Company lists · Data refreshed September 2026
Top 25 Payment systems law firms based in the United States
RevenueBase identified 71 payment systems law firms headquartered in the United States as of September 2026 and tracks 740 professional contacts across them, including 215 with verified work emails and 284 with mobile numbers. Austin is the largest hub.
This list covers payment systems law firms headquartered in the 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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.
The 25 largest payment systems law firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | VizantPartial evidence | 133 | |||
“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…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 82 | ||||
“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…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 78 | ||||
“Established in 1997, Hudson Cook, LLP focuses on state and federal consumer and commercial financial services, banking and privacy compliance, regulation, enforcement and…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | Mercator Advisory Group NOW Javelin Strategy & ResearchPartial evidence | 26 | |||
“Mercator Advisory Group is the leading, independent research and advisory services firm exclusively focused on the payments industry.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 22 | ||||
“SW & M has unsurpassed expertise in meeting the specific needs of financial institutions, from credit unions to community banks, loan brokers to money service businesses.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 22 | ||||
“At Buckley we focus on three key areas, financial services, government enforcement, and litigation, and do them exceptionally well.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 20 | ||||
“The partner law firms rely on to protect their financial future.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 19 | ||||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | Glenbrook PartnersPartial evidence | 19 | |||
“Glenbrook Partners is a dedicated strategy consulting and advisory firm offering deep insights into how the payments industry is evolving and how advantages can be gleaned from…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 16 | ||||
“Since 1985, Aldrich & Bonnefin, PLC* has been committed to meeting the needs of California's financial institutions.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | Level 3 Financial SolutionsPartial evidence | 14 | |||
“Level 3 is a customer-focused organization specializing in selling and consulting on modern payment technologies across all industries and platforms.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | FeewiseStrong evidence | 14 | |||
“Introducing FeeWise – the legal payment solution built exclusively for law firms.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | NxtmovesPartial evidence | 13 | |||
“Proven Operators, We understand payments from every vantage point, merchants, providers, and payers.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | Wespay AdvisorsPartial evidence | 12 | |||
“Wespay Advisors leverages extensive payments expertise to develop tailored consulting and risk management solutions that help our clients elevate their payments programs.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | Neach Payments GroupPartial evidence | 12 | |||
“A leading force in payments consulting, NEACH Payments Group (NPG) transcends geographical boundaries to bring our insights to the forefront.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 11 | ||||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | Secure Account ServicePartial evidence | 8 | |||
“Secure Account Service is a fully-autonomous payment processor acting as a third-party intermediary.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | RPY InnovationsPartial evidence | 6 | |||
“RPY Innovations helps you with every facet of your payments acceptance operations.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | DLX LAW PllcPartial evidence | 6 | |||
“DLx Law is a U.S.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | Paygility AdvisorsPartial evidence | 5 | |||
“PayGility Advisors is a payments industry advisory and strategic consultancy.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | TriceraPartial evidence | 5 | |||
“The world of payment processing is often staffed by the victims of "growth at all costs" business models.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 5 | ||||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | Integrity Payments GroupPartial evidence | 3 | |||
“Integrity Payments Group is mission-driven to revolutionize the payments industry.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 | ||||
“We’re a law firm dedicated to strengthening communities by helping financial institutions, fintechs, and businesses thrive.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | Payment Operations Group, LLCPartial evidence | 3 | |||
“Payments.Navigating, Educating, Strengthening.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 71 payment systems law firms based in the United States
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Payment systems law firms based in the United States at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
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 payment systems law firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in the United States whose own description of what they do matches “payment systems law firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among payment systems law firms, and records with no verified work email. Companies headquartered outside United States 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 an evidence 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, 215 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 5, 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
How many payment systems law firms are there based in the United States?
RevenueBase identified 71 payment systems law firms headquartered in the 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?
Vizant, headquartered in Houston, tops this list with the largest team on record.
Which city has the most payment systems law firms?
Austin leads with 4 headquartered companies, followed by Scottsdale (3) and Washington (3).
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 215 verified decision-maker contacts tracked across these 71 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 5, 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.
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