About John J. O'Neill, Jr.

Welcome to John J. O'Neill, Jr., an experienced personal injury law firm serving Chelmsford, Massachusetts. We're dedicated to fighting for the rights of injury victims and securing the compensation they deserve. With a proven track record of successful case outcomes, our attorneys provide compassionate, aggressive representation.

Legal Disclaimer: This website is for informational purposes only. Contacting John J. O'Neill, Jr. through this site does not create an attorney-client relationship. Please do not send any confidential information until an attorney-client relationship has been established.

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Client Testimonials

Client

★★★★★

I have known mr. O'Neill since the early nineties, every time I've needed his assistance he is responding back to me within 48 hours. He is giving me concise answers he is been very open and honest about what he does and does not handle. I will continue to use him and his service

Client

★★★★★

John, Is what you need in an attorney, honest as the day is long! He is practical, smart and if he does not have an answer will suggest places to get the answer. I would highly recommend him for your legal needs.

Client

★★★★★

John is a very good man. I wouldn't go to nobody but him. Pick him you won't regret it 1000%

Client

★★★★★

The best of the best.. My guy for certain

Client

★★★★★

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