#1Lewis Rice LLC
Serves this area from St. Louis, MO (18 mi)
Business Immigration Law Firms in St. Clair County, IL
The top-ranked business immigration law firms serving St. Clair County, IL are Lewis Rice LLC, Thompson Coburn LLP and Harris Legal Services LLC. We list 30 business immigration law firms serving St. Clair County, IL. 30 of the providers shown match an active record from U.S. Department of Labor, checked on the date shown. Rankings follow our published methodology; sponsored placements never change rank.
Business Immigration Law Firms serving St. Clair County, IL. 30 providers, 10 of the top 10 verified against federal or state records. Registry records checked on 2026-11-04.
Top 10 ranked business immigration law firms for St. Clair County
#2Thompson Coburn LLP
Serves this area from St. Louis, MO (18 mi)#3Harris Legal Services LLC
Serves this area from Clayton, MO (25 mi)#4Husch Blackwell LLP
Serves this area from Clayton, MO (25 mi)#5Armstrong Teasdale LLP
Serves this area from Clayton, MO (25 mi)#6Law Office of Tony T. Gao
Serves this area from Clayton, MO (25 mi)#7MLO Law LLC
Serves this area from Clayton, MO (25 mi)#8Stinson LLP
Serves this area from Clayton, MO (25 mi)#9Yi Sun and Associates LLC
Serves this area from Clayton, MO (25 mi)#10Tueth, Keeney, Cooper, Mohan & Jackstadt PC
Serves this area from Clayton, MO (26 mi)
20 more providers serving this area
- Barquet Stege PLLC, Clayton, MO (26 mi)
- Hacking Immigration Law LLC, Warson Woods, MO (27 mi)
- American Immigration Law Group LLC, Creve Coeur, MO (33 mi)
- Perficient, Inc., Town and Country, MO (33 mi)
- Becker, Hoerner, & Ysursa, P.C., Belleville, IL
- CG Immigration Law, LLC, St. Louis, MO (18 mi)
- Klasko Immigration Law Partners, LLP, St. Louis, MO (19 mi)
- Law Office of Patavee Vanadilok, P.C., St. Louis, MO (21 mi)
- US Legal Solutions, LLC, Affton, MO (22 mi)
- Lim Law Office, Shrewsbury, MO (24 mi)
- EMC Immigration Law LLC, Maplewood, MO (24 mi)
- MLO Law, LLC, Clayton, MO (25 mi)
- Tueth, Keeney, Cooper, Mohan & Jackstadt PC, Clayton, MO (26 mi)
- Paule, Camazine & Blumenthal PC, Clayton, MO (26 mi)
- Paule, Camazine & Blumenthal, PC, Clayton, MO (26 mi)
- Hacking Immigration Law LLC, Warson Woods, MO (27 mi)
- McMahon Berger P.C., Town and Country, MO (30 mi)
- McMahon Berger, P.C., Town and Country, MO (30 mi)
- Martone Legal, LLC, Creve Coeur, MO (31 mi)
- Law Offices of Pari Sheth, Chesterfield, MO (38 mi)
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Frequently asked questions
How many business immigration law firms serve St. Clair County?
We list 30 business immigration law firms serving St. Clair County, IL: 1 based there and 29 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.
Which business immigration law firms serve St. Clair County?
The top-ranked business immigration law firms serving St. Clair County, IL are Lewis Rice LLC, Thompson Coburn LLP, Harris Legal Services LLC, Husch Blackwell LLP and Armstrong Teasdale LLP. The full ranked list, with the official records each provider matched, is on this page.
Which business immigration law firms serving St. Clair County are verified against official records?
10 of the top 10 match an active official record: Lewis Rice LLC (U.S. Department of Labor), Thompson Coburn LLP (U.S. Department of Labor), Harris Legal Services LLC (U.S. Department of Labor), Husch Blackwell LLP (U.S. Department of Labor) and Armstrong Teasdale LLP (U.S. Department of Labor), and 5 more on this page. Each badge links to the official record it matched.
How are these companies ranked?
By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.
What does "Verified" mean on this page?
"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.
What does an employer file before an H-1B petition?
The employer files a labor condition application with the Department of Labor, then the H-1B petition with USCIS. An immigration attorney can confirm the steps and timing for a specific case.
"Verified" means we matched the provider to an active official record on the date shown. The absence of a badge only means we have not verified that item. How we rank and verify. Page updated .
Communities served
Belleville, O'Fallon, East St. Louis, Cahokia Heights, Fairview Heights, Shiloh, Swansea, Mascoutah, Lebanon, Freeburg, Caseyville, Millstadt, Smithton, Dupo, Washington Park, Fairmont City, New Athens, Marissa, Brooklyn, St. Libory, Lenzburg, East Carondelet, Summerfield, Fayetteville, Sauget, Darmstadt, Floraville, Rentchler, Paderborn