global Services section to learn more about our international presence and capabilities.

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National Tier 2 in Mergers and Acquisitions Law
Boston Tier 1 in Mergers and Acquisitions Law
 6  National Awards
 17  Regional Awards
Boston Tier 3 in Mergers and Acquisitions Law
 1  Law Firm of the Year Award
 39  National Awards
 88  Regional Awards
National Tier 1 in Mergers and Acquisitions Law
Boston Tier 1 in Mergers and Acquisitions Law
 1  Law Firm of the Year Award
 40  National Awards
 122  Regional Awards
National Tier 1 in Mergers and Acquisitions Law
Boston Tier 1 in Mergers and Acquisitions Law
 16  National Awards
 27  Regional Awards
National Tier 2 in Mergers and Acquisitions Law
Boston Tier 1 in Mergers and Acquisitions Law
 11  National Awards
 73  Regional Awards
National Tier 3 in Mergers and Acquisitions Law
Boston Tier 1 in Mergers and Acquisitions Law
 1  Law Firm of the Year Award
 28  National Awards
 67  Regional Awards
National Tier 1 in Mergers and Acquisitions Law
Boston Tier 1 in Mergers and Acquisitions Law
United States 2026
 46  National Awards
 189  Regional Awards
National Tier 1 in Mergers and Acquisitions Law
Boston Tier 2 in Mergers and Acquisitions Law
United States 2026
 1  Law Firm of the Year Award
 7  National Awards
 39  Regional Awards
Boston Tier 3 in Mergers and Acquisitions Law
United States 2026
 29  National Awards
 44  Regional Awards
National Tier 3 in Mergers and Acquisitions Law
Boston Tier 2 in Mergers and Acquisitions Law
United States 2026
 47  National Awards
 217  Regional Awards
National Tier 1 in Mergers and Acquisitions Law
Boston Tier 1 in Mergers and Acquisitions Law
United States 2026
 3  National Awards
 4  Regional Awards
Boston Tier 2 in Mergers and Acquisitions Law
United States 2026
 16  National Awards
 30  Regional Awards
Boston Tier 2 in Mergers and Acquisitions Law
United States 2026
 10  National Awards
 90  Regional Awards
National Tier 3 in Mergers and Acquisitions Law
Boston Tier 2 in Mergers and Acquisitions Law
United States 2026
 2  Law Firm of the Year Awards
 39  National Awards
 127  Regional Awards
National Tier 1 in Mergers and Acquisitions Law
Boston Tier 1 in Mergers and Acquisitions Law
 30  National Awards
 78  Regional Awards
National Tier 2 in Mergers and Acquisitions Law
Boston Tier 1 in Mergers and Acquisitions Law
United States 2026
 1  Law Firm of the Year Award
 51  National Awards
 201  Regional Awards
National Tier 1 in Mergers and Acquisitions Law
Boston Tier 1 in Mergers and Acquisitions Law
United States 2026
 2  Regional Awards
Boston Tier 2 in Mergers and Acquisitions Law
United States 2026
 12  National Awards
 32  Regional Awards
Boston Tier 3 in Mergers and Acquisitions Law
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