Law Office of Mark Osborne

Attorney Mark Osborne is an aggressive Criminal & DUI lawyer and he is fired up and ready to defend you. If you have been arrested and charged for DUI in New Hampshire , drug charge or any criminal offense, then don’t hesitate to contact the top criminal lawyer in New Hampshire. You can reach him day or night during the week and the weekend. He realizes that most arrests and police action do not occur at the most convenient hours for you and your family. Mark is happy to meet with you after hours or during the weekend if necessary.

Mark is ready to take your call and to help you and walk you through an arrest, an accusation, a police interrogation, a motor vehicle stop, and any other random police action that can ruin your life and rock your world without warning.

DUI lawyers in NH

Mark treats his clients the way they would want to be treated if they were suddenly arrested or accused of a crime. Which is why he is always available and why he does not charge any consultation fees.

As defense attorneys and former prosecutor, Mark knows what it is like to speak to a judge or jury from both sides of the courtroom. They can give you a realistic idea of what your prosecutors and your arresting officers will try to do to you.

If your life has just been derailed by an arrest, an accusation, or unwelcome police action, then call Mark. He will fight to get you back on track.

Call Anytime! Emergency Calls


Criminal Defense / DUI Lawyer Mark Osborne Speaks to Fox News About 100s of NH DUI cases scrutinized due to inadmissible evidence.

★★★★★ Kyle

Attorney Osborne conducted my case with the state in a realistic, professional manner. I’m truly grateful for his representation and I would not have been able to settle my case without him. I can not recommend his services enough. Thank you Osborne and team!

★★★★★ T.J.E.

Best legal representation in the state. Attorney Osborne is a true professional. He’ll be straight forward and realistic with you about your case, and won’t just treat you like another client. He’ll do his best to put your mind at ease, as well as your legal troubles. Highly recommended.

★★★★★ -Mikayla C.

We hired Mark Osborne for my husband’s driving case. This case could have made him a habitual offender which he could have lost his license for, and Mark was able to drop the entire charge. We knew right away that we wanted to hire him even after meeting with a few other lawyers. He was very personable, honest, and respectful. We would recommend him to everyone we know! We can’t thank him enough!

About Us

New Hampshire Criminal Lawyer Mark Osborne have successfully handled hundreds of DUI’s in NH. As a criminal lawyer for New Hampshire, attorney Osborne has also helped clients facing misdemeanors, felony charges, drug charges, domestic violence and sexual offenses. While the law office is located at 351 Main Street in Nashua, New Hampshire, and he represents clients throughout the state.

Call Anytime! Emergency Calls


  • Nashua
  • Manchester
  • Concord
  • Bedford
  • Merrimack
  • Salem
  • Derry
  • Londonderry
  • Belknap County
  • Carroll County
  • Cheshire County
  • Coos County
  • Grafton County
  • Hillsborough County
  • Merrimack County
  • Rockingham County
  • Strafford County
  • Sullivan County