Best Accountants in Ajax, ON

24 firms listed · 13 in Ajax · 12 open weekends · 21 rated 4.5+

Data verified October 18, 2026

CPA Accounting & Tax

CPA Accounting & Tax

(13)
  • Tax Return
“It was a pleasure working with cpa accounting and tax.”
Family Business
Free Initial Consultation
5 Stokes Dr, Ajax, ON L1Z 1Y2
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Integrity Accounting Services

Integrity Accounting Services

(32)
  • Team
  • Job
  • Family
“I have not worked with Integrity Accounting Services Inc in the past however I was faced with an important question that I needed answered from a chartered accountant and so I called.”
In Business Since 2019
20 Harwood Ave S Unit 1A, Ajax, ON L1S 6N2
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Anna Armata - Chartered Professional Accountant

Anna Armata - Chartered Professional Accountant

(15)
  • Work
“Not only did Anna finish my taxes in a timely manner, but she informed me of everything that my previous accountant did wrong and helped me resolve them by explaining to me with what I should do to avoid those mistakes in the future.”
Free Initial Consultation
In Business Since 2012
39 Napiermews Dr, Ajax, ON L1T 0C9
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Kevin L. Derbyshire, CPA

Kevin L. Derbyshire, CPA

(13)
“We have used Kevin as our accountant for the past 2 years and are very pleased with his work Previously we used a large accounting firm with high fees and not always to our satisfaction.”
Transparent Fees & Pricing
93 Wilce Dr, Ajax, ON L1T 3K3
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Addo CPA Professional Corporation

Addo CPA Professional Corporation

(11)
  • Tax Returns
  • Services
“Even with just a couple of weeks before the tax deadline, he always gets right to work on my documentation, ensuring everything is in order and submitted on time.”
Free Initial Consultation
In Business Since 2020
3 Harwood Ave S, Ajax, ON L1S 2C1
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Grant Johnston AND Associates Inc.

Grant Johnston AND Associates Inc.

(12)
“I thought I would write this review as I find that Grant, Janine and all other staff over at Grant Johnson and associates have been very pleasant to deal with and I find them very quick organized and professional at what they do as a team.”
In Business Since 2018
530 Westney Rd S #14, Ajax, ON L1S 2H7
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The 24 firms listed for Ajax, 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: Ajax, ON

13 of the 24 firms we list are based in Ajax; the other 11 serve Ajax from towns including Scarborough (18 km), Toronto (30 km) and Oshawa (16 km). 21 of the firms on this page have a rating, from 4.7 to 5.0 across 1,679 reviews; 11 have 50 or more reviews. When clients rate these firms on specific qualities, they most often praise professionalism (100%), responsiveness (85%) and value (75%). The topics that come up most in reviews of the firms on this page are "knowledge", "expertise" and "patient". 12 are open on Saturdays and 4 on Sundays. The services the firms on this page list most often on their websites are bookkeeping (5), accounting (4), personal taxes (4), corporate tax returns (3) and payroll (3). Domain records put 3 websites of the firms on this page at ten or more years old; the oldest dates from 2012. 1 offers payment plans; 10 offer a free initial consultation; 3 are family- or locally-owned and 2 list coupons or special offers. 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.

Can I book a consultation online with accounting firms listed for Ajax?

3 of the 24 firms accept booking requests on their websites. A firm without that option usually works by phone or email. Whichever route you take, mention your business type and whether you are incorporated, because it decides who in the firm should be on the call.

Gibson & Graham

Gibson & Graham

(1)
“Always great to work with, and really,really helpful.”
Locally Owned & Operated
467 Westney Rd S #9, Ajax, ON L1S 6V8
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Kallem Associates

Kallem Associates

(4)
“He is very accommodating, professional and knowledgeable person providing right inputs and advice to his clients regarding any CRA related notices & questions.”
In Business Since 2019
27 Mullen Dr, Ajax, ON L1T 2A5
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Quadri and Smith

Quadri and Smith

(2)
“Highly recommend him for your accounting needs.”
Family Business
464 Kingston Rd W, Ajax, ON L1T 3A3
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Accountax

Accountax

(1)
“We have been with Accountax Ajax for many years and recommend him highly.”
In Business Since 2012
1 Rossland Rd W #204, Ajax, ON L1Z 1Z2
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Accounting Solutions Co

Accounting Solutions Co

“Enlisting the services of an accounting firm can offer a multitude of benefits to your business. Not only do they free up your time by taking care of financial management, but they also provide invaluable expert guidance and help you navigate the com...”
In Business Since 2018
835 Westney Rd S, Ajax, ON L1S 3M4
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Minerva H. Garcia Accounting & Tax Services

Minerva H. Garcia Accounting & Tax Services

“Small businesses no longer need to work with a local bookkeeper. The internet and cloud technology makes it easy for bookkeepers to securely access their clients books anytime, anywhere. Business owners can now select a bookkeeper who truly understan...”
In Business Since 2016
70 Howling Crescent, Ajax, ON L1S 7P1
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Impact Bookkeeping Solutions

Impact Bookkeeping Solutions

“Impact Bookkeeping Solutions proudly serves many of Durham Region's small businesses, providing various bookkeeping and year end preparation services. By using a personalized approach, we are able to adapt an effective strategy for managing the accou...”
84 Fearn Crescent, Ajax, ON L1S 5L3
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Instaccountant

Instaccountant

(48)
  • Self Employed
  • Service
  • Business Tax
“Through our online consultations, Murtaza and his team took the time to understand my financial situation thoroughly and provided personalized guidance and advice tailored to my needs.”
Transparent Fees & Pricing
Offers Financing Options
Remote Consultations Available
In Business Since 2018
40 Wynford Dr #304A, Toronto, ON M3C 1J5
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Ontario Tax Services & Accounting Solutions

Ontario Tax Services & Accounting Solutions

(49)
  • Meeting
  • Prices
  • Information
“My husband and I did our personal tax with Umer, he explained very well and it was easy to understand what we needed to know regarding income tax since it was our second year doing it.”
Remote Consultations Available
Free Initial Consultation
Coupons & Offers
In Business Since 2020
2300 Lawrence Ave E #3, Toronto, ON M1P 2R2
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Easy Taxes & Accounting

Easy Taxes & Accounting

(48)
  • Business Tax
  • Questions
  • Efficient
“I do my taxes with Easy Taxes remotely, and it's always very quick, easy, and for a great price.”
Transparent Fees & Pricing
Free Initial Consultation
In Business Since 2018
1050 Simcoe St N Unit 204, Oshawa, ON L1G 4W5
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3K Shami Accounting & Tax Services

3K Shami Accounting & Tax Services

(50)
  • Tax Preparation
  • Family
  • Efficiency
“I wish every accountant or the services he provides are available for people to make one's life easy and feel content once they are done with any services they wish to accomplish at his office.”
Free Initial Consultation
In Business Since 2022
2225 Markham Rd unit 201, Scarborough, ON M1B 2W4
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Diamond CPA - Chartered Professional Accountant

Diamond CPA - Chartered Professional Accountant

(50)
  • Payroll
  • Price
  • Financial
“Goutom was very professional with setting up my corporation as I was short on time to transition from sole proprietor to a more structured business for a large upcoming project.”
Free Initial Consultation
3471 Kingston Road Unit 5, 2nd Floor, Scarborough, ON M1M 1R4
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Kssp Partners

Kssp Partners

(50)
  • Trust
  • Team
  • Communication
“I have relied on KSSP to navigate both my personal and business records for many years and I am extremely satisfied with the professionalism and attention to detail of the KSSP team.”
Transparent Fees & Pricing
5762 Hwy 7 #206, Markham, ON L3P 1A8
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Prime Tax Solutions

Prime Tax Solutions

(49)
  • Understanding
  • Tax Returns
  • Service
“Appointments are not difficult to get, and times are convenient for the customer.”
Coupons & Offers
1448 Lawrence Ave E Unit # 20B, North York, ON M4A 2V6
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MZA CPA Professional Corporation

MZA CPA Professional Corporation

(49)
  • Team
  • Financial Services
  • Kindness
“Excellent service, I didn't know I could avail so much of rebate.”
Free Initial Consultation
60 Danforth Rd Unit 7, Scarborough, ON M1L 3W4
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MA TAX Inc.

MA TAX Inc.

(48)
  • Questions
  • Price
  • Team
“Their attention to detail, professional approach, and client-focused solutions make them a 5-star choice for anyone seeking reliable and efficient tax assistance.”
Free Initial Consultation
Transparent Fees & Pricing
2466 Eglinton Ave E unit 10, Scarborough, ON M1K 5J8
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Nazrul Accounting and Tax Professional Corporation

Nazrul Accounting and Tax Professional Corporation

(47)
  • Preparing
  • Accountant
  • Expertise
“From start to finish, he demonstrated a high level of professionalism, expertise, and dedication to ensuring that my tax filing was done accurately and efficiently.”
Remote Consultations Available
15+ Years Experience
2390 Eglinton Ave E Suite # 227, Scarborough, ON M1K 2P5
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Etaxcan

Etaxcan

(50)
  • Family
  • Tax Filing
  • Accountant
“It was a great experience, I never believe I could get my income tax return without paying money, this is the right place to file your taxes, (guys is free)am so excited Thanks for your service.”
305 Milner Ave Unit #301, Scarborough, ON M1B 3V4
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Accounting Services in Ajax, ON Cost Estimates

Minimum cost
$341
Maximum cost
$3718
National Average
$527
Avg Per Hour Rates
$295
$434
$930
Average price range is based on 257 cost profiles
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Average Cost $527
Minimum cost $341
Maximum cost $3718
Avg Per Hour Rates $295

Average range $434 to $930 is based on 257 cost profiles.

Why these companies made our list

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