Company lists · Data refreshed September 2026
Top 25 Compliance audit firms based in the United States
RevenueBase identified 587 compliance audit firms headquartered in the United States as of September 2026 and tracks 5,257 professional contacts across them, including 2,630 with verified work emails. New York is the largest hub.
This list covers compliance audit 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 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.
The 25 largest compliance audit firms based in the United States
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 798 contacts → | ||||
Partial evidence “A-LIGN is the leading provider of high-quality, efficient cybersecurity compliance programs.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 411 contacts → | ||||
Partial evidence “ControlCase is committed to bringing peace of mind to the world’s IT compliance programs through our signature partnership approach, commitment to automation, and cost-effective…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 174 contacts → | ||||
Partial evidence “Insight Assurance is a security and compliance firm trusted by more than 1,500 organizations for their SOC 1, SOC 2, SOC 3, PCI DSS, ISO 27001, ISO 27017/27018, ISO 27701, ISO…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 170 contacts → | ||||
Indirect evidence “Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 150 contacts → | ||||
Partial evidence “We provide innovative compliance solutions by embracing complexity and making it simple.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 141 contacts → | ||||
Partial evidence “TrendSource helps businesses document and measure compliance across employment, consumer reporting, government, finance, health care, and retail.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 139 contacts → | ||||
Indirect evidence “KirkpatrickPrice is a licensed information security CPA firm, a PCI QSA, and a HITRUST CSF Assessor, providing assurance services to over clients worldwide.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 70 contacts → | ||||
Partial evidence “When we started Eden Data in 2021, our goal was to change the way high-growth organizations think about compliance and cybersecurity.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 66 contacts → | ||||
Strong evidence “Martindale Consultants was founded in 1982 to deliver specialized audit, accounting, and regulatory compliance services to the oil and gas industry.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 61 contacts → | ||||
Strong evidence “Quest CE helps financial service organizations manage their compliance operations by offering firm training programs, disclosure tracking services and branch audit solutions.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 60 contacts → | ||||
Indirect evidence “To meet rigorous regulatory expectations and requirements, it is imperative that organizations have access to “best in class” talent that has extensive knowledge of the businesses…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 59 contacts → | ||||
Partial evidence “Founded in 2003, ATTAC Consulting Group was built on a foundation of rigorous audit and regulatory heritage.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 57 contacts → | ||||
Partial evidence “Redocs, a well-known and respected compliance company in the New York City Commercial Property industry.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 57 contacts → | ||||
Partial evidence “At iCompaas, we specialize in affordable compliance automation solutions that seamlessly integrate with your existing environments.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 56 contacts → | ||||
Indirect evidence “We are now Acclarity.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 53 contacts → | ||||
Partial evidence “We provide superior compliance services to the political and non-profit communities by combining modern business principles, technology, and top-notch customer service with…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 53 contacts → | ||||
Partial evidence “MQMR helps its clients climb higher by bridging the gap between risk and compliance through its suite of risk-related services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 53 contacts → | ||||
Indirect evidence “Established in 2014, JKA has solidified its position as a leading US-based service provider.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 46 contacts → | ||||
Strong evidence “Johanson Group has provided Security & Compliance Audit Services to public and private companies in a variety of industries across the world.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 46 contacts → | ||||
Indirect evidence “Started in 2004, Affiliated Monitors was the first company in the United States to focus on providing top-quality, independent integrity monitoring services across a wide range of…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 44 contacts → | ||||
Partial evidence “We're a full-service agency that helps organizations globally with their Cybersecurity, Data Protection, and Compliance requirements.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 43 contacts → | ||||
Indirect evidence “Quality Auditing LLC is the industry leader in Quality Management System Auditing & Consulting for clients in highly-regulated industries, including Medical Device…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 40 contacts → | ||||
Partial evidence “Drummond is a leading and trusted compliance, conformance, and standards certification, testing, and validation services provider.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 38 contacts → | ||||
Indirect evidence “Allmond & Company, LLC, a small business, is a certified public accounting firm with a Federal accounting and auditing practice and an outstanding reputation for quality and…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 37 contacts → | ||||
Partial evidence “AARC-360 is a firm of Certified Public Accountants and Advisors that combine deep insights gained across industries to provide Assurance, Advisory, Risk, and Compliance services.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: compliance audit firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names compliance audit firms.
- Partial evidence
- Its own public description names part of compliance audit firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name compliance audit firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 587 compliance audit firms based in the United States
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Compliance audit firms based in the United States at a glance
As of Sep 19, 2026Companies by employee count
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 587 companies.
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 audit 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 the United States whose own description of what they do matches “compliance audit 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 audit 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 audit 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 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, 2,630 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 19, 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.
Compliance audit firms by metro
- Compliance audit firms in New York31
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 audit 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 audit firms are there based in the United States?
RevenueBase identified 587 compliance audit 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?
A-Lign, headquartered in Tampa, tops this list with the largest team on record.
Which city has the most compliance audit firms?
New York leads with 31 headquartered companies, followed by Houston (19) and Tampa (16).
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 2,630 verified decision-maker contacts tracked across these 587 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 19, 2026.
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Compliance audit firms by geography
- Compliance audit firms based in Australia
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- Compliance audit firms based in France
- Compliance audit firms based in Germany
- Compliance audit firms based in India
- Compliance audit firms based in Italy
- Compliance audit firms based in the Netherlands
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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.