Gavin Costelloe

4.5 (34 reviews )

N/A

Criminal Practice Litigation

Recognized in Ones to Watch since 2025

203 349 8700 Website

About Gavin

Gavin Costelloe is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Practice and Litigation.Gavin, who practices law in London, United Kingdom, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gavin is held by other top lawyers in the same geographic and legal practice area.

Gavin Costelloe is a top attorney recognized by Best Lawyers in the practice area(s) of Criminal Practice and Litigation.

Gavin, who practices law in London, United Kingdom, has been recognized since 2025. This recognition is based on an exhaustive peer-review survey, reflecting the high esteem in which Gavin is held by other top lawyers in the same geographic and legal practice area.

Practice Areas

Criminal Practice

Litigation

Awards & Recognition

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Reviews

4.5 / 5

34 Reviews

1,031 Profile Views

Eddie Batz

Feb 01, 2026

Many thanks to Gavin Costelloe for the hard work and dedication to my legal matter

Really glad I found Gavin Costelloe 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 in n...

Karla Rogahn

Feb 01, 2026

Highly recommend Gavin Costelloe for anyone needing expert Criminal Practice law help in null

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

Russell Wyman

Feb 01, 2026

So happy with the results of my case thanks to the hard work of Gavin Costelloe and staff

Honestly, I can't thank Gavin Costelloe enough for everything they've done for me. They really know their stuff when it comes to Criminal Practice law and it shows in the results. 10/10 would recommen...

George Grady

Feb 01, 2026

So glad I called Gavin Costelloe to handle my Criminal Practice law case in null

Gavin Costelloe has been doing this since 2025, 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 null. Their experience...

Matthew Treutel

Feb 01, 2026

A huge weight off my shoulders thanks to the amazing work of Gavin Costelloe