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The busiest immigration law firms in Massachusetts

Ranked by the PERM and H-1B cases DOL decided with each firm named, from DOL's own files. Each firm links to its full record.

PERM labor certifications, FY2025

October 2024 to September 2025, counted where the job is.

The busiest firm

389

Ruby Law Group LLC

PERM decisions naming a firm

4,632

Law firms that filed them

463

Naming no law firm

178

The employer filed it itself

  • The ten busiest firms 2,052 (43%)
  • Every other firm 2,580 (54%)
  • No law firm named 178 (4%)
  1. 1 Ruby Law Group LLC

    4 employers, 100% certified, 3rd the year before

    389
  2. 2 FRAGOMEN, DEL REY, BERNSEN & LOEWY, LLP

    127 employers, over 99% certified, 1st the year before

    384
  3. 3 Seyfarth Shaw LLP

    30 employers, over 99% certified, 2nd the year before

    319
  4. 4 Ogletree, Deakins, Nash, Smoak & Stewart, P.C.

    38 employers, 100% certified, 5th the year before

    196
  5. 5 Berry Appleman & Leiden LLP

    36 employers, 99% certified, 4th the year before

    162
  6. 6 Jackson Lewis P.C.

    32 employers, 99% certified, 6th the year before

    160
  7. 7 Corporate Immigration Partners, P.C.

    43 employers, 100% certified, 49th the year before

    155
  8. 8 Randstad Digital, LLC

    1 employer, 100% certified, no filings the year before

    113
  9. 9 Clark Lau LLC

    30 employers, 100% certified, 17th the year before

    94
  10. 10 Iandoli Desai & Cronin P.C.

    45 employers, 100% certified, 13th the year before

    80
  11. 11 DUANE MORRIS LLP

    7 employers, 100% certified, 30th the year before

    72
  12. 12 Zulkie Partners LLC

    6 employers, 100% certified, 16th the year before

    64
  13. 13 Wolfsdorf Rosenthal, LLP (WR Immigration)

    12 employers, 100% certified, 14th the year before

    61
  14. 14 Curran, Berger & Kludt

    17 employers, 100% certified, 11th the year before

    58
  15. 15 Carter Law Group, LLC

    2 employers, 100% certified, 41st the year before

    55
  16. 16 Mintz

    24 employers, 100% certified, 52nd the year before

    54
  17. 17 Vialto Partners LLP

    3 employers, 100% certified, 20th the year before

    53
  18. 18 International Legal and Business Services Group, LLP

    6 employers, 100% certified, 10th the year before

    52
  19. 19 Fletcher Tilton P.C.

    2 employers, 100% certified, 9th the year before

    51
  20. 20 Wolfsdorf Rosenthal LLP

    26 employers, 100% certified, 22nd the year before

    46
  21. 21 EY Law LLP

    12 employers, 100% certified, 27th the year before

    43
  22. 22 Hunton Andrews Kurth LLP

    12 employers, 100% certified, 31st the year before

    40
  23. 23 Parker Gallini LLP

    24 employers, 94% certified, 18th the year before

    40
  24. 24 Peters Immigration Law, PC

    19 employers, 100% certified, 21st the year before

    39
  25. 25 Ross Silverman Snyder Tietjen LLP

    16 employers, 100% certified, 29th the year before

    39

The 25 busiest firms' cases waited about the same: a median of 466 to 505 days from filing to certification. Tap or hover over a firm for its own.

Ranks 26 to 100

H-1B labor condition applications, FY2025

October 2024 to September 2025, counted where the job is.

The busiest firm

1,987

Berry Appleman & Leiden LLP

Certified H-1B LCAs naming a firm

14,747

Law firms that filed them

827

Naming no law firm

4,021

The employer filed it itself

  • The ten busiest firms 7,154 (38%)
  • Every other firm 7,593 (40%)
  • No law firm named 4,021 (21%)
  1. 1 Berry Appleman & Leiden LLP

    3,087 positions for 148 employers, 2nd the year before

    1,987
  2. 2 FRAGOMEN, DEL REY, BERNSEN & LOEWY, LLP

    3,221 positions for 321 employers, 1st the year before

    1,963
  3. 3 Ogletree, Deakins, Nash, Smoak & Stewart, P.C.

    680 positions for 108 employers, 4th the year before

    680
  4. 4 Corporate Immigration Partners, P.C.

    507 positions for 138 employers, 5th the year before

    504
  5. 5 EY Law LLP

    446 positions for 18 employers, 6th the year before

    446
  6. 6 Wolfsdorf Rosenthal, LLP (WR Immigration)

    383 positions for 29 employers, 7th the year before

    383
  7. 7 Iandoli Desai & Cronin P.C.

    363 positions for 117 employers, 9th the year before

    363
  8. 8 Seyfarth Shaw LLP

    288 positions for 36 employers, 3rd the year before

    288
  9. 9 Jackson Lewis P.C.

    274 positions for 79 employers, 10th the year before

    274
  10. 10 Clark Lau LLC

    266 positions for 81 employers, 8th the year before

    266
  11. 11 Erickson Immigration Group

    287 positions for 19 employers, 11th the year before

    249
  12. 12 Mintz

    249 positions for 55 employers, 13th the year before

    249
  13. 13 Wolfsdorf Rosenthal LLP

    232 positions for 77 employers, 12th the year before

    232
  14. 14 DUANE MORRIS LLP

    202 positions for 16 employers, 24th the year before

    199
  15. 15 Hunton Andrews Kurth LLP

    187 positions for 18 employers, 19th the year before

    187
  16. 16 Gibney, Anthony & Flaherty LLP

    150 positions for 9 employers, 18th the year before

    150
  17. 17 Parker Gallini LLP

    148 positions for 44 employers, 15th the year before

    148
  18. 18 Goldman & Partners Immigration Law, LLP

    145 positions for 64 employers, 20th the year before

    145
  19. 19 Zulkie Partners LLC

    136 positions for 8 employers, 16th the year before

    136
  20. 20 Green and Spiegel, LLC

    129 positions for 32 employers, 77th the year before

    129
  21. 21 Greenberg Traurig, LLP

    129 positions for 24 employers, 21st the year before

    129
  22. 22 Ross Silverman Snyder Tietjen LLP

    132 positions for 32 employers, 22nd the year before

    127
  23. 23 Peters Immigration Law, PC

    113 positions for 42 employers, 14th the year before

    113
  24. 24 Trupti N. Patel & Associates

    110 positions for 17 employers, 26th the year before

    110
  25. 25 LAW OFFICE OF THOMAS V. ALLEN, PLLC.

    98 positions for 58 employers, 23rd the year before

    98
Ranks 26 to 100

By state

FAQs

How are the firms ranked?
By how many cases DOL decided with the firm named on them, in one fiscal year (October to September). PERM counts every decision, certified, denied or withdrawn; H-1B counts certified LCAs for the H-1B class. Each firm's spellings in DOL's files count as one firm.
Is a busier firm a better firm?
No. The rankings show how much each firm filed, how its PERM cases ended and how long they took. They say nothing about service, price or fit, and a smaller firm may suit a case better. Nothing here is a rating.
Why does a state's ranking differ from the country's?
A state's ranking counts only the cases for jobs in that state, so a national firm ranks by the work it files there. A firm's own page shows all of its filings.
Why are individual attorneys not listed?
DOL's files name the law firm, and this site names firms only. Each firm's page lists its filings, employers and outcomes.
How these are counted

Case data: DOL quarterly disclosure files (flag.dol.gov) · data through Jun 30, 2026 · quarterly

LCA disclosures has not refreshed in 121 days. It should update quarterly, so the figures below are the last ones that arrived rather than the current ones. Source: DOL quarterly LCA disclosure files (www.dol.gov) · data through Jun 30, 2026.

How these figures are counted. Spotted an error? Tell us; every fix is dated in the corrections log.

What each source includes
Cite this page

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It's on your ETA-9089 receipt. It goes into the page's address, so you can bookmark the result.

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