CIS
- Taxation in the United States
- Pay
- Family
24 firms listed · 10 in Niagara Falls · 4 open weekends · 20 rated 4.5+
Data verified October 18, 2026
The 24 firms listed for Niagara Falls, 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.

10 of the 24 firms we list are based in Niagara Falls; the other 14 serve Niagara Falls from towns including St. Catharines (17 km), Fonthill (14 km) and Thorold (11 km). 22 of the firms on this page have a rating, from 4.0 to 5.0 across 360 reviews; 2 have 50 or more reviews and 20 are rated 4.5 or higher. 4 are open on Saturdays and 2 on Sundays. The services the firms on this page list most often on their websites are accounting services (4), bookkeeping (2), bookkeeping services (2), corporate tax returns (2) and payroll services (2). Domain records put 8 websites of the firms on this page at ten or more years old; the oldest dates from 2000. 5 offer a free initial consultation and 1 is family- or locally-owned. We have a website on file for 21 of the firms on this page; 19 publish a contact page and 16 list a public email. 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.
10 of the 24 firms are in Niagara Falls itself, and the rest come from other towns within 20 km. What matters more than the drive is whether the firm knows your province and your sector. Distances are straight-line.