Criminal Defence · Family · Employment · Wills & Estates · Civil Disputes · Appeals

Experience • Integrity • Results




Born and raised in Timmins, Ontario, David’s path to becoming a trial lawyer was forged when he began playing guitar as a young boy. His passion for performance carried him through his undergrad and Master’s, earning him two degrees in music. His love of people and performing guided him to the University of Ottawa where he earned a Juris Doctor degree, followed by his Call to the Ontario Bar. David is known for his compassion, approachability and his zealous advocacy in the courtroom.


Best Business in Canada 2021-2022

Best Business in Canada award
David Protomanni certificate of excellence 2022
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Over 60 years of combined experience.
Criminal Defence · Family · Employment · Wills & Estates · Civil Disputes · Appeals

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St. Catharines

43 Church St, Suite 303, St. Catharines, Ontario L2R7E1


25 Main Street West, Suite 1600 Hamilton, ON L8P 1H6

Our Testimonials

What Our Clients Say About Us

I retained the services of David Protomanni recently and I can't say enough positive words about this law firm. When you hire David, you get the entire team working on your matter. The communication is outstanding. Emails are always addressed right away. Fees are excellent. He is knowledgeable, and such a nice guy. No other lawyer like him around. If I could rate this firm 10 stars, I would.
An unfortunate thing happened to me and I knew I needed help. After calling several lawyers, I decided to contact Mr. Protomanni after reviewing all the success, high-rating and positive comments. They worked on my case and the outcome proved their hard work. I highly recommend this law firm if you need any kind of help.
He is a caring compassionate man. He is not judgemental, compassionate, and works so hard for his clients. Clients always come first. Hes professional and reliable when you need him, he is always there. He went above and beyond for me and Im happy hes out there to help others. This is who you want in your corner.

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Free Consultations

We offer a free initial consultation to give you an opportunity to provide us with the details of your case so we can guide you appropriately and offer you the most cost-effective payment options for you to consider when retaining our services.

Legal Aid Accepted, For Criminal Law Matters

Payment plans may be arranged in some circumstances.