Accountvisor Professional Corporation
“I recommend Justin because he is the best and most helpful, effective, and reliable accountant I have ever met.”
Best Chartered Professional Accountants in Thornhill, ON
24 firms listed · 11 in Thornhill · 3 open 24/7 · 8 open weekends · 21 rated 4.5+
Data verified October 18, 2026
Taraz Chartered Professional Accountants
“Their proactive approach in identifying potential savings and offering tailored solutions showcases their commitment to client success.”
Alpesh Joshi, CPA Cross Border Tax Consultant
“We've used Nine Cross Border Tax Consulting for several years, and they continuously exceed our expectations.”
MKG CPA Professional Corporation
“The staff are professional and courteous, my questions are answered promptly and I feel that I have a representative and a partner who always has my best interest in sight.”
Prasad & Company
“Their attention to detail is outstanding, and they have been invaluable in helping me strategize my plans.”
YSH CPA Professional Corporation 양성호 회계사
“Their professionalism, accuracy, and in-depth knowledge made the entire accounting process smooth and stress-free”
The 24 firms listed for Thornhill, ON provide designated accounting and assurance services. What each says about its designation and engagement types comes from its own website; ratings and quotes come from public reviews.
Area overview: Thornhill, ON
11 of the 24 firms we list are based in Thornhill; the other 13 serve Thornhill from towns including Toronto, Mississauga and Etobicoke. 22 of the firms on this page have a rating, from 3.0 to 5.0 across 1,867 reviews; 15 have 50 or more reviews and 21 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "knowledge", "efficient" and "price". 3 are open around the clock; 8 are open on Saturdays and 5 on Sundays. The services the firms on this page list most often on their websites are accounting services (3), business advisory (2), payroll services (2) and us tax (2). Domain records put 10 websites of the firms on this page at ten or more years old; the oldest dates from 2010. 3 offer urgent consultations; 1 offers remote or virtual consultations; 3 offer payment plans; 11 offer a free initial consultation; 2 are 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 CPA firms listed for Thornhill list their assurance services?
There is a website on file for all 24 firms listed here. Most say whether they perform audits, review engagements, compilations, or only tax and advisory work. That distinction matters more than size when a bank has asked for a particular report.
Anklesaria CPA Professional Corporation
Brij K Sharma Prof Corp. Cpas
“Brij Sharma is a very pleasant and helping professional.”
KPC CPA
Lynxpoint Business Management and Consulting
Rabbi Jono CPA
BBS Accounting CPA
“Helped us get out of a backlog and moving forward has been very responsive and helpful”
Baran Buchler Criminal Defence Lawyers
“They kept me updated every step of the way, and always made time for me to meet when I had any questions or concerns.”
Axil Alliance CPA
“I have been dealing with Axil alliance for last 4 years and pretty much satisfied with their tax planning, business setup and tax filing services.”
Diminno Rizzi Lawyers
“They were patient, attentive, and provided sound advice for a stressful legal matter.”
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Sdg, Chartered Professional Accountant
“Now my go to accountant Sam and team thank you for amazing work !”
SAL Accounting
“Their attention to detail and thorough knowledge of tax laws have made all the difference for our business.”
Filing Taxes | Accountant Toronto
“I really like that I can do it from the comfort of my home all through emails.”
Counttech CPA
“His services were done on the spot and I enjoyed filing ny taxes with Taha.”
SRJ Chartered Professional Accountants
“The partners and their colleagues were very professional and treated my business like their own.”
Hope Springs Fertility Law, Professional Corporation
“I would highly recommend Hope Springs to anyone looking for a team that not only provides professional support but also makes you feel cared for like family”
Accountor CPA Accounting Bookkeeping and Tax Experts
“Their team is very knowledgeable and reliable, making the entire process easy and stress-free.”
Diamond Chartered Professional Accountants
“I really appreciated the services provided by him.”
Stratos Accounting & Consulting
“Emad was quick and efficient in resolving my issues and effective in completing my income taxes and providing other financial benefits!”
Why these companies made our list
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