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Gesmer Updegrove LLP

Law Firm · Medium firm (21 to 100 attorneys) · Founded 1986 · Updated September 2026

Boston, MA Website 617-350-680012 people
Chambers USA 2026 GuideLegal 500 USA 2026 Guide

About Gesmer Updegrove LLP

At Gesmer Updegrove LLP, lawyers handle acquisitions and other transactions for technology companies, other rapidly growing businesses, and the people who found and invest in them. Recognized by both the Chambers USA 2026 Guide and the Legal 500 USA 2026 Guide, the firm brings that transaction work to clients from startups to Fortune 500 companies. Gesmer Updegrove LLP represents both buyers and sellers of businesses. For a buyer, the firm looks for a better match between the target and the buyer's plans, for example by spinning off the less productive parts of an acquired business. For a seller, it works with founders and stakeholders so that each of their goals, from intellectual property to compensation, is covered. Lawyers in Boston choose the deal structure that suits each side's strategy and tax needs, then negotiate and close the transaction.

Who is a good fit for Gesmer Updegrove LLP

  • Owners of technology companies who need counsel on an acquisition.
  • People who invest in rapidly growing businesses and need acquisition counsel.
  • Executives at Fortune 500 companies entering a corporate transaction.

Service areas

Massachusetts

Professionals at Gesmer Updegrove LLP

Aaron Kriss

Managing Partner, Attorney · Gesmer Updegrove LLP

Boston, MA

Transaction tax structuring

Alisa F. Hoover

Senior Counsel, Attorney · Gesmer Updegrove LLP

Boston, MA

Buy-side M&A representationSell-side M&A representation

Andrew Updegrove

Partner, Attorney · Gesmer Updegrove LLP

Boston, MA

Buy-side M&A representationSell-side M&A representation

Dallas K. Mosier

Senior Counsel, Attorney · Gesmer Updegrove LLP

Boston, MA

Buy-side M&A representationSell-side M&A representationEntity formation and holding structures

James J Mangan

Senior Counsel, Attorney · Gesmer Updegrove LLP

Boston, MA

Buy-side M&A representationSell-side M&A representationEntity formation and holding structures

Jeremy Cohen

Senior Counsel, Attorney · Gesmer Updegrove LLP

Boston, MA

Sell-side M&A representationEntity formation and holding structures

John F. Cohan

Partner, Attorney · Gesmer Updegrove LLP

Boston, MA

Buy-side M&A representationSell-side M&A representation

Peter M. Moldave

Partner, Attorney · Gesmer Updegrove LLP

Boston, MA

Buy-side M&A representationSell-side M&A representationEntity formation and holding structures

Russ Schlossbach

Partner, Attorney · Gesmer Updegrove LLP

Boston, MA

Buy-side M&A representationSell-side M&A representationEntity formation and holding structures

Sarah Curtis Richmond

Partner, Attorney · Gesmer Updegrove LLP

Boston, MA

Buy-side M&A representationSell-side M&A representation

Steve Snyder

Partner and Entrepreneur-in-Residence, Attorney · Gesmer Updegrove LLP

Boston, MA

Buy-side M&A representation

Thomas H. Durkin

Partner, Attorney · Gesmer Updegrove LLP

Boston, MA

Frequently Asked Questions

Gesmer Updegrove LLP often begins with a client at the formation and governance stage. The firm then transitions that client into transactions of all types. It handles corporate contract work as those transactions develop.

Gesmer Updegrove LLP handles financings for emerging growth businesses. The firm also handles equity plans during a transaction. It handles tax work on the deal.

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