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Horn Williamson LLC

Philadelphia, Pennsylvania
THE BEST LAWYERS IN AMERICA® AWARDS:: 3 BEST LAWYERS: ONES TO WATCH® IN AMERICA AWARDS:: 1 BEST LAW FIRMS® AWARDS:: 2
4 Attorneys

About Horn Williamson LLC

Office Locations

Philadelphia, PA Headquarters

Two Penn Center, Suite 1700, 1500 JFK Boulevard, Philadelphia, PA 19102

215-987-3800

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Wilmington, DE

1201 N. Orange Street, Suite 7697, Wilmington, DE 19801

302-268-6236

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Leadership Team

Jennifer M. Horn

Founding Partner

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Carter N. Williamson

Partner

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Ryan Lockman

Managing Partner

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Matthew C. Collins

Chair of Community Association Practice Group

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Matthew H. Dempsey

Partner

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Judge Gene D. Cohen (Ret.)

Inside General Counsel

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Margaret M. Underwood

Of Counsel

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Awards & Recognition

Featured Awards

THE BEST LAWYERS IN AMERICA® AWARDS: 3

BEST LAWYERS: ONES TO WATCH® IN AMERICA AWARDS: 1

BEST LAW FIRMS® AWARDS: 2

Key Contacts

Jennifer M. Horn

Founding Partner

215-987-3800

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Denise Adamic

Director of Community Association Services/Marketing

484-845-5708

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Jennifer Allegra

Director of Operations

215-987-3800

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Reviews

4.4 / 5

49 Reviews

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Norma Hauck

Feb 01, 2026

Outstanding experience with Horn Williamson LLC in undefined - truly the best legal team

I didn't think I'd find such a good lawyer in undefined, but here we are and I am thoroughly impressed. Horn Williamson LLC is just awesome and exceeded all my expectations. No complaints at all! They...

J

Jerome Gutmann

Feb 01, 2026

Would recommend Horn Williamson LLC for sure to anyone in undefined needing legal help

I've already told all my friends and family about Horn Williamson LLC. If you need Construction Law help in undefined, they're the ones to see without any doubt. They are local experts who really unde...

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Kerry Maggio

Feb 01, 2026

Reliable lawyer you can count on - Horn Williamson LLC provided excellent service throughout

Needed help with Construction Law and Horn Williamson LLC delivered on their promises. They're professional, efficient, and easy to talk to. Good choice for anyone in undefined looking for high-qualit...

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Henrietta Kuhlman

Feb 01, 2026

Highly recommend Horn Williamson LLC for anyone needing expert Construction Law help in undefined

I was really stressed about my case in undefined, but Horn Williamson LLC made everything so smooth and stress-free. Seriously, the best decision I've made lately was hiring them. They handled every d...

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Stephanie Kovacek

Feb 01, 2026

Really helpful and compassionate service from everyone at Horn Williamson LLC's firm

Horn Williamson LLC has been doing this since a long time ago, and it definitely shows in their work. They're pros through and through and I wouldn't trust anyone else with my legal matters in undefin...