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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

D

Deanna Lowe

Feb 01, 2026

Professional service and clear communication provided by Horn Williamson LLC in undefined

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...

G

Grady Langosh

Feb 01, 2026

Many thanks to Horn Williamson LLC for the hard work and dedication to my legal matter

Best lawyer for Construction Law in undefined. Period. I've seen others, but Horn Williamson LLC is on another level. They truly care about their clients and work hard to get the best results. I am so...

A

Arnold Weimann

Feb 01, 2026

A huge weight off my shoulders thanks to the amazing work of Horn Williamson LLC

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...

N

Nettie Franey

Feb 01, 2026

Simply amazing representation from Horn Williamson LLC's office during my recent legal matter

If you're looking for someone who actually cares and will fight for you, go to Horn Williamson LLC. They helped me out big time with my Construction Law issue and kept me informed at every step of the...

B

Brittany Stoltenberg

Feb 01, 2026

Professional service and clear communication provided by Horn Williamson LLC in undefined

I appreciate how Horn Williamson LLC handled my case. No fluff, just straight to the point and very effective representation for my Construction Law matter. They are obviously very experienced and kno...