Heather Raso Chartered Professional Accountant
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2 of these firms are based in Thorold; the others serve Thorold from towns including St. Catharines, Niagara Falls and Fonthill.
3 open weekends · 20 rated 4.5+
Data verified October 18, 2026
The 24 firms listed for Thorold, 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.

23 of the 24 firms on this page have a rating, from 4.0 to 5.0 across 423 reviews; 2 have 50 or more reviews and 20 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "communication", "efficient" and "expertise". 3 are open on Saturdays and 1 on Sundays. The services the firms on this page list most often on their websites are accounting services (4), bookkeeping (3), bookkeeping services (2), corporate tax returns (2) and payroll services (2). Domain records put 7 websites of the firms on this page at ten or more years old; the oldest dates from 1995. 1 offers payment plans and 5 offer a free initial consultation. We have a website on file for 23 of the firms on this page; 22 publish a contact page; 17 list a public email and 1 takes bookings online. We count these figures across the firms on this page; hours and prices change, so confirm the details with the firm before you book a consultation.
23 of the 24 firms listed here have a website on file. Most set out the sectors they work in and the software they support. Read that first, and remember it is the firm's own account rather than anything checked by someone else.