Marshall Dennehey, P.C.

$380.1M revenue • 1,001 employees • Bank of America Tower, 50 N Laura St Suite 1900, Jacksonville, FL, 32202, United States

Last Updated Jan 3, 2026

Company Overview

Company Name

Marshall Dennehey, P.C.

Address

Bank of America Tower, 50 N Laura St Suite 1900, Jacksonville, FL, 32202, United States

Approx. Annual Revenue

$380.1M

Employees

1,001

Established

1999

About Marshall Dennehey, P.C.

Marshall Dennehey is an Am Law 200 firm based in King of Prussia, Pennsylvania, with approximately 1,001 employees. Established in 1999, the firm defends and resolves legal disputes for clients in civil litigation, with a focus on areas such as casualty, professional liability, healthcare, and workers' compensation.

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Michael Archibald Managing Attorney
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Mark Thompson President & CEO
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Bradley Blyston Managing Attorney
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Robert Fitzgerald Managing Attorney
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Adam Calvert Partner
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Howard Mankoff Litigation Partner
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Bill Gianaris Managing Partner
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Thomas Brophy President
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