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Practice × location ranking

Best Commercial Leasing law firms in Chicago

Grouped into editorial tiers — words, never scores. No paid placement and no numeric rank; within a tier the order rotates monthly and carries no meaning.

Last verified 22 Jul 2026 · Next review by 22 Aug 2026 · Change log

Direct answer & research summary

Best Commercial Leasing law firms in Chicago are tiered by Sartori & Partners from public footprint as of July 2026, not from a numeric score: 8 firms sit on this board. 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 — The ranking

The Chicago Commercial Leasing board

Sartori's view of the best Commercial Leasing law firms in Chicago groups 8 firms by relative Commercial Leasing market position in Chicago. Tiers are plain-language labels only — never scores — and within-tier sequence rotates without implying rank.

CHICAGO × COMMERCIAL LEASING8 FIRMS · NO SCORESREV. 2026-07
REFFIRMCHICAGO COMMERCIAL LEASING BANDSIGNAL
TIER 1 — MARKET LEADERS3 FIRMS

This band holds the firms whose Commercial Leasing presence defines the Chicago standard. Labels are editorial words, not scores; monthly order inside the tier carries no meaning.

T1·01 Barack Ferrazzano25–49 attorneys mapped · major local depth 25–49 ATTORNEYS FLAT → EVID ↓
T1·02 Levenfeld Pearlstein25–49 attorneys mapped · major local depth 25–49 ATTORNEYS FLAT → EVID ↓
T1·03 Polsinelli10–24 attorneys mapped · major local depth 10–24 ATTORNEYS FLAT → EVID ↓
TIER 2 — HIGHLY ACTIVE3 FIRMS

Highly active firms show sustained Commercial Leasing mandate flow and visible landlord- and tenant-side bench strength in Chicago, just below the market-leader band. Order inside the tier is non-hierarchical.

T2·01 DLA Piper10–24 attorneys mapped · major local depth 10–24 ATTORNEYS FLAT → EVID ↓
T2·02 Greenberg Traurig10–24 attorneys mapped · major local depth 10–24 ATTORNEYS FLAT → EVID ↓
T2·03 Taft Stettinius & Hollister10–24 attorneys mapped · major local depth 10–24 ATTORNEYS FLAT → EVID ↓
TIER 3 — ESTABLISHED2 FIRMS

Firms in this tier are part of the core Chicago Commercial Leasing map — known, staffed and active on commercial leases — with relative standing expressed only in plain language.

T3·01 Kirkland & Ellis10–24 attorneys mapped · major local depth 10–24 ATTORNEYS FLAT → EVID ↓
T3·02 Quarles & Brady10–24 attorneys mapped · major local depth 10–24 ATTORNEYS FLAT → EVID ↓

All counts are shown as bands, never precise headcounts. Notable firms sit outside the tiers by design: verified minimal presence, not assessed at full tier depth.

Hiring in Chicago?

We map this market every day.

The evidence behind these tiers is the same intelligence we use to run retained searches for partners, groups and senior associates.

02 — Evidence, methodology & sources why each firm · how tiers are set · sources · change log · verified 22 Jul 2026 · next review 22 Aug 2026

Firm evidence

Tier 1 — Market leaders Open firm profile →

Barack Ferrazzano

Barack Ferrazzano is placed in market leaders for Commercial Leasing in Chicago. Public mapping (banded): 25–49 attorneys, major local depth, ≈20 partners · 0 counsel · 10+ associates. Evidence gates — office (G1) PASS, local practice (G2) PASS, recent signal (G3) PASS. The placement carries no numeric score.

Strongest mapped work

Real EstateLitigation & DisputesCorporate & M&A

Public hiring signal

Hiring signal: FLAT — no public hiring change detected in the mapping window.

Limits of this assessment

  • —A tier is Sartori’s editorial opinion, not a fact about the firm or a client-satisfaction measure.
  • —Facts are mapped from public sources and shown as bands; they lag reality by weeks or months.
  • —No third-party legal-directory band is used as an input.

Sources for this entry

Methodology

How tiers are assigned

Deterministic public-footprint core (local depth, practice share, seniority mix, public hiring momentum), computed relative to this market's own distribution. Tier placement is derived from this public mapped data; a per-firm public-source ledger is compiled for firms in the annual research pass and applies to those firms' factual claims, not to tier membership. No third-party legal-directory bands are used as an input.

Market scope

5–9 firms earn a tier in Chicago within this scope (banded).

Disclosures

Firm names used nominatively (factual). All counts shown as bands, never precise headcounts. No firm logos. Report an error via the site contact form.

Sources & change log

  1. 1 Offices | Barack Ferrazzanofirm_website · G1 · 2026-07-22
  2. 2 Barack Ferrazzano — attorney bios & practice pagesfirm_website · G2 · 2026-07-22
  3. 3 Barack Ferrazzano — Chicago news & announcementsfirm_website · G3 · 2026-07-22
  4. 4 Contact us | LPfirm_website · G1 · 2026-07-22
  5. 5 Real Estate Group | LPfirm_website · G2 · 2026-07-22
  6. 6 Corporate Group | LPfirm_website · G2 · 2026-07-22
  7. 7 Financial Services & Restructuring Group | LPfirm_website · G2 · 2026-07-22
  8. 8 Levenfeld Pearlstein — Chicago news & announcementsfirm_website · G3 · 2026-07-22
  9. 9 Offices & Locations | Polsinellifirm_website · G1 · 2026-07-21
  10. 10 Polsinelli Law Firm | Chicago Officefirm_website · G1 · 2026-07-21
  11. 11 Polsinelli — attorney bios & practice pagesfirm_website · G2 · 2026-07-21
  12. 12 Polsinelli Represents Focus on Acquisition and Rebrand of The Buckingham | Polsinellifirm_website · G3 · 2026-07-21
  13. 13 Offices | Taft Lawfirm_website · G1 · 2026-07-21
  14. 14 About | Chicago | Taft Lawfirm_website · G1 · 2026-07-21
  15. 15 About | Chicago | Taft Lawfirm_website · G2 · 2026-07-21
  16. 16 Taft Stettinius & Hollister — Chicago news & announcementsfirm_website · G3 · 2026-07-21
  17. 17 Locations: Quarles Law Firm, Attorneys, Lawyersfirm_website · G1 · 2026-07-21
  18. 18 Quarles & Brady — attorney bios & practice pagesfirm_website · G2 · 2026-07-21
  19. 19 Quarles & Brady — Chicago news & announcementsfirm_website · G3 · 2026-07-21
22 Jul 2026 Scope-aware market-relative core assembled.
22 Jul 2026 19 verified source(s) ingested for the researched firms; tier placement comes from our own market data so unresearched visible firms do not block approval → APPROVED (auto).
Report an error in this ranking →

04 — Questions

About this ranking

Who are the best Commercial Leasing law firms in Chicago?

As of July 2026, the Tier 1 — Market leaders — among the best Commercial Leasing law firms in Chicago are Barack Ferrazzano, Levenfeld Pearlstein, Polsinelli. The full board groups 8 firms into editorial Commercial Leasing tiers expressed in words rather than scores; within a tier order rotates monthly and carries no meaning.

Is Barack Ferrazzano the best Commercial Leasing law firm in Chicago?

Barack Ferrazzano sits in Tier 1 — Market leaders — of Sartori's Chicago Commercial Leasing board as of July 2026, alongside Levenfeld Pearlstein, Polsinelli. Sartori does not name a single #1: the gap between Tier 1 firms is genuinely unmeasurable, and a numeric score would be false precision.

Which firms have the biggest Commercial Leasing benches in Chicago?

By mapped Chicago bench, the largest firms on this board are Barack Ferrazzano, Levenfeld Pearlstein (25–49 mapped lawyers each), followed by Polsinelli, DLA Piper, Greenberg Traurig, Taft Stettinius & Hollister, Kirkland & Ellis, Quarles & Brady (10–24). All counts are bands, never precise headcounts.

Which Commercial Leasing teams are hiring in Chicago?

As of July 2026, no firm on this board shows a public hiring signal in the mapping window. Live Chicago mandates are listed on Sartori's jobs board.

What is a Tier 1 law firm?

In Sartori's rankings, Tier 1 — Market leaders — is an editorial judgement expressed in words, never a score: the firms whose Chicago bench depth, seniority mix and market standing set the reference point for the market. As of July 2026 that is Barack Ferrazzano, Levenfeld Pearlstein, Polsinelli. Within the tier no firm outranks another.

Which are the best law firms in Chicago overall?

Sartori's overall Chicago board groups 25 firms into editorial tiers; as of July 2026 its Tier 1 is Jenner & Block, Katten Muchin Rosenman, Kirkland & Ellis, Mayer Brown, Sidley Austin, Winston & Strawn, DLA Piper. See /firms/in/chicago/.

See the ranking →

This ranking is compiled independently by Sartori from public sources. Tiers are Sartori’s editorial opinion, expressed without numeric scores; firms are named for identification only, no logos are reproduced, and no firm has paid for or approved its placement. No third-party legal-directory band is used as an input. Nothing here is legal advice or a recommendation to instruct counsel.