Company lists · Data refreshed September 2026

Top 25 Compliance law firms based in Chicago, United States

RevenueBase identified 47 compliance law firms headquartered in Chicago, United States as of September 2026 and tracks 1,568 professional contacts across them, including 784 with verified work emails and 938 with mobile numbers. New York is the largest hub.

This list covers compliance law firms 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 8, 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 8, 2026 86% judged on-target in blind review
47Companies
1,568Contacts tracked
784Verified emails
938Mobile numbers
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The 25 largest compliance law firms based in Chicago, United States

Ranked by team size
Top 25 of 47 compliance law firms based in Chicago, United States, ranked by team size, largest first. Data refreshed Sep 8, 2026. RevenueBase Smart Search rates how each company's information relates to compliance law firms: 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceChicago, IL, United StatesHQ checked Sep 8, 2026501-1,0001,188 contacts →

Partial evidence

“Hinshaw & Culbertson LLP is a U.S-based law firm with offices nationwide.”

Source: RevenueBase Database · checked Sep 8, 2026
2Indirect evidenceChicago, IL, United StatesHQ checked Sep 8, 202651-200102 contacts →

Indirect 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 8, 2026
3Indirect evidenceChicago, IL, United StatesHQ checked Sep 8, 202611-5040 contacts →

Indirect evidence

“Data-driven, Sustainable-Results.”

Source: RevenueBase Database · checked Sep 8, 2026
4Partial evidenceChicago, IL, United StatesHQ checked Sep 8, 202611-5028 contacts →

Partial evidence

“Founded in 1993 by several attorneys previously affiliated with a large Chicago law firm, Hogan Marren, Ltd.”

Source: RevenueBase Database · checked Sep 8, 2026
5Indirect evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-1026 contacts →

Indirect evidence

“As of July 2022, Shepard Schwartz & Harris LLP joined Citrin Cooperman.”

Source: RevenueBase Database · checked Sep 8, 2026
6Partial evidenceChicago, IL, United StatesHQ checked Sep 8, 202611-5016 contacts →

Partial evidence

“Founded by a team of Big Law veterans, our firm blends the nimble entrepreneurialism of a boutique start-up with the wisdom and experience that comes from decades of deftly…”

Source: RevenueBase Database · checked Sep 8, 2026
7Indirect evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-1015 contacts →

Indirect evidence

“We deliver global trade expertise to minimize costs, facilitate your business, and resolve risks.”

Source: RevenueBase Database · checked Sep 8, 2026
8Strong evidenceChicago, IL, United StatesHQ checked Sep 8, 202611-509 contacts →

Strong evidence

“Our law firm focuses almost exclusively on health care regulatory compliance.”

Source: RevenueBase Database · checked Sep 8, 2026
9Partial evidenceChicago, IL, United StatesHQ checked Sep 8, 202651-2009 contacts →

Partial evidence

“CrossCheck Compliance LLC is a nationwide regulatory compliance and risk management consulting firm focused on providing regulatory compliance, internal audit, fair lending, loan…”

Source: RevenueBase Database · checked Sep 8, 2026
10Indirect evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-108 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 8, 2026
11Partial evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-105 contacts →

Partial evidence

“Health Law Consultancy is a Chicago boutique law firm that delivers strategic legal counsel that enables health organizations to capitalize on the opportunities and manage the…”

Source: RevenueBase Database · checked Sep 8, 2026
12Indirect evidenceChicago, United StatesHQ checked Sep 8, 20261-105 contacts →

Indirect evidence

“Lewitas Hyman PC (now known as Hyman Cotter PC) provided nationwide advisory and litigation counsel to clients in the financial services industry on employment and investment loss…”

Source: RevenueBase Database · checked Sep 8, 2026
13Partial evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-105 contacts →

Partial evidence

“For Employers: Cramer Law Group recognizes the challenges that small to medium businesses face in this ever-changing, volatile environment.”

Source: RevenueBase Database · checked Sep 8, 2026
14Indirect evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-104 contacts →

Indirect evidence

“DMD CONSULTING is a certified woman owned consulting firm, founded in 2008 as an independent alternative to public accounting firms and corporate consulting firms for Audit and…”

Source: RevenueBase Database · checked Sep 8, 2026
15Partial evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-104 contacts →

Partial evidence

Compliance consulting for broker/dealers and investment advisors.”

Source: RevenueBase Database · checked Sep 8, 2026
16Partial evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-103 contacts →

Partial evidence

“The Law Firm of R.M.”

Source: RevenueBase Database · checked Sep 8, 2026
17Indirect evidenceChicago, IL, United StatesHQ checked Sep 8, 202611-502 contacts →

Indirect evidence

“Regulation Technologies, LLC was founded over 14 years ago in response to the growing need for regulation resources for small to medium sized broker dealers, investment advisors…”

Source: RevenueBase Database · checked Sep 8, 2026
18Partial evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-102 contacts →

Partial evidence

Compliance: Registrations & Annual Exam Requirements Performed by licensed and qualified Compliance Officer.”

Source: RevenueBase Database · checked Sep 8, 2026
19Indirect evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-101 contacts →

Indirect evidence

“At Wortham LLP we understand the legal demands of doing business in the heavily-regulated healthcare space and we are here to help.”

Source: RevenueBase Database · checked Sep 8, 2026
20Partial evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-101 contacts →

Partial evidence

“Crick Walanka Law Group, led by attorney Lillian Walanka, has decades of experience defending licensed professionals in investigations, disciplinary prosecutions and appeals…”

Source: RevenueBase Database · checked Sep 8, 2026
21Indirect evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-101 contacts →

Indirect evidence

“After working as a Senior Trial Attorney for the Commodity Futures Trading Commission’s (CFTC) Division of Enforcement from 1977-1980, Peter has been advising clients about…”

Source: RevenueBase Database · checked Sep 8, 2026
22Indirect evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-101 contacts →

Indirect evidence

“Vellichor Consulting was founded on the belief that important decisions are strengthened by thoughtful inquiry, careful analysis, and clear reporting.”

Source: RevenueBase Database · checked Sep 8, 2026
23Indirect evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-101 contacts →

Indirect evidence

“Early Cochran & Olson specializes in recruiting senior lawyers for leadership and bench strength.”

Source: RevenueBase Database · checked Sep 8, 2026
24Partial evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-101 contacts →

Partial evidence

“A law firm focused on solving problems.”

Source: RevenueBase Database · checked Sep 8, 2026
25Partial evidenceChicago, IL, United StatesHQ checked Sep 8, 20261-101 contacts →

Partial evidence

“Griffin Strategic Law Advisors brings years of top-tier law firm, nonprofit general counsel, and senior federal government executive experience to businesses across the country.”

Source: RevenueBase Database · checked Sep 8, 2026

Showing 25 of 47 compliance law firms based in Chicago, United States

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Compliance law firms based in Chicago, United States at a glance

As of Sep 8, 2026
50.0%Verified-email coverage
59.8%Mobile-number coverage
33.4Average contacts per company
1-10Median size (employees)
270.2%Largest-city concentration · New York
Sep 8, 2026Page data refreshed

Companies by employee count

1-10
35
11-50
8
51-200
3
501-1,000
1

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 10.0d

Company record updated

Median 71.0d

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 compliance law firms, 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 “compliance law firms”. 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 compliance law firms), 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 compliance law firms, 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, 784 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 8, 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.

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 compliance law firms, 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 compliance law firms are there based in Chicago, United States?

RevenueBase identified 47 compliance law firms 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?

Hinshaw & Culbertson LLP, headquartered in Chicago, tops this list with the largest team on record.

Which city has the most compliance law firms?

New York leads with 127 headquartered companies, followed by Washington (111) and Miami (52).

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 784 verified decision-maker contacts tracked across these 47 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 8, 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.