Expert Criminal Defence
Lawyer in Mississauga, ON

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A Trusted Criminal Defence Law Firm in Mississauga with Decades of Experience, Innovative Legal Strategies, and Tireless Dedication to Every Client.

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WELCOME TO CSN LAW PC

Mississauga Criminal Defence Law Firm

For most people, going to court is life-changing. Many don’t know their rights and feel powerless, as if their future rests in the hands of an uncaring government system.

At CSN Law Professional Corporation, criminal charges don’t scare us, and they shouldn’t scare you either. DUI, assault, theft, drug possession, fraud, no matter the allegation, we build smart, aggressive defences that protect your freedom and your future. If you are struggling to find an experienced criminal defence lawyer in Mississauga, we can be your trusted ally.

Led by Mr. Channdeep Nagi, a highly educated and courtroom-tested criminal lawyer, CSN Law stands for client-first defence. We start by understanding your situation and hearing your side of the story. Then, we explain each step in clear, simple terms, giving you the confidence and clarity to move forward with the action plan.

Criminal lawyer reviewing legal documents
REAL STORIES. REAL RESULTS.

Recommended by Clients Across Ontario

Channdeep Singh Nagi, Criminal Lawyer in Mississauga

CHANNDEEP S. NAGI

“When you put your trust in me, I take that responsibility seriously. I will stand with you, fight for you, and never lose sight of what matters most — your defence.”

Meet Mr. Nagi - Your Trusted Criminal Defence Lawyer

Every case is personal when your name is in the line. At CSN Law, you are not just a file number; you are a real person with a future worth protecting. Leading your defence is Mr. Channdeep Nagi, a highly credentialed and results-driven Punjabi criminal lawyer based in Mississauga.

After articling with a former Crown prosecutor at a distinguished Durham defence firm, he was called to the Ontario Bar in 2021.

Since then, Mr. Nagi has been presenting cases and attending courtroom sessions across Ontario. His competency as a criminal lawyer is evidenced by his wins over 80 charges, including serious criminal accusations. His humble personality and genuine empathy for clients, blended with strong strategy, help him build strong relationships with the people he works with. If a top-rated criminal lawyer near me is what you are after, we have got the expertise and local presence to back it up.

TRAINED BY EXPERTS. TRUSTED BY CLIENTS.

His Journey in Criminal Defence


Mr. Nagi began his legal career articling at a respected criminal defence firm in Durham Region under seasoned litigators, including a former Crown prosecutor. Since his call to the Ontario Bar, he has:

  • Represented clients at multiple levels of Ontario courts
  • Defended complex criminal and DUI matters across the GTA
  • Built a reputation for thorough preparation and strategic litigation
  • Navigated legal loopholes in roadside testing, unlawful stops, and procedural errors

What he learned in the classroom now drives how he defends in court. CSN Law uses that foundation to craft solid, real-world strategies that work when it matters most.

OUR RESULTS SPEAK FOR THEMSELVES

At CSN Law Professional Corporation, our reputation is built on proven expertise, relentless advocacy, and client-focused results across Ontario.

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Why Choose CSN Law for Your Criminal Defence?


When you are facing a criminal charge, it’s not just your case that’s on the line; it’s your job, your reputation, your freedom, and your future. Here’s how our criminal law firm in Mississauga helps:

Proven Track Record of Success

We have helped clients avoid jail time, get charges withdrawn, and walk away with their records and dignity intact. Results matter, and we deliver them.

Expert Legal Support

With years of experience navigating Ontario’s criminal courts, Mr. Channdeep Nagi brings a depth of legal knowledge and courtroom instinct that guides every step of your defence.

Strategic & Discreet Defence

Every case is unique. Our reputable criminal lawyers in Mississauga, ON, build thoughtful strategies tailored to your situation, while handling your matter with the privacy and discretion it deserves.

Skilled Negotiators & Trial Lawyers

We’re not afraid to fight in court, but we also know when to negotiate behind the scenes to get you the best possible outcome, faster and with less stress.

Personalized Legal Representation

Every charge is different, and so is every client. A first-time DUI doesn’t look like a domestic assault case, and a fraud investigation isn’t handled the same as a drug possession charge. We tailor your defence to the facts, the evidence, and what’s at stake for your future.

Deep Knowledge of Ontario’s Legal System

From Mississauga to Brampton and beyond, we understand how local judges, prosecutors, and court systems operate, and we use that insight to your advantage.

Transparent & Compassionate Counsel

You won’t be left wondering what’s happening with your case. Our Criminal attorney in Mississauga keeps communication open and honest, explains your options clearly, and makes sure you feel supported through every stage.
Trusted criminal defence lawyer consultation in Mississauga

Courtroom Experience That Counts- Practice areas

AT CSN Law, we handle every file with focus, discretion, and respect. We understand that behind every charge is a real person with a lot on the line. That’s why our top criminal lawyers in Mississauga show up with clarity, strategy, and zero judgment because your future deserves more than just a legal defence.

Other Practice Areas

Notary Services

Certified services for everything from affidavits to business forms.

Tribunals and Administrative Law

We stand by you in hearings that impact your rights or reputation.

Pardon Applications

We help wipe the slate clean so your past doesn’t hold you back.

Highway Traffic Act Offences

One ticket can cost you more than money. We help you fight it.

Destructions of Finger Prints

We assist with destroying outdated police records tied to your name.

Guiding You To The Right Solutions

When experience matters, trust a criminal lawyer Mississauga clients rely on.

How We Defend You – Our Process

With a strong reputation for Criminal defence in Mississauga, we commit to defending your rights vigorously. Here’s exactly what to expect when you work with us:

  • Step 1
  • Step 2
  • Step 3
  • Step 4
  • Step 5
Free, Confidential Consultation


We offer a free, fully confidential consultation, in-person or virtual. In this session, we’ll listen to your side of the story, explain the legal process, and act fast to preserve key evidence like CCTV footage. You’ll get a clear breakdown of your legal options, possible outcomes, and trial issues that could strengthen your defence.

Case Review & Evidence Breakdown


The next stage involves a thorough review of police reports, surveillance evidence, witness statements, and other relevant materials that usually form part of the 1st party disclosure. Each document is critically examined to identify inconsistencies or Charter breaches that can form the basis of a strong defence.

Strategic Legal Planning

This stage is vital. Our top lawyers navigate negotiations for diversion, withdrawal, or reduced charges. If a trial is ahead, we ensure you’re ready with straightforward advice and complete legal clarity.
Courtroom Representation or Resolution


Whether it’s a contested bail hearing, resolution meeting, or trial, we appear on your behalf to fight for the most favourable outcome.

Ongoing Communication


You’ll receive regular updates, copies of all key documents, and personal check-ins. So you are never left guessing about your case.

Criminal defence consultation in Mississauga

Common Legal Situations We Handle

  • DUI Charges
  • Assault Charges
  • Drug Charges
  • Bail Hearing
First DUI Charge Withdrawn - Record Protected

We were contacted by a young professional charged with impaired driving after a night out. Our experienced Mississauga criminal lawyer met with the client immediately, requested full disclosure, and conducted a thorough review. This revealed serious Charter breaches, including violations of the client’s Section 7 right to life and liberty.

We arranged a resolution meeting with the Crown, presented the issues, and advocated strongly for a withdrawal. Despite aggravating factors, the charge was withdrawn. The client’s record remained clean, with no impact on employment or future opportunities.

Teen Assault Charge Diverted – No Record, No Academic Fallout

A teenager was charged with assault following a schoolyard fight. Our team acted quickly, engaging with the Crown to discuss mitigating factors and demonstrate that the evidence did not establish our client as a party to the offence.

Through focused negotiations, we secured a diversion of the matter outside the court system. All charges were dropped, and our client avoided a criminal record or any academic consequences, giving him a second chance.

Drug Charges Dismissed After Illegal Search

A single father was pulled over for a minor traffic infraction and later charged with drug possession. We challenged the legality of the stop, uncovered a Charter breach, and successfully had the evidence excluded.

With the key evidence thrown out, the case was dismissed. Our client returned home to his children with his record and his future fully protected.

Bail Secured for Charges

From the moment you're charged, you only have 24 hours before you make your first appearance in court. We stand by you and advise on constitutional rights at every stage of criminal proceedings. The first step is crucial, as it determines your release terms while awaiting trial. If bail is denied, we will appeal for a bail review, challenging the decision and advocating for your release.

Your Criminal Defence Questions Answered

What should I do if I’m arrested in Mississauga?

Stay calm, don’t resist, and ask to speak to a lawyer right away. You have the right to remain silent; use it. Don’t answer police questions until you’ve had legal advice.

How much does a criminal defence lawyer cost?

Costs vary depending on the complexity of your case. Our top-rated criminal lawyer offers flexible payment options and clear estimates upfront.

Can a criminal lawyer get charges dropped in Ontario?

Yes, in many cases. We often work to have charges withdrawn or reduced early through negotiation or by challenging weak evidence.

What happens at the first court appearance in a criminal case?

Your first appearance isn’t a trial. It’s mostly procedural. We’ll review disclosure, set timelines, and begin planning your defence.

Do I need a lawyer if it’s my first offence?

Absolutely. A first offence can still lead to a criminal record. A good criminal lawyer in Mississauga helps protect your future and may keep your record clean.

What types of criminal cases do you handle?

Our firm represents clients in a wide range of cases, including DUI and impaired driving charges, Assault and violent offences, Theft and property crimes, and much more. We work to protect your rights and build the strongest defence possible.

How long does a criminal case take in Mississauga?

It depends. Some cases resolve in weeks, others may take months. We keep you informed at every step.

Will a criminal conviction affect my job or immigration status?

Yes, it could. A conviction may impact your employment, travel, or immigration. That’s why a strong defence is so important.

What’s the difference between summary & indictable offences?

Summary offences are less serious and carry lighter penalties. Indictable offences are more serious and involve longer court processes.

What languages does your law office support?

Our firm proudly represents clients in various languages. Preferred languages include English, Hindi, Urdu, and Punjabi. Mr. Nagi believes legal advice should be clear and accessible. Language should never be a barrier to understanding your rights.

Can I speak to a lawyer immediately after being arrested?

Yes. You have the right to speak to a lawyer right away, and you should.

What is the penalty for a DUI in Ontario?

Penalties can include fines, licence suspension, mandatory programs, and even jail time, especially for repeat offences.

What are my rights during a police search or questioning?

You have the right to remain silent and the right to a lawyer. You don’t have to consent to a search without a warrant.

How does bail work in Mississauga criminal courts?

Bail hearings determine if you’ll be released while awaiting trial. Our Mississauga criminal lawyer acts fast to secure your release with strong conditions.

Can you help if I’ve been falsely accused?

Yes. False accusations happen, and we take them seriously. We work to clear your name and protect your reputation via all legal possibilities.

Do you offer free consultations?

Yes. Your first consultation is always free. We'll explain your options and help you understand your next steps.

Connect With a Top Criminal Lawyer in Mississauga

When you are accused of a crime, every minute matters. Let’s protect your rights from day one. The right legal strategy starts with a simple conversation.