CPA Accounting & Tax
- Tax Return
24 firms listed · 13 in Ajax · 12 open weekends · 21 rated 4.5+
Data verified October 18, 2026
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.

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.
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.