Company lists · Data refreshed September 2026

Top 25 Specialist legal practices based in Chicago, United States

Name: Specialist legal practices based in Chicago, United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 182 companies tracked

RevenueBase identified 182 specialist legal practices headquartered in Chicago, United States as of September 2026 and tracks 8,085 professional contacts across them, including 4,998 with verified work emails. New York is the largest hub.

This list covers specialist legal practices headquartered in Chicago, United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 22, 2026 86% judged on-target in blind review

182Companies

8,085Contacts tracked

4,998Verified emails

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The 25 largest specialist legal practices based in Chicago, United States

Ranked by team size

Top 25 of 182 specialist legal practices based in Chicago, United States, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to specialist legal practices: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Seyfarth Shaw LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	1,001-5,000	2,167 contacts →
	Indirect evidence “High stakes.” Source: RevenueBase Database · checked Sep 22, 2026
2	Katten Muchin Rosenman LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	1,001-5,000	1,495 contacts →
	Indirect evidence “Katten is a full-service law firm with nearly 650 attorneys in locations across the United States and in London and Shanghai.” Source: RevenueBase Database · checked Sep 22, 2026
3	Amundsen Davis, LLC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	201-500	542 contacts →
	Indirect evidence “Amundsen Davis is a law firm comprised of over 250 attorneys headquartered in Chicago.” Source: RevenueBase Database · checked Sep 22, 2026
4	Banner Witcoff	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	201-500	288 contacts →
	Indirect evidence “For more than 100 years Banner Witcoff has provided sound protection and inventive intellectual property solutions for some of the world’s most innovative organizations.” Source: RevenueBase Database · checked Sep 22, 2026
5	Levenfeld Pearlstein, LLC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	254 contacts →
	Indirect evidence “Formed in Levenfeld Pearlstein provides the sophisticated skills and resources of a big law firm with the personal attention of a small law firm.” Source: RevenueBase Database · checked Sep 22, 2026
6	Barack Ferrazzano Kirschbaum & Nagelberg LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	201-500	250 contacts →
	Indirect evidence “Barack Ferrazzano was founded in 1984 with a vision focused on delivering efficient, team-oriented services of the highest quality.” Source: RevenueBase Database · checked Sep 22, 2026
7	Much Shelist, P.C	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	203 contacts →
	Indirect evidence “We're Much.” Source: RevenueBase Database · checked Sep 22, 2026
8	Leydig, Voit & Mayer, LTD	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	157 contacts →
	Indirect evidence “Leydig, Voit & Mayer remains at the forefront of intellectual property law, providing advice and counsel in intellectual property litigation, licensing, and prosecution services…” Source: RevenueBase Database · checked Sep 22, 2026
9	Bartlit Beck LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	130 contacts →
	Indirect evidence “Delivering extraordinary results to leading companies and individuals in their most important matters.” Source: RevenueBase Database · checked Sep 22, 2026
10	Gould & Ratner LLP	Partial evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	127 contacts →
	Partial evidence “For more than 80 years, Gould & Ratner LLP has provided comprehensive legal counsel and business advice to Fortune 500 corporations, closely-held businesses, financial…” Source: RevenueBase Database · checked Sep 22, 2026
11	Fitch, Even, Tabin & Flannery LLP	Partial evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	109 contacts →
	Partial evidence “With over 160 years of experience, Fitch, Even, Tabin & Flannery LLP is Chicago’s oldest law firm in continuous practice and a national leader in the field of intellectual…” Source: RevenueBase Database · checked Sep 22, 2026
12	Masuda Funai	Partial evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	102 contacts →
	Partial evidence “Since its founding in 1929, Masuda Funai has focused its practice on successfully representing international and domestic companies entering, operating and expanding in the United…” Source: RevenueBase Database · checked Sep 22, 2026
13	FOX Swibel Levin & Carroll LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	11-50	93 contacts →
	Indirect evidence “Fox Swibel is Chicago’s leading boutique business law firm.” Source: RevenueBase Database · checked Sep 22, 2026
14	Hughes Socol Piers Resnick & Dym, LTD	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	76 contacts →
	Indirect evidence “HSPRD is a full-service law firm built on strong client relationships and supported by smart, skilled attorneys.” Source: RevenueBase Database · checked Sep 22, 2026
15	Aronberg Goldgehn	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	75 contacts →
	Indirect evidence “Aronberg Goldgehn is a premier full-service business law and litigation firm with offices in Chicago and Wheaton, Illinois.” Source: RevenueBase Database · checked Sep 22, 2026
16	Rock Fusco & Connelly, LLC	Partial evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	11-50	61 contacts →
	Partial evidence “Rock Fusco Connelly, LLC is a full service – general practice law firm.” Source: RevenueBase Database · checked Sep 22, 2026
17	Golan Christie Taglia LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	61 contacts →
	Indirect evidence “Golan Christie Taglia LLP is a law firm dedicated to delivering successful results while providing our clients the highest levels of quality and personal service.” Source: RevenueBase Database · checked Sep 22, 2026
18	Latimer Levay Fyock LLC	Partial evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	11-50	54 contacts →
	Partial evidence “Latimer LeVay Fyock LLC aim is to deliver sound legal advice to our clients within the specific context of their respective business and personal objectives.” Source: RevenueBase Database · checked Sep 22, 2026
19	Schoenberg Finkel Beederman Bell Glazer LLC	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	49 contacts →
	Indirect evidence “What makes SFBBG different from other law firms?” Source: RevenueBase Database · checked Sep 22, 2026
20	Pattishall, Mcauliffe, Newbury, Hilliard & Geraldson LLP	Indirect evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	44 contacts →
	Indirect evidence “Pattishall McAuliffe is one of the largest U.S.” Source: RevenueBase Database · checked Sep 22, 2026
21	Hanley, Flight & Zimmerman, LLC	Partial evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	40 contacts →
	Partial evidence “HFZ is a boutique IP law firm located in the heart of Chicago, specializing in United States and foreign patent prosecution and counseling.” Source: RevenueBase Database · checked Sep 22, 2026
22	Airdo Werwas, LLC	Partial evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	11-50	40 contacts →
	Partial evidence “Airdo Werwas, LLC, is a boutique trial law firm that provides a full range of legal services and solutions to achieve the results its clients need.” Source: RevenueBase Database · checked Sep 22, 2026
23	Meckler Bulger Tilson Marick & Pearson LLP	Partial evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	51-200	40 contacts →
	Partial evidence “Meckler Bulger Tilson Marick & Pearson LLP (MBT) is one of the nation's leading litigation law firms - with a prominent record of important legal victories on behalf of some of…” Source: RevenueBase Database · checked Sep 22, 2026
24	Sherwood LAW Group	Partial evidence	Chicago, IL, United StatesHQ checked Sep 22, 2026	11-50	40 contacts →
	Partial evidence “Sherwood Law Group is a highly specialized boutique law firm providing superior value, greater access to the senior-most attorneys and higher priority among the firm’s clients.” Source: RevenueBase Database · checked Sep 22, 2026
25	Sperling & Slater, LLC	Partial evidence	Chicago, United StatesHQ checked Sep 22, 2026	11-50	36 contacts →
	Partial evidence “Sperling & Slater has a nationwide and international practice focusing on complex commercial and business disputes.” Source: RevenueBase Database · checked Sep 22, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: specialist legal practices. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names specialist legal practices.
Partial evidence: Its own public description names part of specialist legal practices, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name specialist legal practices. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 182 specialist legal practices based in Chicago, United States

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Specialist legal practices based in Chicago, United States at a glance

As of Sep 22, 2026

61.8%Verified-email coverage

44.4Average contacts per company

1-10Median size (employees)

190.1%Largest-city concentration · New York

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

Email recency for this list is measured across the whole United States list rather than for Chicago, so it is reported there. Company counts and contact totals on this page are exact for Chicago, over 182 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among specialist legal practices, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Chicago, United States whose own description of what they do matches “specialist legal practices”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search: RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names specialist legal practices), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude: Companies whose own description does not clearly place them among specialist legal practices, and records with no verified work email. Companies headquartered outside Chicago are excluded even when they keep an office there.
Match quality: In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every listed company carries at least one verified work email, 4,998 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
Corrections: Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Specialist legal practices by metro in the United States

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names specialist legal practices, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many specialist legal practices are there based in Chicago, United States?

RevenueBase identified 182 specialist legal practices headquartered in Chicago, United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Seyfarth Shaw LLP, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most specialist legal practices?

New York leads with 346 headquartered companies, followed by Los Angeles (183) and Chicago (182).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 4,998 verified decision-maker contacts tracked across these 182 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.