Firm PROFILE
Sullivan & Worcester
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Sullivan & Worcester

USA 2026

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Rankings

USA

Leading firm in USA 2026

Top figures

220

Lawyers

5

Offices

1941

Established Year

Content provided by Sullivan & Worcester

Overview

Provided by Sullivan & Worcester

Sullivan & Worcester is a premier international law firm with approximately 220 attorneys in Boston, London, New York, Tel Aviv and Washington, D.C. Sullivan’s clients, including Fortune 500 companies, leading financial services firms and asset managers, boards of directors, real estate companies, and emerging businesses, rely on Sullivan’s ability to navigate complex legal and operational landscapes, the impeccable judgment of its lawyers, and its commitment to best‑in‑class client service.

Industry sectors (15)

  • Agriculture & Timberland
  • Automotive
  • Aviation
  • Cannabis
  • Consulting
  • Environmental, Social & Governance (ESG)
  • Esports & Gaming
  • Financial Services
  • Fintech & Blockchain
  • Hotels & Hospitality
  • Life Sciences
  • Non-Profit & Education
  • Senior Living
  • Private Investment Funds & Institutional Investors
  • Venture Capital

Capabilities (15)

  • Bankruptcy & Restructuring
  • Capital Markets
  • Corporate Governance and Board Advisory
  • Corporate/M&A
  • Employment & Benefits
  • Finance
  • Fintech & Blockchain
  • Intellectual Property
  • Investment Management
  • Litigation
  • Private Clients/Trusts & Estates
  • Real Estate
  • REITs
  • Tax
  • Trade & Export Finance

Key people

Provided by Sullivan & Worcester

  • David Nagle

    Managing Partner

  • Joel Carpenter

    Partner, Management Committee

  • William Curry

    Partner, Management Committee

  • David Danovitch

    Partner, Management Committee

  • David Mahaffey

    Partner, Management Committee

  • Lewis Segall

    Partner, Management Committee

  • Amy Sheridan

    Partner, Management Committee

  • John Steiner

    Partner, Management Committee

  • Amy Zuccarello

    Partner, Management Committee

  • Robert Brace

    Chief Operating Officer

Media

Provided by Sullivan & Worcester

Work & experience

Provided by Sullivan & Worcester

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."

Notable work

Provided by Sullivan & Worcester

Sullivan provides tax counsel and regularly provides public tax opinions to the largest public REITs in the world

2025Ongoing $210.0B Boston, MA

This includes 10 public U.S. REITs and two public Singapore REITs.

Sullivan represented A.G.P./Alliance Global Partners as placement agent’s counsel

2025Completed $400.0M New York, NY

As placement agent’s counsel in its PIPE offering of ordinary shares of Rezolve AI PLC, an AI company.

We represented Live Oak Real Estate Investments in its acquisition of One Bowdoin Square

2025Completed $28.0M Boston, MA

Acquisition of a 141,831 square foot, 11-story Class A office building in Boston’s Government Center/West End.

Ranked Offices at Sullivan & Worcester

Provided by Sullivan & Worcester

USA - Head office

Massachusetts

One Post Office Square, Boston, Massachusetts, USA, MA 02109, Boston

www.sullivanlaw.com

+1 617 338 2800

USA

New York

1633 Broadway, 32nd Floor, New York, New York, USA, NY 10019-6708, New York

District of Columbia

1666 K Street NW, Washington, DC, District of Columbia, USA, 20006, Washington, DC

Ranked Departments at Sullivan & Worcester (8)

Massachusetts

USA - Nationwide

Ranked Individuals at Sullivan & Worcester (18)

Massachusetts

USA - Nationwide

Top figures

220

Lawyers

5

Offices

1941

Established Year

Content provided by Sullivan & Worcester

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