3 Best Criminal Defence Lawyers in Oshawa, ON

Expert-recommended Top 3 Criminal Defence Lawyers in Oshawa, ON. All of our Criminal Lawyers actually undergo a rigorous 50-Point Inspection, which includes everything from checking reviews, ratings, reputation, history, complaints, satisfaction, trust and price - all to ensure overall excellence. You deserve only the best!

9+ YEARS ON TBR
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AITKEN ROBERTSON CRIMINAL & DUI DEFENCE

25 Ritson Road North,
Oshawa, ON L1G 5P4 Directions

Since 1999

Specialty:

✓Criminal Defence ✓DUI Defence ✓Impaired Driving ✓Drinking and Driving ✓Domestic Assault ✓Sexual Assault ✓Other Assaults ✓Threats ✓Internet Offences ✓Child Pornography Offences ✓Drug Offences ✓Firearms Offences ✓Driving Under Suspension ✓Dangerous Driving ✓Traffic Offences ✓Impaired Boating ✓Bail Hearings ✓Young Offender Matters ✓Shoplifting ✓Theft ✓Fraud ✓Mischief ✓Criminal Appeals ✓Provincial Offences ✓Breach of Probation ✓Peace Bonds

"Aitken Robertson Criminal & DUI Defence provides real solutions for defending any criminal offence, serving for over two decades. Their lawyers use a unique team strategy where all criminal lawyers at Aitken Robertson Criminal & DUI Defence take an active role in each case. Richard Aitken, a founding lawyer, has over 40 years of experience. At Aitken Robertson, the lawyers believe that a thorough, professional expert investigation is indispensable. They believe that each client should receive quality, experienced criminal defence regardless of their finances. Aitken Robertson Criminal & DUI Defence offers free 30-minute consultations, flat-rate billing, and interest-free payment plans. They serve Toronto, Newmarket, Peterborough, Kingston, Markham, and all court levels in Ontario.

2026 Highlights: Aitken Robertson Criminal & DUI Defence is dedicated to protecting your rights and achieving the best possible outcome."

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Contact:

(905) 725-3564 (800) 668-1657

Mon-Fri: 9am - 5pm
Sat & Sun: Closed

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Jeffrey Smart - Oshawa, ON Criminal Defence Lawyers - Lawyer Image
Jeffrey Smart - Oshawa, ON Criminal Defence Lawyers - Professional Portrait Image
Jeffrey Smart - Oshawa, ON Criminal Defence Lawyers - Team
9+ YEARS ON TBR
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JEFFREY SMART

SMART CRIMINAL LAWYER 39 Bond Street, Unit 4,
Oshawa, ON L1G 1B2 Directions

Since 2015

Specialty:

✓Criminal Defence ✓Impaired Driving ✓DUI ✓Dangerous Driving ✓Assault ✓Domestic Assault ✓Theft ✓Fraud ✓Drug Offences ✓Sexual Offences ✓Firearm Offences ✓Robbery ✓Youth Criminal Justice Act Matters ✓Notary Public Services ✓Commissioner of Oaths

"Jeffrey Smart has extensive experience practicing criminal law, with 17 years of defending the community against criminal allegations. He started his career as a Provincial and Municipal Prosecutor for the City of Kawartha Lakes and the Ministry of the Attorney General. He worked with several distinguished senior lawyers before returning to his family law firm. Jeffrey is a member of the Durham Region Law Association and the Criminal Lawyers Association. He serves as a panel member of Legal Aid Ontario, demonstrating his commitment to accessible legal representation for all. He has earned the respect of his clients by listening to their concerns, giving them legal advice they can trust, and getting them the results they need. Jeffrey is the leading lawyer at Smart Criminal Lawyer, dedicated to providing unwavering support and strategic legal representation. They offer 24/7 free consultations. Contact them to book your appointment.

2026 Highlights: Smart Criminal Lawyer serving Durham Region, including Whitby, Brooklin, Ajax, Pickering, and Bowmanville."

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License #69277F

Contact:

(905) 438-1529

Mon-Thu: 9am - 6pm
Fri: 9am - 5pm
Sat & Sun: Closed

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3+ YEARS ON TBR
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ARVIN ROSS

AR LAW 50 Richmond Street East, Suite 119,
Oshawa, ON L1G 7C7 Directions

Since 2014

Specialty:

✓Criminal Defence ✓DUI Defence ✓Impaired Driving ✓Marijuana DUI ✓Refusal to Provide a Breath Sample ✓Assault ✓Domestic Assault ✓Drug Possession ✓Theft ✓Shoplifting ✓Fraud ✓Dangerous Driving ✓Failure to Stop for Police ✓Failure to Stop at an Accident Scene ✓Weapons Offences ✓Vehicular Manslaughter

"Arvin Ross specializes in cases of impaired driving offences and is dedicated to providing strategic defence for their clients. He has twenty years of distinguished experience in the legal field. Arvin has extensive experience handling the complexities of criminal law in Ontario's courts. Renowned for his strong defence, he ensures that each case is managed with meticulous attention to detail and a personalized, strategic approach. AR Law is where you can find trusted criminal defence lawyers in the Durham Region and surrounding areas. They serve Ajax, Durham, Oshawa, Whitby, Pickering, Bowmanville, Scarborough, Toronto, and the Regional Municipality of York. Arvin Ross is the founder and lead lawyer at AR Law and is deeply committed to protecting the rights of his clients. AR Law understands local laws and has worked with lawyers, prosecutors, judges, investigators, and other professionals in its community over the years.

2026 Highlights: Contact their team today for a free consultation and experience their unwavering dedication to skillful advocacy."

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License #65249R

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