Company lists · Data refreshed September 2026

Top 25 IT audit companies based in the United States

RevenueBase identified 289 company matches for IT audit companies associated with the United States as of September 2026 and tracks 2,696 professional contacts across them, including 1,188 with verified work emails. Tampa is the largest hub.

This list covers company matches for IT 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 20, 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 20, 2026 How this list was built
289Companies
2,696Contacts tracked
1,188Verified emails
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The 25 largest IT audit companies based in the United States

Ranked by team size
Top 25 of 289 company matches for IT audit companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchNew York, NY, United StatesHQ recorded Sep 20, 2026201-500243 contacts →

Exact match

“Thoropass is the only end-to-end cybersecurity auditor.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchTampa, FL, United StatesHQ recorded Sep 20, 2026201-500174 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchChantilly, VA, United StatesHQ recorded Sep 20, 20261,001-5,000170 contacts →

Exact match

“Trusted By 2,880+ World-Class Brands And Organizations Of All Sizes…!”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchNashville, TN, United StatesHQ recorded Sep 20, 202651-200139 contacts →

Exact match

“KirkpatrickPrice is a licensed information security CPA firm, a PCI QSA, and a HITRUST CSF Assessor, providing assurance services to over clients worldwide.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchAlexandria, VA, United StatesHQ recorded Sep 20, 2026n/a113 contacts →

Exact match

“Strategic Security is an IT Security consulting firm that provides in-depth technical security assessments of your network, web application, and regulatory compliance gap analysis…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchMadison, SD, United StatesHQ recorded Sep 20, 202651-200105 contacts →

Exact match

“SBS CyberSecurity, LLC (SBS) is a premier cybersecurity consulting and audit firm.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchLas Vegas, NV, United StatesHQ recorded Sep 20, 202651-20054 contacts →

Exact match

“CyberGuard Advantage is a cybersecurity advisory and compliance firm helping organizations navigate today’s complex risk, privacy, and regulatory environment.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchNorth Providence, RI, United StatesHQ recorded Sep 20, 202611-5051 contacts →

Exact match

“Founded in 2010, Compass IT Compliance is a nationwide leader in providing IT security, compliance, and risk management services to organizations of all sizes in all industries.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchCleveland, OH, United StatesHQ recorded Sep 20, 202611-5047 contacts →

Exact match

“RISCPoint is proud to offer a comprehensive suite of business focused cybersecurity and compliance services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchColorado Springs, CO, United StatesHQ recorded Sep 20, 202651-20046 contacts →

Exact match

“Johanson Group has provided Security & Compliance Audit Services to public and private companies in a variety of industries across the world.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchBirmingham, AL, United StatesHQ recorded Sep 20, 202611-5046 contacts →

Exact match

“SecurIT360 is a unique company driven by Cyber knowledge and applying it to eliminate blind spots.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchDayton, OH, United StatesHQ recorded Sep 20, 202611-5044 contacts →

Exact match

“We're a full-service agency that helps organizations globally with their Cybersecurity, Data Protection, and Compliance requirements.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchBuena Park, CA, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
14Exact matchAlexandria, VA, United StatesHQ recorded Sep 20, 202611-5032 contacts →

Exact match

“NETBankAudit is a unique financial industry audit and network security testing firm specializing in providing GLBA, FFIEC and SOX compliant assessment and audit services to…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchDenver, CO, United StatesHQ recorded Sep 20, 202611-5031 contacts →

Exact match

“Linford & Company LLP is a Denver-based Certified Public Accounting firm comprised of former “Big Four” auditors and Information Security experts.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchBraintree, MA, United StatesHQ recorded Sep 20, 202651-20031 contacts →

Exact match

“At OCD Tech, we provide independent and objective assurance of your IT controls.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchOverland Park, KS, United StatesHQ recorded Sep 20, 202611-5030 contacts →

Exact match

“As a national Information Security and Compliance firm, 10-D specializes in serving financial institutions, and has for 19 years.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchLafayette, IN, United StatesHQ recorded Sep 20, 202611-5030 contacts →

Exact match

“We provides a Managed SOC/SIEM as a Managed Security Service Provider (MSSP) and IT audit solutions as an audit firm.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchTampa, ID, United StatesHQ recorded Sep 20, 202611-5027 contacts →

Exact match

“Fastrics is an experienced IT Audit, Cybersecurity and Data Analytics firm adaptable to all sizes of projects and entities.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchStamford, CT, United StatesHQ recorded Sep 20, 202651-20023 contacts →

Exact match

“CYBERSECOP IS A PROUD CMMC-AB RPO & ISO 27001 CERTIFIED CyberSecOp supports information security and technology compliance, auditing, and regulation programs.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchFirestone, CO, United StatesHQ recorded Sep 20, 202611-5021 contacts →

Exact match

“DigeTekS is the only local, security-focused IT provider servicing financial institutions, hospitals, and local governments in cities across Wyoming, Colorado Front Range…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchTampa, FL, United StatesHQ recorded Sep 20, 202611-5021 contacts →

Exact match

“For 25 years, Securance Consulting has been the firm that security, compliance, and IT risk leaders call when the work is too important to hand off to a junior team.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchBlue Bell, PA, United StatesHQ recorded Sep 20, 20261-1021 contacts →

Exact match

“We provide Cyber Security Risk Assessments and Compliance Audits that are Obtainable, Simple and Affordable.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchSan Jose, CA, United StatesHQ recorded Sep 20, 202611-5021 contacts →

Exact match

“AuditSAP was founded by two very experienced IT Audit Practitioners who vow to focus their efforts to help organizations develop their IT Audit capability, automate audit…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchDenver, CO, United StatesHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase

Showing 25 of 289 IT audit companies based in the United States

See the full list, filter by size, metro and specialty, and access 1,188 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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IT audit companies based in the United States at a glance

As of Sep 20, 2026
44.1%Verified-email coverage
9.3Average contacts per company
1-10Median size (employees)
4.5%Largest-city concentration · Tampa
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
172
11-50
90
51-200
18
201-500
7
1,001-5,000
1
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 289 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 “IT 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 1,188 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 20, 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 “IT audit companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 289 company matches for IT 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?

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

Which city has the most IT audit companies?

Tampa leads with 13 company records, followed by Houston (10) and New York (10).

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 1,188 professional contacts with verified work emails tracked across these 289 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 20, 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.