CPA Accounting & Tax
“She is professional and organized and I highly recommend using her services to do your taxes.”
Best QuickBooks Consulting & Training in Ajax, ON
15 firms listed · 8 in Ajax · 5 open weekends · 11 rated 4.5+
Data verified October 18, 2026
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Kevin L. Derbyshire, CPA
“Incorporation went smoothly, and Kevin was instrumental in getting everything done right, on time!”
Grant Johnston AND Associates Inc.
“They have a remarkable ability to engage effectively with a diverse range of personalities, including those who may be more traditional or set in their ways—a testament to their patience, diplomacy, and strong interpersonal skills”
Kallem Associates
“He's always available to answer questions, and his seamless approach to gathering documents makes the whole process stress-free.”
Accountax
“We have been with Accountax Ajax for many years and recommend him highly.”
Indie Bookkeeping
The 15 firms listed for Ajax, ON configure, clean up and teach accounting software for businesses. Details about certifications and platforms come from each firm's own website; ratings and quotes come from public reviews.
Area overview: Ajax, ON
8 of the 15 firms we list are based in Ajax; the other 7 serve Ajax from towns including Pickering (5 km), Scarborough (18 km) and Oshawa (16 km). 13 of the firms on this page have a rating, from 4.2 to 5.0 across 1,231 reviews; 7 have 50 or more reviews and 11 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "communication", "efficient" and "price". 5 are open on Saturdays and 2 on Sundays. The services the firms on this page list most often on their websites are accounting & bookkeeping (2), bookkeeping (2), payroll (2) and personal & corporate tax (2). Domain records put 2 websites of the firms on this page at ten or more years old; the oldest dates from 2012. 1 offers remote or virtual consultations; 2 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for 14 of the firms on this page; 13 publish a contact page; 10 list a public email and 4 take 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.
Why are software consultants outside Ajax listed here?
Ajax itself accounts for 8 of the 15 firms. The remainder sit within 20 km. Since the work is done remotely, sales tax knowledge for your province matters far more than the drive. Distances are straight-line.
TLH Accounting
“Tracy is very experience accountant and always give the right advice.”
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Minerva H. Garcia Accounting & Tax Services
Easy Taxes & Accounting
“He had the deceased family's return completed in a very short time with all the papers we had for him, even though I had questions on the process and he had questions for me.”
Capital Accounting and Tax Professional Corporation
“They have always filed my taxes quickly and accurately for both personal and my small business.”
Kssp Partners
“I have nothing but an amazing experience every time I reach out or have any questions.”
Lotus Accounting Professional Corporation
“Informed me of everything I had no knowledge of, straight forward quick and informative would 100% reccomend!”
YBL Accounting Services
“They are always ready to answer any questions or concerns we may have and also provide us with valuable advice for our retirement strategies!”
Perfect Bookkeepers and Tax Consultants
“They were able to schedule me in at the last minute so that I could have my income tax in by the submission deadline.”
Titanium HQ - the Tax and Finance Experts
“They make the tax season stress free and I know they'll always work with me to do what's best for me.”
Why these companies made our list
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