About
Matthew J. Poirier is a Flagstaff attorney and solo practitioner who concentrates on personal injury and criminal defense. He represents individuals dealing with injuries from accidents as well as clients facing criminal charges. His practice emphasizes direct communication and personal attention, allowing clients to work closely with the lawyer responsible for their matter while navigating claims, negotiations, court proceedings, and other consequences of a serious injury or criminal accusation.
Matthew earned a J.D. from the University of Arizona’s James E. Rogers College of Law after completing a B.A. in English at Rice University. He was admitted to the Arizona Bar and has practiced law in the state for more than fifteen years. His legal education and communication background support detailed case analysis, written advocacy, negotiation, and clear explanations of legal options for clients facing stressful and unfamiliar proceedings.
Matthew’s practice includes personal injury claims and criminal defense matters in Northern Arizona. His work requires evaluating the facts of accidents, damages, liability, criminal allegations, and possible defenses, then developing a strategy suited to the client’s immediate and long-term concerns. He is also proficient in Spanish, helping him communicate directly with a broader range of clients without allowing language differences to interfere with the attorney-client relationship.
Matthew J. Poirier operates his own Flagstaff law office and provides representation in matters that can significantly affect a client’s health, finances, liberty, and future. His combination of personal injury and criminal defense work gives him experience with negotiation and litigation in different settings. He focuses on maintaining direct client contact, protecting legal rights, and preparing each matter with attention to the facts and the available legal remedies.
Law Office Affiliations
- Attorney, Law Office of Matthew J. Poirier PLLC
- Member, State Bar of Arizona
Licensed State
- Arizona
Education
- University of Arizona’s James E. Rogers College of Law
Juris Doctor (JD) - Rice University
Bachelor of Arts (BA) in English
Awards & Badges

- Alternative Dispute Resolution
- Car Accidents
- Criminal Defense
- Domestic Violence
- Drug Crime
- DUI & DWI
- Green Cards
- Litigation
- Nursing Home Abuse & Neglect
- Personal Injury
- Products Liability
- Slip & Fall Accidents
- Spinal Cord Injury
- Trucking Accidents
- Wrongful Death





