Best Chartered Professional Accountants in Ajax, ON

15 firms listed · 4 in Ajax · 4 open weekends · 14 rated 4.5+

Data verified October 16, 2026

CPA Accounting & Tax

CPA Accounting & Tax

5.0 16 reviews
“Mehak was flawless at her job and she made the whole process of filing my taxes very easy and seamless.”
Since 2001Free consultationFamily-owned
5 Stokes Dr
i
Anna Armata - Chartered Professional Accountant

Anna Armata - Chartered Professional Accountant

5.0 15 reviews
“She is very detailed, organized and answered all my questions professionally and with accuracy.”
Free consultationSince 2012
39 Napiermews Dr
i
Grant Johnston AND Associates Inc.

Grant Johnston AND Associates Inc.

4.2 16 reviews
“Fair rates and has helped us solve our small business and personal tax issues for several years.”
2,500+ clients servedSince 2018
530 Westney Rd S #14
i
Book onlineBook
Kevin L. Derbyshire, CPA

Kevin L. Derbyshire, CPA

5.0 12 reviews
“We are very pleased with Kevin's help over the last few years.”
Prices online
93 Wilce Dr
i
Stratos Accounting & Consulting

Stratos Accounting & Consulting

5.0 67 reviews
“Stratos saved my company from CRA's massive interest and penalty charges by implementing robust bookkeeping and accounting services from day 1 of onboarding their team.”
Free consultationFinancingVirtual consultations
Markham, ON · 18 km from Ajax
i
Kssp Partners

Kssp Partners

5.0 55 reviews
“We appreciate Ketan and Sameer's responsiveness to e-mails, phone calls, and meeting requests.”
3 attorneysVirtual consultationsPrices online
Markham, ON · 18 km from Ajax
i

The 15 firms listed for Ajax, 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: Ajax, ON

4 of the 15 firms we list are based in Ajax; the other 11 serve Ajax from towns including Pickering (5 km), Scarborough (18 km) and Markham (18 km). The firms on this page are rated from 4.2 to 5.0 across 1,095 reviews; 10 have 50 or more reviews and 14 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "communication", "attention to detail" and "knowledge". 4 are open on weekends. The services the firms on this page list most often on their websites are bookkeeping (2), payroll (2) and personal & corporate tax (2). Domain records put 3 websites of the firms on this page at ten or more years old; the oldest dates from 2004. 1 offers remote or virtual consultations; 1 offers payment plans; 6 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for all 15 of the firms on this page; all 15 publish a contact page; 11 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.

Do any accounting firms listed for Ajax offer a free scoping call?

No charge for the first meeting is stated by 6 of the 15 firms. Expect it to cover what level of engagement you need, when the firm could schedule it, and what your records look like now. Bring whatever document created the requirement in the first place.

Diamond Chartered Professional Accountants

Diamond Chartered Professional Accountants

4.9 90 reviews
“Highly recommend it for those who are looking for a great accountant.”
Free consultationResponds within 24 hoursVirtual consultations
Scarborough, ON · 18 km from Ajax
i
Smart Tax and Accounting

Smart Tax and Accounting

5.0 87 reviews
“Urik's expertise and professionalism in the field of income tax & financial matters is exceptional and trustworthy.”
Speaks Russian, Uzbek20+ yearsFree consultation
Scarborough, ON · 18 km from Ajax
i
Lotus Accounting Professional Corporation

Lotus Accounting Professional Corporation

4.8 60 reviews
“I am filing my taxes with Lotus Accounting for the last 4 years and Chandran has been very informative and knowledgeable.”
Since 2015
Scarborough, ON · 18 km from Ajax
i
YBL Accounting Services

YBL Accounting Services

4.7 84 reviews
“Personalized service, efficiency and innovative process!”
Virtual consultations
Oshawa, ON · 16 km from Ajax
i
Book onlineBook
Unified Accounting Services

Unified Accounting Services

5.0 118 reviews
“His patience and extensive knowledge made the tax filing process smooth and stress-free.”
Since 2022
Pickering, ON · 5 km from Ajax
i
Akons Associates

Akons Associates

4.9 51 reviews
“My experience filing taxes with Ajay has always been pleasant and without any worry.”
Since 2001
Pickering, ON · 5 km from Ajax
i
North Brook CPA Professional Corporation

North Brook CPA Professional Corporation

5.0 43 reviews
“She is knowledgeable in all areas of accounting, completes task on time and is always willing to guide you through any inquiries.”
Free phone consultationSince 2021
17 km from Ajax
i
All-Canadian Tax CPA Prof Corp

All-Canadian Tax CPA Prof Corp

5.0 55 reviews
“He also has no issues answering any questions we have during our tax filings.”
Pickering, ON · 5 km from Ajax
i
Titanium HQ - the Tax and Finance Experts

Titanium HQ - the Tax and Finance Experts

4.9 49 reviews
“He sent my tax documents to be signed and I received notice of my refund from CRA within 2 hours!!”
Since 2021
Pickering, ON · 5 km from Ajax
i
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