Company lists · Data refreshed November 2026

Top 25 Payment systems lawyers based in the United States

RevenueBase identified 350 company matches for payment systems lawyers associated with the United States as of November 2026 and tracks 10,333 professional contacts across them, including 5,834 with verified work emails. New York is the largest hub.

This list covers company matches for payment systems lawyers associated with the 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 November 6, 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 Nov 6, 2026 How this list was built
350Companies
10,333Contacts tracked
5,834Verified emails
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The 25 largest payment systems lawyers based in the United States

Ranked by team size
Top 25 of 350 company matches for payment systems lawyers based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchPhiladelphia, PA, United StatesHQ recorded Nov 6, 20261,001-5,0002,171 contacts →

Exact match

“Dechert is the law firm that helps business leaders lead.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNew York, NY, United StatesHQ recorded Nov 6, 20261,001-5,0002,048 contacts →

Exact match

“Pillsbury is one of the world’s foremost law firms, operating at the intersection of technology innovation, capital and government.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchChicago, FL, United StatesHQ recorded Nov 6, 2026501-1,0001,298 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchChicago, NY, United StatesHQ recorded Nov 6, 2026201-500612 contacts →

Exact match

“Chapman is a law firm focused on finance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchCleveland, OH, United StatesHQ recorded Nov 6, 2026201-500419 contacts →

Exact match

“McDonald Hopkins is an entrepreneurial law firm founded in 1930 on practical Midwestern business values that are as relevant today as when we first began.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchPhiladelphia, PA, United StatesHQ recorded Nov 6, 2026201-500354 contacts →

Exact match

“For over 50 years, Post & Schell’s attorneys have combined the operational knowledge and insight into the industries they represent with creative legal solutions – and helped…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026501-1,000323 contacts →

Exact match

“With more than 500 legal and business professionals across the US, Stroock is a national firm with international reach.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNew York, United StatesHQ recorded Nov 6, 202651-200240 contacts →

Exact match

“Founded in 2001, CFSB is a full-service payments, lending and banking provider that delivers global financial services through a personal approach.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchPhiladelphia, DE, United StatesHQ recorded Nov 6, 202651-200205 contacts →

Exact match

“Klehr Harrison Harvey Branzburg LLP is a dynamic law firm known in the business, financial and legal communities for its aggressive and creative problem-solving skills.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202651-200146 contacts →

Exact match

“Your payments data tells you what happened.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchHouston, NY, United StatesHQ recorded Nov 6, 202651-200138 contacts →

Exact match

“Vizant, acquired by Redbridge in 2019, is an advisory and technology services firm that assists treasury and finance functions with the reduction and elimination of payment card…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“Emmet, Marvin & Martin, LLP is a law firm committed to a tradition of excellence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchWeston, FL, United StatesHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“We are a global multi-service firm with deep knowledge of the electronic payments ecosystem • Our global footprint is focused in the North & Latin American region as well as the…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchHanover, MD, United StatesHQ recorded Nov 6, 202651-20080 contacts →

Exact match

“Established in 1997, Hudson Cook, LLP focuses on state and federal consumer and commercial financial services, banking and privacy compliance, regulation, enforcement and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNew York, NY, United StatesHQ recorded Nov 6, 202651-20077 contacts →

Exact match

“Otterbourg offers clients a unique combination of legal insight and practical solutions and is known for its integrity, stability and business knowledge.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“HWA has extensive experience in Banking Representation, Business Planning and Strategy, Business Bankruptcy, Bankruptcy Trustee Representation, Commercial Finance, Commercial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchOmaha, NE, United StatesHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“TSG (The Strawhecker Group) is a globally recognized analytics and consulting firm that supports the entire payments ecosystem, serving over clients from Fortune 500 leaders to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchSterling Heights, MI, United StatesHQ recorded Nov 6, 202611-5054 contacts →

Exact match

“O'Reilly Rancilio is a diversified, full-service law firm providing consulting, general counsel, and legal representation to businesses, financial institutions, governmental…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchLittle Rock, AR, United StatesHQ recorded Nov 6, 202611-5052 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchChicago, United StatesHQ recorded Nov 6, 202611-5044 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 · Nov 6, 2026 · View company records in RevenueBase
21Exact matchEnid, OK, United StatesHQ recorded Nov 6, 202611-5042 contacts →

Exact match

“Davis Business Law is a group of dedicated general counsel and litigation experts to business clients of all sizes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSouthfield, MI, United StatesHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“For more than 40 years, Holzman Law has provided exceptional counseling and legal services to state and federally regulated financial institutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026n/a32 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchWashington, DC, United StatesHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“Weiner Brodsky Kider PC is a Washington, D.C-based firm with a national practice focused on compliance, regulatory, transactional and litigation matters related to financial…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchSt. Louis, MO, United StatesHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“Swipesum is a payments consulting and software company that helps businesses take control of how they accept and manage payments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 350 payment systems lawyers based in the United States

See the full list, filter by size, metro and specialty, and access 5,834 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Payment systems lawyers based in the United States at a glance

As of Nov 6, 2026
56.5%Verified-email coverage
29.5Average contacts per company
1-10Median size (employees)
10.0%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
243
11-50
71
51-200
26
201-500
6
501-1,000
2
1,001-5,000
2

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 350 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 the United States whose business descriptions match “payment systems lawyers” 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 5,834 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 November 6, 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.

Payment systems lawyers by metro

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 “payment systems lawyers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many payment systems lawyers are there based in the United States?

RevenueBase identified 350 company matches for payment systems lawyers associated with the United States as of November 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?

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

Which city has the most payment systems lawyers?

New York leads with 35 company records, followed by Washington (12) and Chicago (11).

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 5,834 professional contacts with verified work emails tracked across these 350 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 November 6, 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.