Stratos Accounting & Consulting
“These guys helped file my business taxes and they we were honestly amazing!”
Best Accountants in Markham, ON
19 firms listed · all 19 in Markham · 8 open weekends · 18 rated 4.5+
Data verified October 21, 2026
Kssp Partners
“Amazing service and the staff were very helpful in getting me a good and fair return.”
Sharptax Consulting
“Very easy and smooth process for filing my tax return, would highly recommend”
Book onlineBook
Grant Matossian, Cga, CFP
“Grant's depth of knowledge and expertise in tax matters reassured us and instilled confidence amidst the chaos, offering solutions with utmost clarity and commitment to our unique circumstances.”
J.F. Chartered Professional Accountant
“I recently moved countries and needed to figure out my tax situation with some property and corporate holdings, Jenny made it easy to manage remotely and took care of everything.”
Nidaan Tax & Accounting Services
“Great, honest and timely service and they guide you with the best advice.”
The 19 firms listed for Markham, ON handle year-end statements, corporate filings and personal returns. Details about sectors and software come from each firm's own website; ratings and quotes come from public reviews.
Area overview: Markham, ON
All 19 firms we list here are in Markham itself. We have 85 firms in Markham on file; this page shows the highest-rated 19. The firms on this page are rated from 4.3 to 5.0 across 694 reviews; 5 have 50 or more reviews and 18 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "efficient", "patient" and "communication". 8 are open on Saturdays and 3 on Sundays. The services the firms on this page list most often on their websites are advisory services (2), audit and assurance (2), bookkeeping services (2), business services (2) and payroll services (2). 5 have ten or more years of experience, the longest 20 years. 1 offers remote or virtual consultations; 1 offers payment plans; 6 offer a free initial consultation and 2 are family- or locally-owned. We have a website on file for all 19 of the firms on this page; 17 publish a contact page; 15 list a public email and 4 take bookings online. 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 accounting firms listed for Markham describe their services online?
All 19 firms listed here have a website on file. Most set out the sectors they work in and the software they support. Read that first, and remember it is the firm's own account rather than anything checked by someone else.
Kreston GTA - Chartered Professional Accountants
“Very thorough and meticulous Firm best in the business as far as I am concerned”
Book onlineBook
Bana Professional Corporation
“Meeting Hassan has been a blessing and we plan to continue this relationship for years.”
Reynolds CPA Professional Corporation
“I am very content with his ability to take care of all our financial matters with great efficiency.”
姚雷特许专业会计师事务所 Daniel Yao CPA Professional Corporation
“He has been helping me with tax for so many years, even tho I have never seen him in person, I trust him as he is very friendly and experienced.”
Tax Doctors Canada
“I like to express my gratitude to Tax Doctors Canada for their great work and support.”
AWK
“I was very pleased with the results that Leo helped to achieve for me with the CRA.”
Applebaum Commisso
“They are very professional and generally very easy to work with.”
Fred Albi, Cpa, Professional Corporation
“You can be rest assured that all of your tax and accounting needs will be well-handled with Fred in your corner.”
Promax Accounting INC
“Violet and her all-superwomen team have streamlined our bookkeeping and aligned our financial goals in record time.”
Fuel Accountants - Profitable Business Builders
“I connected with Peter while looking to implement profit first in my business.”
RNK Professional Corporation
“Ravi is very helpful in legal basement related accounting, his advice has been useful to many home owners and financially befitted them.”
Zoom Business Management
Kraft Berger
“Highly recommend them for people looking for help with accounting for real estate or mortgage businesses.”
Why these companies made our list
What clients say about firms in Markham
- “I highly recommend Nidaan Accounting for their exceptional service and attention to detail.” — client of Nidaan Tax & Accounting Services
- “They are very quick on turn-around of accounting work and always available to discuss and explain it.” — client of Kssp Partners
- “I am very pleased with the service from this accounting firm, from start to finish they demonstrated excellent professionalism and excellent work capabilities.” — client of 姚雷特许专业会计师事务所 Daniel Yao CPA Professional Corporation
- “Nidaan accounting made sure that all our financial records were meticulously maintained and went above and beyond to ensure accuracy.” — client of Nidaan Tax & Accounting Services
Excerpts from public reviews of the firms listed on this page.
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