Company lists · Data refreshed September 2026

Top 25 Mergers and acquisitions law firms based in Chicago, United States

RevenueBase identified 111 company matches for mergers and acquisitions law firms associated with Chicago, United States as of September 2026 and tracks 21,685 professional contacts across them, including 12,883 with verified work emails. Across the United States, New York is the largest hub for this category (244 companies); Chicago follows with 111.

This list covers company matches for mergers and acquisitions law firms 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 14, 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 14, 2026 How this list was built
111Companies
21,685Contacts tracked
12,883Verified emails
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The 25 largest mergers and acquisitions law firms based in Chicago, United States

Ranked by team size
Top 25 of 111 company matches for mergers and acquisitions law firms based in Chicago, United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 14, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20265,001-10,0008,449 contacts →

Exact match

“As one of the world’s leading law firms, we serve a broad range of clients with market-leading practices in private equity, M&A and other complex corporate transactions…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
2Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261,001-5,0004,177 contacts →

Exact match

“Mayer Brown is a leading international law firm, positioned to represent the world’s major corporations, funds and financial institutions in their most important and complex…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
3Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261,001-5,0002,167 contacts →

Exact match

“High stakes.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
4Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261,001-5,0001,495 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 14, 2026 · View company records in RevenueBase
5Exact matchChicago, IL, United StatesHQ recorded Sep 14, 2026501-1,0001,188 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
6Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261,001-5,000830 contacts →

Exact match

“Locke Lord and Troutman Pepper merged on January 1, 2025.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
7Exact matchChicago, IL, United StatesHQ recorded Sep 14, 2026201-500565 contacts →

Exact match

“Chapman is a law firm focused on finance.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
8Exact matchChicago, IL, United StatesHQ recorded Sep 14, 2026201-500353 contacts →

Exact match

“Neal Gerber Eisenberg is a Chicago-based law firm whose attorneys share a culture of teamwork and devotion to personalized client service to advance our clients’ business…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
9Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202651-200254 contacts →

Exact match

“Formed in Levenfeld Pearlstein provides the sophisticated skills and resources of a big law firm with the personal attention of a small law firm.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
10Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202651-200203 contacts →

Exact match

“We're Much.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
11Exact matchChicago, United StatesHQ recorded Sep 14, 202651-200118 contacts →

Exact match

“CDI Global, established in 1973, is a leader in middle-market, cross-border transactions with over transactions to our credit.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
12Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202651-200102 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 14, 2026 · View company records in RevenueBase
13Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202611-5054 contacts →

Exact match

“PFS is a law firm that serves a diverse group of clients in a wide variety of business and commercial matters.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
14Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202611-5054 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 14, 2026 · View company records in RevenueBase
15Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202651-20049 contacts →

Exact match

“What makes SFBBG different from other law firms?”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
16Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202651-20046 contacts →

Exact match

“Our firm, Pedersen & Houpt, was founded over 50 years ago.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
17Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202611-5043 contacts →

Exact match

“Kluever Law Group, LLC (KLG) is a ten attorney firm boasting a strong record of success representing a core client base of banks, financial institutions, receivers, secured…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
18Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202651-20039 contacts →

Exact match

“Elevate Mestel is a global leader in legal recruitment and M&A consulting.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
19Exact matchChicago, United StatesHQ recorded Sep 14, 202611-5035 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
20Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202651-20035 contacts →

Exact match

“On March 1, 2024, HMB Legal Counsel joined forces Kilpatrick Townsend & Stockton LLP.”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
21Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202651-20033 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 14, 2026 · View company records in RevenueBase
22Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202611-5031 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 14, 2026 · View company records in RevenueBase
23Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202611-5031 contacts →

Exact match

“Litwin Kach is a boutique law firm providing sophisticated legal services in the areas of private equity, mergers and acquisitions, energy development, venture capital, commercial…”

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
24Exact matchChicago, IL, United StatesHQ recorded Sep 14, 202611-5028 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase
25Exact matchChicago, IL, United StatesHQ recorded Sep 14, 20261-1026 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 14, 2026 · View company records in RevenueBase

Showing 25 of 111 mergers and acquisitions law firms based in Chicago, United States

See the full list, filter by size, metro and specialty, and access 12,883 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mergers and acquisitions law firms based in Chicago, United States at a glance

As of Sep 14, 2026
59.4%Verified-email coverage
195.4Average contacts per company
11-50Median size (employees)
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
51
11-50
36
51-200
12
201-500
3
501-1,000
2
1,001-5,000
6
5,001-10,000
1

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 111 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 “mergers and acquisitions law firms” 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 12,883 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 14, 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.

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 “mergers and acquisitions law firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mergers and acquisitions law firms are there based in Chicago, United States?

RevenueBase identified 111 company matches for mergers and acquisitions law firms 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?

Kirkland & Ellis 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 mergers and acquisitions law firms?

New York leads the United States with 244 company records, followed by Chicago (111) and Los Angeles (101).

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 12,883 professional contacts with verified work emails tracked across these 111 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 14, 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.