Company lists · Data refreshed September 2026

Top 25 Internal audit companies based in the United States

RevenueBase identified 125 company matches for internal audit companies associated with the United States as of September 2026 and tracks 679 professional contacts across them, including 259 with verified work emails. Los Angeles is the largest hub.

This list covers company matches for internal audit companies 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 September 21, 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 21, 2026 How this list was built
125Companies
679Contacts tracked
259Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest internal audit companies based in the United States

Ranked by team size
Top 25 of 125 company matches for internal audit companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchAlexandria, VA, United StatesHQ recorded Sep 21, 2026201-500134 contacts →

Exact match

“Cotton is an audit and accounting firm located in Old Town Alexandria, VA.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchBuena Park, CA, United StatesHQ recorded Sep 21, 202651-20036 contacts →

Exact match

“At AuditOne, we believe internal audit should do more than satisfy regulatory expectations, it should strengthen organizations, improve decision-making, and create lasting value.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchTulsa, OK, United StatesHQ recorded Sep 21, 202651-20025 contacts →

Exact match

“Overview CBIZ Stinnett helps companies manage risk and improve performance to operate better, smarter, and faster.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchPhiladelphia, PA, United StatesHQ recorded Sep 21, 202611-5025 contacts →

Exact match

“Detail obsessed.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchDenver, CO, United StatesHQ recorded Sep 21, 202611-5019 contacts →

Exact match

“Cooper-Richards is a Denver-based firm that specializes in independent IT risk management, internal audit, accounting and finance management, and regulatory compliance services…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchSacramento, CA, United StatesHQ recorded Sep 21, 202611-5018 contacts →

Exact match

“Sjoberg Evashenk Consulting provides practical solutions for improving state and local government operations, programs, service delivery, and public accountability.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchFolsom, CA, United StatesHQ recorded Sep 21, 202611-5017 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchAudubon, PA, United StatesHQ recorded Sep 21, 202611-5014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchIndianapolis, IN, United StatesHQ recorded Sep 21, 2026201-50014 contacts →

Exact match

“The mission of The Institute of Internal Auditors (The IIA) is to provide dynamic leadership for the global profession of internal auditing.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchNovi, MI, United StatesHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“Risk is a key challenge for any organization.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchNew York, NY, United StatesHQ recorded Sep 21, 202611-5011 contacts →

Exact match

“Top notch services at reasonable cost RGS Global Advisors has a wealth of internal audit, FDICIA and SOX testing, remediation, consultancy, BSA/AML/OFAC, IT/IS/Cybersecurity &…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchRancho Santa Margarita, CA, United StatesHQ recorded Sep 21, 20261-1011 contacts →

Exact match

“RADD LLC is an all-in-one internal auditing and compliance consulting firm that helps financial institutions optimize returns, mitigate risk, and protect their brand’s reputation.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchOrlando, FL, United StatesHQ recorded Sep 21, 20261-1011 contacts →

Exact match

“VHG Consulting is a Global professional consulting services Firm in the areas of Internal Audit, Associations, and Corporations.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchAtlanta, GA, United StatesHQ recorded Sep 21, 20261-109 contacts →

Exact match

“AssurancePoint is a quality-focused information security audit and compliance advisory firm.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchLos Angeles, CA, United StatesHQ recorded Sep 21, 202611-509 contacts →

Exact match

“Expert Audit Services has earned a reputation for performing accurate, quality audits on a timely basis to its customers.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchHonolulu, HI, United StatesHQ recorded Sep 21, 20261-109 contacts →

Exact match

“R!SC as provider of Risk Management, Internal Audit, IT Assurance, Compliance, and Security Advisory services can assist top management in navigating business risks and focusing…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchLas Vegas, United StatesHQ recorded Sep 21, 202611-508 contacts →

Exact match

“Bush & Associates is a PCAOB-licensed audit firm dedicated to setting the highest standard in the industry for technical expertise, efficiency, and client service.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchAddison, TX, United StatesHQ recorded Sep 21, 202611-508 contacts →

Exact match

“Asterix Global Services helps clients navigate the intricate realm of corporate compliance, governance, accounting, tax, and risk management.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchTampa, FL, United StatesHQ recorded Sep 21, 202611-508 contacts →

Exact match

“Since 2008, the Control Logics team has implemented risk management methodologies at over 250 companies located in North America, Europe and Asia.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchTampa, FL, United StatesHQ recorded Sep 21, 2026201-5007 contacts →

Exact match

“Wolters Kluwer TeamMate Audit Management Solutions is the world's leading internal audit and assurance expert solution with over 25 years dedicated to advancing corporate…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchOlympia, WA, United StatesHQ recorded Sep 21, 202611-507 contacts →

Exact match

“Compliance Services Group, LLC is the product of two nationally respected companies that provide responsive and high-quality compliance consulting and audit services for financial…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchOklahoma City, OK, United StatesHQ recorded Sep 21, 202611-507 contacts →

Exact match

“Consulting, Regulatory Compliance and Internal Audit Solutions LET'S BUILD A BETTER BANK The best banking is based on relationships.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchAtlanta, GA, United StatesHQ recorded Sep 21, 20261-107 contacts →

Exact match

“Co- and outsourced internal audit activities for community banks, including BSA/AML and model validation.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchTamarac, FL, United StatesHQ recorded Sep 21, 202611-506 contacts →

Exact match

“RNB Capital is an audit and advisory firm focused on helping growth-stage companies prepare for capital, complexity, and scrutiny.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchAtlanta, United StatesHQ recorded Sep 21, 20261-106 contacts →

Exact match

“Since 2009, TurnKey Compliance (formerly TurnKey IT Solutions) has provided outsourced compliance and internal audit services, including SOC 2, SOX 404, ISO27001, PCI, GDPR and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 125 internal audit companies based in the United States

See the full list, filter by size, metro and specialty, and access 259 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Internal audit companies based in the United States at a glance

As of Sep 21, 2026
38.1%Verified-email coverage
5.4Average contacts per company
1-10Median size (employees)
4.0%Largest-city concentration · Los Angeles
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
85
11-50
30
51-200
4
201-500
5
5,001-10,000
1

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 125 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 “internal audit companies” 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 259 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 21, 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 “internal audit companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many internal audit companies are there based in the United States?

RevenueBase identified 125 company matches for internal audit companies associated with the 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?

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

Which city has the most internal audit companies?

Los Angeles leads with 5 company records, followed by Atlanta (4) and New York (4).

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 259 professional contacts with verified work emails tracked across these 125 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 21, 2026.

Ready to reach these companies? Verified emails and direct dials for all 125 internal audit companies based in the United States. Start with a free account, no credit card.

Download this list →

Related lists

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.