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MMS Accounting & Bookkeeping Services
“They have always responded quickly to my requests and are always on top of my account needs.”
Best Payroll Services near Ajax, ON
1 of these companies is based in Ajax; the others serve Ajax from towns including Scarborough (18 km), Whitby (8 km) and Oshawa (16 km).
5 open weekends · 14 rated 4.5+
Data verified October 18, 2026
Diamond Chartered Professional Accountants
“Diamond CPA provided me excellent services for my business and personal taxes.”
Easy Taxes & Accounting
“I had a very good experience with filing taxes here.”
Aspire Business Solutions
“Definitely recommend business owners to give this company a call - very quick response.”
Alpha Oasis
“I recomend their service to anyone who is looking for accounting & tax servises.”
Lotus Accounting Professional Corporation
“I have really impressed with his attention to each detail ; Moreover his specification , knowledge and experience will make a big difference.”
The 15 companies listed for Ajax, ON handle pay runs, source deductions and timekeeping for employers. Details about services and software come from each company's own website; ratings and quotes come from public reviews.
Area overview: Ajax, ON
The 15 companies on this page are rated from 4.0 to 5.0 across 2,761 reviews; 11 have 50 or more reviews and 14 are rated 4.5 or higher. The topics that come up most in reviews of the companies on this page are "patient", "knowledge" and "attention to detail". 5 are open on Saturdays and 3 on Sundays. The services the companies on this page list most often on their websites are payroll services (3), accounting (2), accounting & bookkeeping (2), payroll (2) and personal income tax (2). 5 have ten or more years of experience, the longest 24 years. 5 offer a free initial consultation. We have a website on file for all 15 of the companies on this page; 12 publish a contact page; 14 list a public email and 4 take bookings online. We count these figures across the companies on this page; distances are straight-line, and hours and prices change, so confirm the details with the company before you book a consultation.
Which payroll companies listed for Ajax publish service details?
All 15 companies listed here have a website on file. Most say which provinces they file in and which software they run, and that is the detail worth checking if your staff are spread across the country.
Patel Accounting and Taxation
“He has always approached all our doubts and concerns with utmost patience and we always turn to him for sound advice from someone we can trust.”
Adam Taxcraft
“I" liked his service and i really appreciated the time he gave me very approachable and so kind.”
Akons Associates
“Ajay was very prompt and helpful!”
Mak Tax & Accounting Services
“They kept me updated while going through the process of filing my income tax and the turn over time to have my taxes completed was within a timely manner.”
Shami Accounting and Tax Services
“Been using Shami Accounting and Tax Services for over 5 years now and good customer service for the whole 5 years!”
Black & White Accounting Services
“Very fast and so nice people thank you so much for your help ☺️ my son gave his sister chocolate ❤️ thank you again”
Azon Bookkeeping Services
“I'm a new business owner and Benazir has been so patient and helpful, to make sure I have all the right documents and in navigating my business income tax filing + HST returns.”
Speedy Cash & Cell Mart
“The staff is very outstanding & very helpful and they always are smiling 😃”
Your Tax Solutions
“Saudi is the Best, Not only is he Personable and Informative but he's also Friendly and Kind, Not only did he spend 20 minutes breaking down my Complicated Taxes to me page by page (which no other Accountant does) but he also saved me a lot of money on my Tax Return, It was almost Liberating to have an Accountant to take the time out of his day to clear things up to me and also put my mind at ease, Absolutely Fantastic Accountant!!”
Why these companies made our list
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