Business Immigration Law Firms in Diamond Bar, CA

The top-ranked business immigration law firms serving Diamond Bar, CA are HT Consultation Corp, Law Office of Carlo Borja and Law Office of Dean H. Kayes, P. C.. We list 600 business immigration law firms serving Diamond Bar, CA. 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 Diamond Bar, CA (Los Angeles County). 600 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 Diamond Bar

Ranked by our published methodology. Sponsored providers are shown separately.
#ProviderVerified recordsBased inPhone
1HT Consultation CorpAttorney or agent of record on 2 certified labor condition applications (FY 2026)
Attorney or agent of record on 1 certified PERM applications (FY 2026)
Diamond Bar, CA(626) 807-7285
2Law Office of Carlo BorjaAttorney or agent of record on 5 certified labor condition applications (FY 2026)
Attorney or agent of record on 2 certified PERM applications (FY 2026)
Diamond Bar, CA(909) 378-0318
3Law Office of Dean H. Kayes, P. C.Attorney or agent of record on 23 certified labor condition applications (FY 2026)
Attorney or agent of record on 3 certified PERM applications (FY 2026)
Diamond Bar, CA(626) 577-9888
4Law Offices of William K. ChangAttorney or agent of record on 8 certified labor condition applications (FY 2026)
Attorney or agent of record on 5 certified PERM applications (FY 2026)
Diamond Bar, CA(626) 376-9498
5Pegasus Law Group PCAttorney or agent of record on 3 certified labor condition applications (FY 2026)
Attorney or agent of record on 2 certified PERM applications (FY 2026)
Diamond Bar, CA(626) 988-4298
6Xipeng Huang Attorney at LawAttorney or agent of record on 1 certified labor condition applications (FY 2026)
Attorney or agent of record on 1 certified PERM applications (FY 2026)
Diamond Bar, CA(909) 843-6482
7Law Offices of Li & AssociatesAttorney or agent of record on 2 certified labor condition applications (FY 2026)
Attorney or agent of record on 3 certified PERM applications (FY 2026)
Rowland Heights, CA (5 mi)(626) 820-9106
8Alex Chen Law Group A P.C.Attorney or agent of record on 11 certified labor condition applications (FY 2026)
Attorney or agent of record on 1 certified PERM applications (FY 2026)
Industry, CA (6 mi)(626) 295-2298
9Law Office Of Caros U. ChoiAttorney or agent of record on 2 certified labor condition applications (FY 2026)
Attorney or agent of record on 5 certified PERM applications (FY 2026)
Industry, CA (6 mi)(626) 839-9040
10Law Offices of Michael J ZhangAttorney or agent of record on 7 certified labor condition applications (FY 2026)
Attorney or agent of record on 1 certified PERM applications (FY 2026)
Industry, CA (6 mi)(626) 810-7572
20 more providers serving this area

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Frequently asked questions

How many business immigration law firms serve Diamond Bar?

We list 600 business immigration law firms serving Diamond Bar, CA: 16 based there and 584 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 Diamond Bar?

The top-ranked business immigration law firms serving Diamond Bar, CA are HT Consultation Corp, Law Office of Carlo Borja, Law Office of Dean H. Kayes, P. C., Law Offices of William K. Chang and Pegasus Law Group PC. The full ranked list, with the official records each provider matched, is on this page.

Which business immigration law firms serving Diamond Bar are verified against official records?

10 of the top 10 match an active official record: HT Consultation Corp (U.S. Department of Labor), Law Office of Carlo Borja (U.S. Department of Labor), Law Office of Dean H. Kayes, P. C. (U.S. Department of Labor), Law Offices of William K. Chang (U.S. Department of Labor) and Pegasus Law Group PC (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 .

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