Company lists · Data refreshed September 2026

Top 25 Corporate legal services providers based in Chicago, United States

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

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 78 companies tracked

RevenueBase identified 78 company matches for corporate legal services providers associated with Chicago, United States as of September 2026 and tracks 6,769 professional contacts across them, including 3,649 with verified work emails. Across the United States, New York is the largest hub for this category (213 companies); Chicago follows with 78.

This list covers company matches for corporate legal services providers associated with Chicago, United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 19, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 19, 2026 How this list was built

78Companies

6,769Contacts tracked

3,649Verified emails

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The 25 largest corporate legal services providers based in Chicago, United States

Ranked by team size

Top 25 of 78 company matches for corporate legal services providers based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 19, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Seyfarth Shaw LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1,001-5,000	2,167 contacts →
	Exact match “High stakes.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
2	Katten Muchin Rosenman LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1,001-5,000	1,495 contacts →
	Exact match “Katten is a full-service law firm with nearly 650 attorneys in locations across the United States and in London and Shanghai.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
3	Hinshaw & Culbertson LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	501-1,000	1,188 contacts →
	Exact match “Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
4	DWF Legal Operations	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	501-1,000	424 contacts →
	Exact match “DWF's Legal Operations Division (formerly Mindcrest) is the Group's alternative legal services provider, serving major corporates and law firms, globally.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
5	Schiff Hardin LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	501-1,000	297 contacts →
	Exact match “Schiff Hardin LLP is now ArentFox Schiff.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
6	Masuda Funai	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	51-200	102 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
7	Latimer Levay Fyock LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	54 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
8	Pedersen & Houpt	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	51-200	46 contacts →
	Exact match “Our firm, Pedersen & Houpt, was founded over 50 years ago.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
9	HMB Legal Counsel	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	51-200	35 contacts →
	Exact match “On March 1, 2024, HMB Legal Counsel joined forces Kilpatrick Townsend & Stockton LLP.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
10	Shefsky & Froelich	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	51-200	33 contacts →
	Exact match “Shefsky & Froelich Ltd, a Chicago-based full-service law firm, was founded in 1970 by a small group of highly motivated attorneys with extensive experience in complex commercial…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
11	Lawrence Kamin, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	31 contacts →
	Exact match “Lawrence Kamin is a business law firm that takes a personal approach to every client engagement.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
12	Amata LAW Office Suites	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	31 contacts →
	Exact match “Amata is an alternative legal services provider for solo practice and partner practice law firms.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
13	Shepard Schwartz & Harris LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	26 contacts →
	Exact match “As of July 2022, Shepard Schwartz & Harris LLP joined Citrin Cooperman.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
14	Mccarthy Duffy LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	17 contacts →
	Exact match “McCarthy Duffy LLP is a business-focused law firm that has been supporting clients in the Midwest and around the world for over 100 years.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
15	Fuksa Khorshid, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	16 contacts →
	Exact match “At Fuksa Khorshid, LLC, we concentrate in servicing the needs of a wide range of small to mid-sized businesses.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
16	Ziliak Law, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	15 contacts →
	Exact match “The attorneys at Ziliak Law care about your business.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
17	Hart David Carson LLP	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	13 contacts →
	Exact match “Hart David Carson LLP is a national law firm redefining how corporate counsel is delivered.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
18	Addyhart LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	11 contacts →
	Exact match “AddyHart is a boutique law firm focused on intellectual property litigation and corporate law.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
19	The LAW Offices Of Marc J. Lane, A Professional Corporation	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	11 contacts →
	Exact match “The Law Offices of Marc J.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
20	Leinenweber Daffada & Sansonetti LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	10 contacts →
	Exact match “Leinenweber Daffada & Sansonetti LLC is a full-service law firm that represents public and private sector clients.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
21	Synergy LAW Group, LLC	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	11-50	9 contacts →
	Exact match “Synergy Law Group, LLC concentrates in corporate and commercial law; securities and finance law; mergers and acquisitions; technology, intellectual property, licensing and…” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
22	Outside General Counsel	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	8 contacts →
	Exact match “At Outside General Counsel, our mission is to redefine the traditional legal partnership by focusing on client success and sustainable growth.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
23	Goodcounsel	Exact match	Chicago, United StatesHQ recorded Sep 19, 2026	1-10	8 contacts →
	Exact match “goodcounsel is a small law practice with larger ambitions.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
24	Jaffe & Berlin, L.L.C	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	7 contacts →
	Exact match “For over 22 years, Jaffe & Berlin has been representing clients big and small.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase
25	Mercer OAK	Exact match	Chicago, IL, United StatesHQ recorded Sep 19, 2026	1-10	6 contacts →
	Exact match “A law firm that works for you.” Recorded in the RevenueBase company graph · Sep 19, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “corporate legal services providers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 78 corporate legal services providers based in Chicago, United States

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Corporate legal services providers based in Chicago, United States at a glance

As of Sep 19, 2026

53.9%Verified-email coverage

86.8Average contacts per company

1-10Median size (employees)

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

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 78 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with Chicago, United States whose business descriptions match “corporate legal services providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 3,649 professional contacts with verified work emails across the full matched dataset. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Corporate legal services providers by metro in the United States

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “corporate legal services providers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many corporate legal services providers are there based in Chicago, United States?

RevenueBase identified 78 company matches for corporate legal services providers associated with Chicago, United States as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Seyfarth Shaw LLP tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in the United States has the most corporate legal services providers?

New York leads the United States with 213 company records, followed by Chicago (78) and Houston (73).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 3,649 professional contacts with verified work emails tracked across these 78 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 SmartSearch, 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.