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Business Details
48 Years
experience
Trusted Calgary Criminal Defence Since 1978
Established in 1978, Dunn & Associates has built a legacy as one of Calgary's most respected criminal defence firms. Our team of seasoned lawyers brings decades of combined experience to every case, specializing in high-profile and complex criminal matters. We combine progressive advocacy with traditional legal rigor to achieve optimal outcomes for clients facing charges ranging from DUI and assault to drug offenses and white-collar crimes. Our philosophy centers on accessible, affordable defense strategies tailored to each client's unique circumstances. With a proven track record of reducing or dismissing charges before trial, we leverage deep knowledge of legal procedures and strong relationships within the justice system.

Our commitment extends beyond courtroomswe challenge public misinformation and provide transparent communication throughout the legal process. Clients benefit from flexible payment options and a no-questions-asked free consultation, ensuring legal representation remains accessible regardless of financial situation. Our success stems from relentless cross-examination, innovative legal arguments, and an unwavering dedication to protecting clients' rights and futures.
Services
Drug Offences Fraud and Theft Assault and Threats Domestic Violence Sexual Assault DUI Defence White Collar Crime Gun Offences
Details
  • Year established: 1978
Highlights and features
  • We have 40 years of experience defending complex criminal cases in Alberta and Saskatchewan
  • Our team combines progressive advocacy with traditional hard-nosed courtroom tactics
  • Proven success in dismissing charges before trial through strategic legal arguments
  • We challenge public misinformation and protect clients' reputations beyond courtroom proceedings
  • Flexible payment options make quality legal representation accessible to all clients
What people say
Top notch services Charges dropped pre-trial Great payment plan Professional and focused Saved from criminal record
Services
DUI Defence
Our DUI defence specialists challenge alcohol-related driving charges through technical evidence analysis and procedural scrutiny. We examine breathalyzer calibration records, police procedure compliance, and alternative explanations for field sobriety test results. Clients receive strategic representation tailored to minimize penalties or secure complete charge dismissal, leveraging our deep understanding of impaired driving law nuances.
Drug Offences
We defend against drug possession, trafficking, and production charges with comprehensive case strategies. Our approach examines search and seizure legality, chain-of-custody issues, and forensic testing irregularities. We work to protect clients' futures by challenging evidence admissibility and negotiating reduced charges, recognizing the severe consequences of drug-related criminal records.
Sexual Assault
Our team handles sexual assault allegations with sensitivity to both legal and reputational consequences. We investigate accuser credibility, examine digital evidence timelines, and challenge forensic interpretations. Understanding the lifelong impact of these charges, we employ rigorous cross-examination and expert testimony to protect clients' rights and reputations throughout the legal process.
White Collar Crime
We represent clients facing fraud, embezzlement, and regulatory violations with discreet, sophisticated legal strategies. Our defence focuses on financial record analysis, intent clarification, and regulatory compliance examination. We negotiate with prosecutors to minimize business disruption and protect professional licenses while addressing complex financial evidence.
Gun Offences
Our firearms law specialists defend licensing disputes, storage violations, and possession charges. We challenge technical regulatory breaches while addressing underlying allegations. Through detailed examination of RCMP verification processes and licensing criteria, we work to protect law-abiding gun owners' rights while navigating Canada's complex firearms legislation framework.
People
Greg Dunn
Criminal Defence Lawyer
With 40 years of experience, Greg Dunn specializes in complex criminal cases including DUI, sexual assault, and wildlife offences. Known for strategic charge dismissals before trial, he combines courtroom tenacity with compassionate client representation, maintaining a strong reputation among peers and former prosecutors.
Matthew Deshaye
Criminal Defence Lawyer
Matthew Deshaye focuses on DUI defence and trial representation, recognized for meticulous case preparation and successful acquittals. His disciplined approach combines thorough evidence analysis with effective courtroom advocacy, achieving favorable outcomes in impaired driving and related criminal charges.
Joel Chevrefils
Criminal Defence Lawyer
Joel Chevrefils provides comprehensive criminal defence with particular expertise in negotiation and plea bargaining. His client-centered approach emphasizes clear communication and financial flexibility, demonstrated through successful charge reductions to manageable fines in complex cases.
Tyson Dahlem
Criminal Defence Lawyer
Tyson Dahlem specializes in assault charges and domestic violence cases, employing strategic evidence challenges and witness cross-examination. His practice focuses on minimizing long-term consequences through charge dismissal or reduced sentencing alternatives.
Vince Semenuk
Criminal Defence Lawyer
Vince Semenuk handles diverse criminal matters with emphasis on fraud charges and court martial proceedings. His defence strategies combine procedural scrutiny with alternative sentencing advocacy, maintaining a balanced approach between aggressive representation and practical resolution pursuit.
Questions
Do you offer free initial consultations?
Yes, we provide no-questions-asked free consultations to discuss your case details and legal options.
Can charges be dismissed before trial?
Our track record shows successful pre-trial dismissals through evidence challenges and strategic legal arguments.
How are legal fees structured?
We offer flexible payment plans and transparent fee structures tailored to case complexity and client financial circumstances.
Do you handle cases outside Calgary?
Yes, we represent clients across Alberta and Saskatchewan from our Calgary and Saskatoon offices.
What happens during a bail hearing?
We advocate for reasonable bail conditions by presenting risk assessments and community support evidence to the court.
How do you handle sensitive cases?
We prioritize confidentiality while developing defence strategies that address both legal and reputational concerns through discreet representation.
Reviews (5)
Jess Lappala
Jan 18, 2022 Report
Positive:Professionalism,Quality,Responsiveness,Value
Hands down, Joel is an incredible lawyer I would have been screwed without him. I was fully prepared for the worst outcome but ended up with the best possible. He is honest and hard working and this is coming from someone who thought they could never trust a lawyer. I highly recommend him over and over.
Kevin Moore
Dec 26, 2021 Report
I was involved in the most unfortunate situation and I required legal assistance. Mr. Vince Semenuk recognized that my situation was due to negligence on the part of the peace officer and worked diligently to ensure I was not a victim of the peace officers errors. I would absolutely seek assistance from Vince in the future. Thank you!
Aa
Nov 23, 2021 Report
Greg Dunn lives up to his reputation as one of the best criminal lawyers in Calgary. I was facing several serious criminal charges based on false allegations. It was a long process, but Greg and his assistant kept me well-informed of the proceedings and answered all my questions patiently. I was facing a term of imprisonment, but Greg was able to successfully present my defense and had all criminal charges dropped a day before the trial. I could not have hoped for a better result. Highly recommend Greg and his office for any criminal charges you need help with!
Rod Vil
Sep 11, 2021 Report
Outstanding value, and service. Vince and Matt did an incredible job achieving the desired outcome. I highly recommend their services. Vince and Matts assistant, Oxana, was very responsive and helpful.
Mon Sharma
Aug 20, 2021 Report
I got myself into legal trouble with the law. I was completely lost and had no idea what to do. I had never been in trouble with the law and this was the most stressful time Ive ever had in my life so far. One of my friends gave me Matt Deshayes information and told me to get a hold of him. The very first meeting I had with Matt, I got a very good inside feeling that I am in good hands. I was stress free when I left the office. Matt handled by case very well and kept me updated for every step. My chargers were dropped a day prior to my trail. I would highly recommend Matt D. for any criminal