Best Immigration Lawyers & Consultants in Oshawa, ON
20 firms listed · all 20 in Oshawa · 2 open 24/7 · 5 open weekends · 16 rated 4.5+
Data verified October 16, 2026
Calver Immigration Consulting
Marshal Immigration
Smart | Criminal Law
Jacula Law
New Nest Immigration
The 20 firms listed for Oshawa, ON work on immigration files for clients. What each says about permits, sponsorship and permanent residence work comes from its own website; ratings and quotes come from public reviews.

Area overview: Oshawa, ON
All 20 firms we list here are in Oshawa itself. We have 23 firms in Oshawa on file; this page shows the highest-rated 20. The firms on this page are rated from 4.0 to 5.0 across 993 reviews; 6 have 50 or more reviews and 16 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "expertise", "knowledge" and "patient". 2 are open around the clock; 5 are open on Saturdays and 3 on Sundays. 6 have ten or more years of experience, the longest 25 years. 2 offer urgent consultations; 1 offers a free initial consultation and 1 is family- or locally-owned. We have a website on file for 18 of the firms on this page; 16 publish a contact page; 12 list a public email and 2 take 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.
Which immigration firms listed for Oshawa describe their work online?
A website is on file for 18 of the 20 immigration firms listed. Most set out which streams they work in, whether they take refugee files, and which languages the office speaks. Read that before calling, and remember you are reading what the firm chose to publish.