Louis J. Marett

Senior Counsel

Louis Marett helps private equity funds and their portfolio companies to minimize their tax burdens in connection with mergers and acquisitions and fund formations. Known for meticulous preparation and devising creative approaches to structuring and closing deals, he has advised clients on hundreds of major transactions. 

Louis’ clients include many private equity funds, such as BV, Candescent, Century, Columbia Capital, Cove Hill, Ecosystems, Essex-Woodlands, Falcon, Great Hill, HarbourVest, M/C Partners, New Heritage, Riverside, Serent Capital, Silversmith, Spectrum, Summit, Surveyor, Sverica, Symmetric, Tower Arch, Turn/River, Windjammer, and XPV.

Recognition

  • Massachusetts Super Lawyers
  • Best Lawyers in America (2003-2025)

  • The Legal 500 (2013-2024)

  • Chambers USA (2004-2024)

  • Business Today “Top 10 Massachusetts Tax Lawyers Influencing 2023’s Business Landscape Explained”

Representative Engagements

  • Advised Serent Capital in the sale of its portfolio company Pondera Solutions to Thomson Reuters.
  • Represented Spectrum Equity in the sale of portfolio company Verafin Holdings, Inc. to NASDAQ.
  • Advised Sverica Capital Partners in its platform acquisition of Cytracom, LLC.
  • Advised Riverside Partners in its sale of Allied Dental Holdings, LLC.
  • Represented Tetragon Financial Management, a London-based hedge fund, as it became the largest institutional investor in Ripple, an internationally-known cryptocurrency company.
  • Hundreds of other corporate and partnership transactions over 45 years of practice.

Publications and Presentations

“Transactional and Operational Challenges and Strategies for International Growth,” panelist, Thriving in a Global Economy.

Professional and Community Involvement

  • Trustee of the Massachusetts Eye and Ear Infirmary
  • Trustee of the St. Vincent de Paul Foundation
  • Past trustee of the Massachusetts Taxpayers Foundation
  • Past trustee of the Schepens Eye Research Institute

Education & Credentials

Harvard Law School
JD, 1972, cum laude
Harvard College
AB, 1968, magna cum laude

Admissions

Massachusetts

U.S. District Court, Massachusetts

U.S. Tax Court

U.S. Court of Federal Claims

always in safe hands . . . one of the godfathers of tax in Boston

Chambers USA

tremendously knowledgeable … a very calm presence in transactions who doesn't get ruffled

Chambers USA

highly knowledgeable, very quick and responsive

Chambers USA

Louis's Insights

Announcements 03.22.2018

The Beekman Group Invests in Riccobene Associates

Choate recently advised The Beekman Group in its investment in Riccobene Associates Family Dentistry, a provider of comprehensive general and multi-specialty dental services with modern, well-appointed dental offices.

Announcements 06.12.2024

Choate Ranks Highly in 2024 Legal 500

The 2024 edition of The Legal 500 recognized 40 Choate attorneys in their respective fields and 10 practice areas.

Announcements 06.06.2024

Choate Lawyers and Practice Groups Recognized by Chambers 2024

The 2024 edition of Chambers USA Guide to America’s Leading Lawyers for Business recognized 34 Choate attorneys as leading counsel in their respective fields, with seven receiving Band 1 rankings.

Announcements 08.17.2023

Choate Attorneys Recognized in Best Lawyers in America® 2024

Best Lawyers in America® has recognized 43 Choate attorneys in its 2024 edition, including naming 4 partners as Lawyer of the Year in Boston for their respective practice areas.

Announcements 06.07.2023

Choate Ranks Highly in 2023 Legal 500

The 2023 edition of The Legal 500 recognized 29 Choate attorneys in their respective fields and 12 practice areas, with education and middle-market M&A receiving Tier 1 rankings.

Announcements 06.01.2023

Choate Lawyers and Practice Groups Recognized by Chambers 2023

The 2023 edition of Chambers USA Guide to America’s Leading Lawyers for Business recognized 16 practice areas and 31 Choate attorneys as leading counsel in their fields, with six receiving Band 1 rankings, three receiving nationwide recognition, two global recognitions, and two senior statesmen.

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