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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

C

Conrad Veum

Feb 01, 2026

So glad I called Horn Williamson LLC to handle my Construction Law case in undefined

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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Ruben Bailey-Wiza

Feb 01, 2026

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

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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Rickey Lindgren

Feb 01, 2026

Excellent legal representation provided by Horn Williamson LLC for my Construction Law case

Really glad I found Horn Williamson LLC for my case. They were a huge help and made everything understandable. I was very impressed with their knowledge and how they handled the opposition. If you're...

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Patsy Morar

Feb 01, 2026

Horn Williamson LLC did a great job handling my complex Construction Law case from start to finish

It's hard finding a reliable lawyer these days, but Horn Williamson LLC in undefined is definitely one of the good ones. Would use them again if needed without hesitation. They are professional, respo...

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Elsa Schultz

Feb 01, 2026

So happy with the results of my case thanks to the hard work of Horn Williamson LLC and staff

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...