JM

James M. Zimmerman

Cincinnati, OH

Trusted business attorney serving Cincinnati.

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James M. Zimmerman is an attorney based in Cincinnati, OHIO. The practice focuses on Business, Family Law, and M&A.

Based in
Cincinnati, OHIO
Experience
attorney
Known for
Business · Family Law · M&A
  • Handles Business, Family Law, and M&A matters from Cincinnati, OHIO.
  • Recognized with Lawyer of the Year — Business Organizations (including LLCs and Partnerships) (Cincinnati) (2025).

About James M. Zimmerman: James M. Zimmerman is an attorney based in Cincinnati, OHIO. The practice focuses on Business, Family Law, and M&A.

Areas of practice

Practice focus

James M. Zimmerman represents clients in Cincinnati, Ohio across the following areas of law. Each area links to other verified attorneys with the same focus.

Biography

About James M. Zimmerman

James M. Zimmerman is a partner in Taft’s Business and Finance Group and co-chair of the firm’s private equity and venture capital practice. He represents businesses, entrepreneurs and investors on a range of matters, including financing transactions, mergers and acquisitions, securities offerings, technology licensing agreements, and stock options/executive compensation. James serves as outside counsel for numerous startups and growth companies, and represents private equity and venture capital groups in fund formation and investments. He also has significant experience leading complex financing and M&A transactions.

In addition to his legal practice, James plays a leadership role in several community organizations and initiatives. He is a co-founder of Cincinnati Innovates, a regional innovation competition that has received hundreds of entries and awarded hundreds of thousands of dollars in prizes since its creation in 2009. James also is general counsel to Cintrifuse, an organization formed in 2012 by several of the largest organizations in Cincinnati to coordinate and catalyze the Cincinnati region’s innovation ecosystem.

James serves on the board of the Greater Cincinnati Venture Association, Breakthrough Cincinnati and The Circuit, and on the finance and investment committee for ArtsWave. He is actively involved with The Brandery, a Top 15 seed stage business accelerator. He is a frequent speaker on entrepreneurship and venture capital.

Credentials

Education

  • Vanderbilt University

    J.D. · 1999

  • Vanderbilt University

    BA · 1996

Jurisdictions

Bar admissions

  • Ohio, Ohio State Bar

    ACTIVE

Recognition

Awards & honors

  • Lawyer of the Year — Business Organizations (including LLCs and Partnerships) (Cincinnati)

    2025

  • Lawyer of the Year — Business Organizations (including LLCs and Partnerships) (Cincinnati)

    2021

  • Lawyer of the Year — Closely Held Companies and Family Businesses Law (Cincinnati)

    2020

  • Lawyer of the Year — Business Organizations (including LLCs and Partnerships) (Cincinnati)

    2017

  • Best Lawyers in America — Business Organizations (including LLCs and Partnerships)

    2026

  • Best Lawyers in America — Closely Held Companies and Family Businesses Law

    2026

  • Best Lawyers in America — Corporate Law

    2026

  • Best Lawyers in America — Mergers and Acquisitions Law

    2026

  • Best Lawyers in America — Additional Areas of Practice:

    2026

  • Best Lawyers in America — Venture Capital Law

    2026

  • Best Lawyers in America — Awards:

    2026

  • Best Lawyers in America — Forty Under 40, Cincinnati Business Courier 2010

    2026

  • Best Lawyers in America — Leading Lawyer, Cincy Magazine

    2026

Locations

Office locations

Main office

301 East 4th Street, Suite 2800

Cincinnati, Ohio 45202

Open in Google Maps

Client feedback

Client reviews

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Frequently asked

Common questions

  • What areas of law does James M. Zimmerman practice?

    James M. Zimmerman focuses on Business, Family Law, and M&A.

  • Where is James M. Zimmerman located?

    James M. Zimmerman primarily serves clients in Cincinnati, Ohio, with an office at 301 East 4th Street, Suite 2800.

  • Is James M. Zimmerman a verified attorney?

    James M. Zimmerman's profile is listed but has not yet been claimed by the attorney. Verification status is pending.

  • How can I schedule a consultation with James M. Zimmerman?

    You can book a consultation through LawyersListed directly from this page. Initial outreach can also be made by phone at 513-381-2838.