Direct answer & research summary
Cozen O'Connor is a international-footprint law firm mapped by Sartori & Partners across 26 offices in 2 countries, headcount band 1,000–1,500 attorneys, Sartori Firm Index 49.3, last verified 22 Jul 2026. Sartori & Partners has completed 400+ placements since 2017 (230+ in-house), including 52 general counsel and chief legal officer searches, with a median of 11 weeks from brief to accepted offer. A NASDAQ-listed medtech in Boston accepted its successor general counsel in week 11, from a shortlist of four at day 24.
01 — Public record
Facts on file
Compiled from public sources. Figures are shown as bands where exact counts are not published; nothing here is provided by the firm.
Website
Largest mapped office
Philadelphia, US
Professionals
1,000–1,500 attorneys banded
Countries covered
2 via 26 offices
Office footprint — mapped metros
26 offices · 2 countriesPrincipal practices
Bold chips mark the firm’s deepest mapped practices (major or strong).
Seniority mix — banded, fee earners
≈600 partners · 100 counsel · 350+ associates
Mapped from public bios and firm pages; exact counts are not published, so figures are shown as approximate bands.
Sartori Firm Index — footprint (a different lens from the Atlas tiers)
International · coverage 3 of 349.3
Composite SFI
SFI sub-index · banded
75.7
Scale
SFI sub-index · banded
39.6
Reach
SFI sub-index · banded
3.9
Hiring
SFI sub-index · banded
The Sartori Firm Index measures footprint and momentum (scale · reach · hiring), not practice quality. It never assigns an Atlas tier, and the Atlas never reuses this number — the two lenses are deliberately separate.
02 — Where this firm is ranked
Ranking Atlas & Firm Index
No composite firm score is published. Atlas tiers are assigned per market or practice from public footprint and evidence; the Firm Index leaderboards are a separate footprint lens.
5 listings · Atlas tiers apply only within their own market or practice
| Listing | Type | Tier | |
|---|---|---|---|
| Best law firms in Philadelphia | Atlas ranking | Market leaders | → |
| Best law firms in Pennsylvania | Atlas ranking | Market leaders | → |
| Best law firms in Las Vegas | Atlas ranking | Notable in this field | → |
| Best law firms in Richmond | Atlas ranking | Notable in this field | → |
| Sartori Firm Index — United States | SFI leaderboard | — | → |
03 — Sources & verification Last verified 22 Jul 2026 · next review by 22 Aug 2026 · change log
Public sources
- 1 Cozen O'Connor: Officesfirm_website · 2026-07-21
- 2 Cozen O'Connor: Officesfirm_website · 2026-07-21
- 3 Cozen O'Connor: Officesfirm_website · 2026-07-21
- 4 Cozen O'Connor: Officesfirm_website · 2026-07-21
- 5 Cozen O'Connor: Officesfirm_website · 2026-07-21
- 6 Cozen O'Connor: Officesfirm_website · 2026-07-21
- 7 Cozen O'Connor: Officesfirm_website · 2026-07-21
- 8 Cozen O'Connor: Officesfirm_website · 2026-07-21
- 9 Cozen O'Connor: Officesfirm_website · 2026-07-21
- 10 Cozen O'Connor: Officesfirm_website · 2026-07-21
- 11 Cozen O'Connor: Officesfirm_website · 2026-07-21
- 12 Cozen O'Connor: New Yorkfirm_website · 2026-07-21
- 13 Cozen O'Connor: Washington, D.C.firm_website · 2026-07-21
- 14 Cozen O'Connor: Minneapolisfirm_website · 2026-07-21
- 15 Cozen O'Connor: Miamifirm_website · 2026-07-21
- 16 Cozen O'Connor: Vancouverfirm_website · 2026-07-21
- 17 Cozen O'Connor: Seattlefirm_website · 2026-07-21
- 18 Cozen O'Connor: Los Angelesfirm_website · 2026-07-21
- 19 Cozen O'Connor: Dallasfirm_website · 2026-07-21
- 20 Cozen O'Connor — news & announcementsfirm_website · 2026-07-21
Know the limits of this data
- —Figures are bands, not audited counts; public sources lag reality by weeks or months.
- —Atlas tiers are Sartori’s independent editorial opinion — not the firm’s claim, and not a client-satisfaction measure.
- —No firm-level numeric score exists; Atlas tiers apply only within their own market or practice.
- —No third-party legal-directory band is used as an input.
Corrections from the firm or its representatives are reviewed within five working days.
Change log
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Discuss a mandate →Cozen O'Connor is profiled here independently by Sartori. This page is not affiliated with, endorsed by, or produced in cooperation with the firm; firm names are used for identification only and no logo or brand assets are reproduced. Rankings reflect Sartori’s editorial methodology and public mapping — they are not legal advice, nor a recommendation to instruct counsel.