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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

R

Roxanne Aufderhar

Feb 01, 2026

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

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

Angelica Bauch

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...

R

Roger Gibson

Feb 01, 2026

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

Just wanted to say a huge thanks to Horn Williamson LLC and the staff. They really went above and beyond for me and my family during a very difficult legal battle. We couldn't have done it without the...

L

Lynette Jerde

Feb 01, 2026

Top notch experts in undefined - Horn Williamson LLC is by far the best lawyer I've ever had

If you need a Construction Law lawyer, Horn Williamson LLC is the one to call. Great job and very responsive team. They kept me in the loop and always had time to explain the details of my case. I fel...

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Neal Boyle

Feb 01, 2026

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

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...