Direct answer & research summary
Keller and Heckman is a international-footprint law firm mapped by Sartori & Partners across 5 offices in 3 countries, headcount band 50–100 attorneys, Sartori Firm Index 29.1, 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
Washington, US
Professionals
50–100 attorneys banded
Countries covered
3 via 5 offices
Office footprint — mapped metros
5 offices · 3 countriesPrincipal practices
Bold chips mark the firm’s deepest mapped practices (major or strong).
Seniority mix — banded, fee earners
≈50 partners · 15 counsel · 40+ 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 2 of 329.1
Composite SFI
SFI sub-index · banded
39.6
Scale
SFI sub-index · banded
14.2
Reach
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.
1 listings · Atlas tiers apply only within their own market or practice
| Listing | Type | Tier | |
|---|---|---|---|
| Best law firms in Denver | Atlas ranking | Notable in this field | → |
03 — Sources & verification Last verified 22 Jul 2026 · next review by 22 Aug 2026 · change log
Public sources
- 1 Office Locations | Keller and Heckmanfirm_website · 2026-07-22
- 2 Office Locations | Keller and Heckmanfirm_website · 2026-07-22
- 3 Office Locations | Keller and Heckmanfirm_website · 2026-07-22
- 4 Brussels | Keller and Heckmanfirm_website · 2026-07-22
- 5 Office Locations | Keller and Heckmanfirm_website · 2026-07-22
- 6 San Francisco | Keller and Heckmanfirm_website · 2026-07-22
- 7 Office Locations | Keller and Heckmanfirm_website · 2026-07-22
- 8 Boulder | Keller and Heckmanfirm_website · 2026-07-22
- 9 Our Firm | Keller and Heckmanfirm_website · 2026-07-22
- 10 Our Firm | Keller and Heckmanfirm_website · 2026-07-22
- 11 California's Proposition 65 | Keller and Heckmanfirm_website · 2026-07-22
- 12 Navigating TSCA: Basics and Beyond 2026 | Keller and Heckmanfirm_website · 2026-07-22
- 13 Navigating TSCA: Basics and Beyond 2026 | Keller and Heckmanfirm_website · 2026-07-22
- 14 2026 EU Food Packaging Law Seminar and Sustainability Day | Keller and Heckmanfirm_website · 2026-07-22
- 15 Partner Sophie Castillo to Present at the 2026 Prop. 65 Clearinghouse Annual Conference | Keller and Heckmanfirm_website · 2026-07-22
- 16 The Best Lawyers in America® Recognizes Keller and Heckman Attorneys in 2026 Edition | Keller and Heckmanfirm_website · 2026-07-22
- 17 Communications and Technology Alert: D2D Satellite Connectivity for Unlicensed Devices; National Cap Rule Report and Order; Seventh Circuit TCPA Ruling; Lifeline-Exempt Counties [Vol. XXIII, Issue 29] | Keller and Heckmanfirm_website · 2026-07-22
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 →Keller and Heckman 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.