Best Business Lawyers in Thornhill, ON

24 firms listed · 10 in Thornhill · 2 open 24/7 · 6 open weekends · 22 rated 4.5+

Data verified October 18, 2026

Ali Ahmari-Moghaddam, Barrister & Solicitor

Ali Ahmari-Moghaddam, Barrister & Solicitor

(49)
  • Team
  • Transaction
  • Legal Services
“The fee for their services was very reasonable and for very fair price that they charge, Mr Ahmari goes beyond what other lawyers do, he would spend extra time to explain all the details and teach about the legal aspects of the documents that you are...”
7191 Yonge St Unit 908, Thornhill, ON L3T 0C4
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Vakili Law Group

Vakili Law Group

(47)
  • Team
  • Work
  • Refinance
“I was out of country during the closing process and we experienced some challenges with the funding from my lender and this could have been an undesirable situation, however the legal team at Vaklili Law Group went the extra mile to ensure my transac...”
In Business Since 2010
7620 Yonge St #200, Thornhill, ON L4J 1V9
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Vista Law

Vista Law

(48)
  • Team
  • Questions
  • Sale
“The team of Jae Park helped us to understand the vocabularies in law unfamiliar with ordinary people, we comfortably met virtually and went through one by one in the contractual documentation with the lawyer and get informed also answered directly du...”
26 Glen Cameron Rd, Thornhill, ON L3T 1N7
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The Law Office of Viktoriya Gryshyna

The Law Office of Viktoriya Gryshyna

(11)
“I've had dealings with many attorneys in my past but have never felt that any of them actually "had my back".”
In Business Since 2011
7191 Yonge St Suite 814, Thornhill, ON L3T 0C4
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Rutman & Rutman Professional Corporation

Rutman & Rutman Professional Corporation

(2)
“I have had my mortgage closing with them, and got my will done with them as well.”
In Business Since 2003
7330 Yonge St, Thornhill, ON L4J 7Y7
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Warren Rumack

Warren Rumack

(4)
“Warren was kind, patient and competent and made sure to really take the time to explain the process, the paperwork and everything in between.”
7330 Yonge St, Thornhill, ON L4J 7Y7
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The 24 firms listed for Thornhill, 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: Thornhill, ON

10 of the 24 firms we list are based in Thornhill; the other 14 serve Thornhill from towns including Toronto, Mississauga and Brampton. The firms on this page are rated from 4.0 to 5.0 across 3,093 reviews; 17 have 50 or more reviews and 22 are rated 4.5 or higher. When clients rate these firms on specific qualities, they most often praise professionalism (94%), responsiveness (89%) and quality (74%). The topics that come up most in reviews of the firms on this page are "communication", "efficient" and "expertise". 2 are open around the clock; 4 are open on Saturdays and 5 on Sundays. The practice areas the firms on this page list most often on their websites are real estate law (5), business law (4), corporate law (4), wills and estates (3) and commercial law (2). 1 shows a licence on its website. 9 have ten or more years of experience, the longest 26 years. 2 offer urgent consultations; 5 offer payment plans; 4 offer a free initial consultation; 1 is family- or locally-owned and 1 lists coupons or special offers. We count these figures across the firms on this page; hours and prices change, so confirm the details with the firm before you book a consultation.

Which business law firms listed for Thornhill describe their corporate work online?

A website is on file for 22 of the 24 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.

CM Shin Law Professional Corporation

CM Shin Law Professional Corporation

(4)
  • Lawyer
“I've been in business with Lawyer Shin and his dedicated staffs for many years and I have utmost confidence about their legal services from the experience I had from real estate trading to employee related consulting, and their customer service along...”
In Business Since 2015
7191 Yonge St #905, Thornhill, ON L4J 1V8
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Berger Law

Berger Law

(6)
“The outcome is exactly what I was hoping for and I would definitely recommend chatting with Jason & Alex if you are looking for a business/corporate lawyer.”
1 Promenade Cir Suite 300G, Thornhill, ON L4J 4P8
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Du Law Professional Corporation

Du Law Professional Corporation

(5)
  • Notary
“The notary service is very professional and the processing efficiency is very high ~ Highly recommended!”
30 Proctor Ave, Thornhill, ON L3T 1M5
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Dewshi LAW Practice

Dewshi LAW Practice

(3)
“I would definitely request services from Dewshi Law in the future, and would absolutely recommend if anyone needs assistance with OMVIC registration matters.”
8500 Leslie St #101, Thornhill, ON L3T 7M8
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B.i.g. Charity Law Group

B.i.g. Charity Law Group

(50)
“It can be quite daunting to do the research but we found this law firm to be very helpful and expeditious with request and assistance was great for remote support emails, and calls across different timezones was aa plus.”
Transparent Fees & Pricing
Remote Consultations Available
Free Initial Consultation
Toronto, ON
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Pace Law Firm

Pace Law Firm

(48)
  • Questions
  • Personal Injury
  • Respect
“First of all I want to thank the entire PaceLaw Firm for everyone's excellent service and especially the lawyer Mark Ruffolo and the lawyer Angela Barrientos, who were with me at all times supporting me in my case and in the end I won and Mark got th...”
In Business Since 2000
Emergency Services
Offers Financing Options
Toronto, ON
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Notary Public & Commissioner of Oaths

Notary Public & Commissioner of Oaths

(50)
  • Efficient
  • Book
  • Call
“Needed university document notarized & sealed stamped.”
In Business Since 2010
Licensed
Emergency Services
Transparent Fees & Pricing
Richmond Hill, ON
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Grigoras Law

Grigoras Law

(49)
  • Matter
  • Email
  • Firm
“Knowing that a legal issue is not one that comes as a black and white matter, Rachelle was quick to answer broad scope questions, without providing actual legal advice, and provided me with basic direction (and clarity on the actual procedures that I...”
In Business Since 2007
Transparent Fees & Pricing
Remote Consultations Available
Offers Financing Options
Toronto, ON
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Zayouna Law Firm

Zayouna Law Firm

(50)
  • Team
  • Job
  • Legal Representation
“Mr Zayouna and his staff are absolutely a pleasure to work with they are extremely caring and trustworthy, and very patient and helpful at explaining everything in detail if your in need of a lawyer dont look any further they are here to help you and...”
In Business Since 2004
Transparent Fees & Pricing
Etobicoke, ON
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Ghabryal Law Professional Corporation

Ghabryal Law Professional Corporation

(50)
  • Team
  • Honest
  • Patient
“Ghabryal as my family lawyer in my divorce and I'm glad that I chose him , the amount of effort and he put in and his involvement in the case is a head turning, his response is quick and his actions are even faster but wise as good as his advise, I ...”
Offers Financing Options
Toronto, ON
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Anton M. Katz, Barrister and Solicitor - Business Lawyer Toronto

Anton M. Katz, Barrister and Solicitor - Business Lawyer Toronto

(49)
  • Work
  • Accountant
  • Small Business
“To my awe and delight Anton on the closing day explain that because the deal was very straightforward, fast and uncomplicated he would not be charging me the full rate he had quoted it would be significantly less.”
Free Initial Consultation
Toronto, ON
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Jahanshahi Law Firm

Jahanshahi Law Firm

(49)
  • Team
  • Attention
  • Communication
“As a realtor, I am very happy with him and would highly recommend this law firm to anyone, whether you're an agent or a buyer/seller, looking for a true professional.”
In Business Since 2017
Transparent Fees & Pricing
Toronto, ON
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Nava Wilson

Nava Wilson

(49)
  • Team
  • Documents
  • House
“The most remarkable thing is , they are not just providing the information in-fact they extending their help/ ideas to meet up those requirements and gives you the confidence that they are there to support in all your immigration process.”
In Business Since 2017
Offers Financing Options
Scarborough, ON
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Lexaltico

Lexaltico

(49)
  • Team
  • Property
  • Matter
“I got introduced to Jia through a friend of friend and she was impeccable at what she has does, she strongly communicated and ensured a very smooth and stress-free process to take me out of the situation, she was upfront and honest and won't fool aro...”
In Business Since 2022
Coupons & Offers
Mississauga, ON
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Levitt DI Lella Duggan & Chaplick

Levitt DI Lella Duggan & Chaplick

(44)
  • Condo
  • AGM
  • Board
“Bradley Chaplick was the lawyer who provided legal services and advice for the implementation of our Electric Vehicle Charging Stations in our condominium, including registering the title on deeds for those owners who opted in to the stations.”
In Business Since 2023
Free Initial Consultation
Family Business
Toronto, ON
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GS Brar Law

GS Brar Law

(48)
  • Team
  • Future
  • Home
“Their meticulous attention to detail, strategic thinking, and ability to anticipate and mitigate risks make them an indispensable asset, ensuring that clients make informed decisions and achieve favorable outcomes in their real estate endeavors.”
In Business Since 2019
Free Initial Consultation
Brampton, ON
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GLG

GLG

(47)
  • Questions
  • Responsive
  • Matter
“David handled our case in a way that we haven't experienced before, where you actually deal with the lawyer rather than with assistants or secretaries and he was available around our schedules even on weekends or holidays.”
In Business Since 2016
Transparent Fees & Pricing
Offers Financing Options
Toronto, ON
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Madaans

Madaans

(47)
  • Team
  • Patience
  • House
“Vikas and his team put an extra effort to meet the deadline for my mortgage and fulfilled all the real estate formalities in a professional and time saving way and also kept me informed at every step Thank you so much !”
Transparent Fees & Pricing
Mississauga, ON
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