Criminal Defense · Boston, Massachusetts

Attorney Profile

Ryan Callahan

Criminal defense representation grounded in preparation, clear communication, and respect for what is at stake.

Clerk's hearing

A steady advocate when the stakes are personal

Ryan believes in being a master of a single trade. His practice is dedicated entirely to criminal defense, giving him in-depth knowledge and experience in this area of law.

Ryan is committed to ensuring your case is defended in a speedy, thorough, and professional manner. No two cases are alike. Each client deserves individual consideration for every aspect of their case. Clients working with the Law Offices of Ryan P. Callahan will receive the individualized attention they and their case deserve.

Ryan uses his experience as a prosecutor to expertly navigate his clients’ cases. He knows what arguments prosecutors will make and how to work around them. As a prosecutor, he handled hundreds of cases, specializing in OUIs, domestic violence, and firearms cases.

Ryan knows what evidence you are entitled to, and he goes to court and fights for every piece of evidence the prosecution has so there are no surprises at trial.

Ryan has been the lead attorney on trials ranging from assault and battery and OUI/DUI to firearm and drug-distribution cases. He is not afraid to stand up in court and tell your story to show why you should be found not guilty.

Since opening his own practice, Ryan has helped clients’ cases be dismissed through a variety of means, including before charges even appeared on their records.

The Law Offices of Ryan P. Callahan focuses on ensuring you receive the attention you and your case deserve. Ryan is dedicated to helping you and your loved ones through one of the most challenging points in your lives.

What clients can expect

Prepared

Careful review of the charge, discovery, timelines, and available evidence.

Clear

Plain-language guidance about options, risks, and the next step.

Responsive

Communication that recognizes how disruptive and urgent a criminal case can feel.