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24 companies listed · 9 in Ajax · 12 open weekends · 20 rated 4.5+
Data verified October 18, 2026
The 24 companies listed for Ajax, ON handle day-to-day bookkeeping and sales tax filings for businesses. Details about packages and software come from each company's own website; ratings and quotes come from public reviews.
9 of the 24 companies we list are based in Ajax; the other 15 serve Ajax from towns including Scarborough (18 km), Toronto (30 km) and Oshawa (16 km). 20 of the companies on this page have a rating, from 4.6 to 5.0 across 3,050 reviews; 15 have 50 or more reviews. When clients rate these companies on specific qualities, they most often praise professionalism (95%), responsiveness (75%) and value (70%). The topics that come up most in reviews of the companies on this page are "knowledge", "expertise" and "patient". 12 are open on Saturdays and 5 on Sundays. The services the companies on this page list most often on their websites are bookkeeping (4), payroll (4), accounting (3), accounting & bookkeeping (3) and payroll services (3). 5 have ten or more years of experience, the longest 15 years. 1 offers remote or virtual consultations; 1 offers payment plans; 6 offer a free initial consultation; 1 is family- or locally-owned and 1 lists coupons or special offers. 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.
4 of the 24 companies accept booking requests on their websites. A company without that option usually prefers a call. Mention your software, your transaction volume and whether sales tax and payroll are involved, because those three things drive the quote more than anything else.
