Mack Lawyers
“From the moment I emailed him, to the end of my process; Jonathan and his team were very informative and quick to respond which automatically made me feel at ease during such a huge purchase.”
Best Business Lawyers in Oshawa, ON
15 firms listed · 9 in Oshawa · 13 rated 4.5+
Data verified October 18, 2026
Birch Law
“If you are looking for a law firm that is going to be in your corner and help you every single step the way for your sale or purchase of your home, this team is for you”
Erik M. Fraser Law Office
“Did what needed to be done effectively both times we have used him.”
Bedrock Law
“There were a few times I was totally lost on what to do but they always saved the day.”
Diamond Fischman & Pushman
“I've used Sheldon and Scott for four real estate transactions and they are such a wonderful team with a very personal approach, especially in a stressful transaction.”
Onley Law Business Lawyers
“Rob was regularly following up during the whole process and made me feel confident that a resolution can be reached.”
The 15 firms listed for Oshawa, ON act for businesses on incorporation, agreements between owners, commercial contracts and sales. Everything a firm says about its practice and its billing is taken from its own website, and ratings come from public reviews.
Area overview: Oshawa, ON
9 of the 15 firms we list are based in Oshawa; the other 6 serve Oshawa from Whitby (8 km), Bowmanville (13 km) and Ajax (16 km). The firms on this page are rated from 4.0 to 5.0 across 581 reviews; 4 have 50 or more reviews and 13 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "communication" and "patient". 5 have ten or more years of experience, the longest 28 years. We have a website on file for 13 of the firms on this page; 10 publish a contact page; 9 list a public email and 1 takes bookings online. We count these figures across the firms on this page; distances are straight-line, and hours and prices change, so confirm the details with the firm before you book a consultation.
Which business law firms listed for Oshawa describe their corporate work online?
A website is on file for 13 of the 15 firms shown for this city. Most corporate pages name the industries the firm serves, the deals it closes and whether it handles financings. Reading two or three of them narrows your shortlist quickly.
Paul McKeever - Employment Lawyer
“He has a simplified approach which makes it easy to comprehend the situation especially if you don't understand legal jargon or have a full knowledge of the system.”
James A. Scott
“Just a straight forward lawyer and very humble personality.”
Boychyn Boychyn
“Needed to get a form notarized, and I was seen within a few hours of my call.”
Strike & Phillips
“Brad was amazing and explained everything to my dad that he needed to know in a plain and simple conversation that was easy to understand for him.”
Asif Anwar ILM Law Office
“Excellent service, very knowledgeable and experienced.”
Jenkins Newman & Shipley Law Professional Corporation
“Sarah has taken the time to answer all of our questions in a timely manner.”
LAW Office of Graciela D. Cubias
“We had a deadline to get some overdue corporate work done fast (I mean FAST) and Graciela understood the urgency of the situation.”
Goodaire Pelgrims
“They always take their time to walk you through the process and ensure you understand what you're signing.”
Carnevale Law Office
“They have provided assistance in numerous business and personal transactions for me.”
Why these companies made our list
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