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Neil Panchal Law
“The best in the business was available at my first phone call and gave me the best advice on too move forward with the proceedings.”
Best Immigration Lawyers in Ontario, CA
15 firms listed · 9 in Ontario · 2 open 24/7 · 8 open weekends · 12 rated 4.5+
Data verified October 16, 2026
Shaw 3 Law Firm
“San Bernardino county is notorious for making it hard on parents to get their kids back, but with his experience in San Bernardino and the surrounding counties he was able to get the job done.”
Vista Legal Services
“The entire process was conducted with utmost professionalism and efficiency, resulting in a swift resolution within less than two years.”
Rancho Law Group With Javier Palma
“He is very knowledgeable and gave me an advice about my situation.”
United We Can Immigration
“All of our questions were answered in a professional manner and we had our issue resolved.”
Kostiv & Associates
“Good law firm, they helped me a lot in my immigration case.”
These 15 firms listed for Ontario, CA handle immigration matters for people and employers. What each states about case types, accreditation and languages spoken comes from its own website; ratings and quotes come from public reviews.
Area overview: Ontario, CA
9 of the 15 firms we list are based in Ontario; the other 6 serve Ontario from Rancho Cucamonga (6 mi), Upland (6 mi) and Pomona (9 mi). 14 of the firms on this page have a rating, from 4.2 to 5.0 across 989 reviews; 12 have 50 or more reviews and 12 are rated 4.5 or higher. The topics that come up most in reviews of the firms on this page are "attention to detail", "knowledge" and "results". 2 are open around the clock; 8 are open on Saturdays and 3 on Sundays. 1 shows a license on its website and 2 have a BBB rating of A or A+. Domain records put 8 websites of the firms on this page at ten or more years old; the oldest dates from 1997. 2 offer urgent consultations; 3 offer a free initial consultation and 1 lists coupons or special offers. 2 have Spanish-speaking staff. We have a website on file for 13 of the firms on this page; 8 publish a contact page; 8 list a public email and 2 take bookings online. 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.
Can I book a consultation online with immigration firms listed for Ontario?
2 of the 15 immigration firms here take bookings on their own site. It suits this work, since a first consultation is usually a paid assessment of your options rather than a sales call. Check what the slot costs and how long it runs before you reserve one.
Paragon Law Firm - Immigration Lawyer
“From the moment I reached out to her office, she was very professional, responsive, and incredibly helpful throughout the entire process.”
Eagle TAX & Notary Public Services
“Will definitely recommend this place and will becoming here for as long as there's taxes to file.”
Law Office Of Jennifer Gandara
Burga Law Firm
“Very competent and professional, extremely glad I hired Burga to handle my case.”
Law Offices of Fernando J Bernheim
“Every case is different and their office answered all my questions when I had different scenarios running through my head and I am forever thankful to their office.”
Green Card Lawyer Theodore Huang Serving Inland Empire
“If you need someone truly in your corner, someone who will guide you, advocate for you, and stay with you from beginning to end, then Ted is the person you want by your side.”
Zamora Services #1 Taxes & Immigration
“Good service, I made my electronic record there and it arrived very quickly.”
Chung & Ignacio
“She was very responsive and prompt and went the extra mile to be at the hearings in person (vs via court call) despite opposing counsel being ridiculous and no showing several times.”
Law Office Of Monica V. Marroquin
“Excellent customer service, the lawyer and her collaborators are super friendly and professional, it is worth consulting and working with them on everything related to Immigration!”
Why these companies made our list
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