Patrick Costello

Patrick Costello's email & phone

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Partner at Horn Williamson LLC|Greater Philadelphia, United States

Position:

Partner at Horn Williamson LLC

Location:

Greater Philadelphia, United States

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Last updated: 2026-05-11
Updated: 2026-05-11

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Work Experience 24 years

Partner at Horn Williamson LLC

May 2025 - Current

Partner at Horn Williamson LLC

May 2025 - Current

Attorney at Dailey LLP

Jan 2020 - Jun 2025

Attorney-at-Law at Venzie, Phillips & Warshawer, P.C.

Jan 2007 - Dec 2019

Attorney-at-Law at Klehr Harrison Harvey Branzburg LLP

Jan 2004 - Jan 2007

Judicial Law Clerk at Judge Jan R. Jurden, Delaware Superior Court

Jan 2003 - Jan 2004

Judicial Law Clerk at Judge Harold A. Thomson, Jr., Court of Common Pleas, Pike Co. Pennsylvania

Jan 2002 - Jan 2003

Patrick Costello started working in 2002, then the employee has changed 5 companies and 3 jobs. On average, Patrick Costello works for one company for 3 years 7 months.

Education

J.D. at Pennsylvania State University, The Dickinson School of Law

B.A. History at Bucknell University

Bachelor of Arts - BA at Bucknell University

Wyoming Seminary College Preparatory School

Frequently Asked Questions

What is Patrick Costello's email address?

SignalHire found a verified business email address for Patrick Costello: c**@hornwilliamson.com.

What is Patrick Costello's phone number?

SignalHire found a verified phone number for Patrick Costello: +1-***-***-5688.

How do I contact Patrick Costello at Horn Williamson LLC?

You can reach Patrick Costello through SignalHire by unlocking their verified email and direct phone number (free signup, no credit card needed). SignalHire is the fastest route if you need their contact details immediately.

What is Patrick Costello's professional background?

Patrick Costello has 24 years of professional experience. They have held roles including Partner, Attorney, and Attorney-at-Law at companies such as Horn Williamson LLC, Dailey LLP, and Venzie, Phillips & Warshawer, P.C.. Their education includes J.D. from Pennsylvania State University, The Dickinson School of Law, and B.A. History from Bucknell University.

Is Patrick Costello's contact information up to date?

Yes. Patrick Costello's SignalHire profile was last updated on 11 May 2026, reflecting their current position as Partner at Horn Williamson LLC in Philadelphia, Pennsylvania, United States.

Patrick Costello Namesakes

Name
Company
Position
Patrick Costello
Crane and Rigging Superintendant

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