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8 firms listed · all 8 in Thunder Bay · 1 open weekends · 6 rated 4.5+
Data verified October 16, 2026
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The 8 firms listed for Thunder Bay, 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.

All 8 firms we list here are in Thunder Bay itself. 7 of the firms on this page have a rating, from 4.0 to 5.0 across 37 reviews; 6 are rated 4.5 or higher. 1 is open on weekends. 2 have ten or more years of experience, the longest 19 years. 1 is family- or locally-owned. We have a website on file for 6 of the firms on this page; 6 publish a contact page and 5 list a public email. 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.
6 of the 8 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.