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These companies serve Ajax from nearby bases in towns including Scarborough, Toronto and Whitby.
24 companies listed · 15 open weekends · all 24 rated 4.5+
Data verified October 18, 2026
The 24 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.

The 24 companies on this page are rated from 4.6 to 5.0 across 3,223 reviews; 16 have 50 or more reviews. When clients rate these companies on specific qualities, they most often praise professionalism (98%), responsiveness (74%) and quality (68%). The topics that come up most in reviews of the companies on this page are "patient", "knowledge" and "communication". 15 are open on Saturdays and 7 on Sundays. The services the companies on this page list most often on their websites are payroll services (8), accounting (5), accounting & bookkeeping (4), bookkeeping (2) and business advisory (2). 8 have ten or more years of experience, the longest 24 years. 1 offers payment plans; 9 offer a free initial consultation; 1 is family- or locally-owned and 1 lists coupons or special offers. We have a website on file for all 24 of the companies on this page; 22 publish a contact page; 23 list a public email and 3 take bookings online. We count these figures across the companies on this page; hours and prices change, so confirm the details with the company before you book a consultation.
All 24 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.