Company lists · Data refreshed September 2026

Top 25 Iso 27001 audit consultants based in the United States

RevenueBase identified 346 company matches for iso 27001 audit consultants associated with the United States as of September 2026 and tracks 2,293 professional contacts across them, including 768 with verified work emails. Houston is the largest hub.

This list covers company matches for iso 27001 audit consultants 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 28, 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 28, 2026 How this list was built
346Companies
2,293Contacts tracked
768Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest iso 27001 audit consultants based in the United States

Ranked by team size
Top 25 of 346 company matches for iso 27001 audit consultants based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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 matchTampa, FL, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
2Exact matchChantilly, VA, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
3Exact matchThe Woodlands, TX, United StatesHQ recorded Sep 28, 202651-20085 contacts →

Exact match

“INTERCERT is a multinational auditing company headquartered in Texas, United States operating at 28+ countries.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4Exact matchIrving, TX, United StatesHQ recorded Sep 28, 202651-20078 contacts →

Exact match

“Dexperts Inc is a professional services firm that is focused on Identity & Access Management and Privileged Access Management, infrastructure security.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5Exact matchLas Vegas, NV, United StatesHQ recorded Sep 28, 2026201-50077 contacts →

Exact match

“Ardur Technology an ISO 27001:2022 Certified organization is registered as a business unit in Las Vegas, USA.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6Exact matchLewisburg, PA, United StatesHQ recorded Sep 28, 202611-5057 contacts →

Exact match

“Core Business Solutions specializes in the needs of small businesses seeking ISO 9001 certification.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7Exact matchColorado Springs, CO, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
8Exact matchDraper, UT, United StatesHQ recorded Sep 28, 202611-5046 contacts →

Exact match

“The Axeon Difference Axeon Corporation is a customer-focused, practical and approachable, technically sound training and consulting firm.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9Exact matchDayton, OH, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
10Exact matchFort Lauderdale, FL, United StatesHQ recorded Sep 28, 202611-5043 contacts →

Exact match

“For over three decades, Datasec has been a beacon of excellence in information security, data protection, and cybersecurity, playing a pivotal role in shaping IT management…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11Exact matchSpring, TX, United StatesHQ recorded Sep 28, 2026n/a41 contacts →

Exact match

“ABS Quality Evaluations, Inc.(ABS QE) is a global leader in quality assurance and business improvement services with over 30 years of experience.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12Exact matchSeattle, WA, United StatesHQ recorded Sep 28, 2026n/a33 contacts →

Exact match

“Advantage Partners is a security & compliance organization dedicated to helping emerging technology companies navigate the complexities of security and compliance.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13Exact matchNew York, NY, United StatesHQ recorded Sep 28, 202651-20032 contacts →

Exact match

“VISTA InfoSec is a vendor-neutral company providing Risk Compliance and Information Security Advisory Services to organizations for the past 20 years (established in 2004).”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14Exact matchHouston, TX, United StatesHQ recorded Sep 28, 202611-5029 contacts →

Exact match

“The ISO 9001 Group is a full-service business and management system consulting, auditing and training firm based in Houston, Texas.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15Exact matchWashington, DC, United StatesHQ recorded Sep 28, 20261-1022 contacts →

Exact match

“FY Consulting | ISO & Cybersecurity Consultants ISO 9001 · ISO 27001 · AS9100 · ISO 13485 · CMMC · NIST 800-171 We build management systems around real business processes, not…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16Exact matchTampa, FL, United StatesHQ recorded Sep 28, 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 28, 2026 · View company records in RevenueBase
17Exact matchNew York, NY, United StatesHQ recorded Sep 28, 202651-20021 contacts →

Exact match

“Gotham Digital Science (GDS) was acquired in 2016 by Stroz Friedberg, an Aon company.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18Exact matchTowson, MD, United StatesHQ recorded Sep 28, 202611-5020 contacts →

Exact match

“Aplura is an experienced information security consultancy with a proven track record of creating the kinds of tailored, flexible solutions our government, private sector and…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19Exact matchHamilton Township, NJ, United StatesHQ recorded Sep 28, 2026n/a20 contacts →

Exact match

“Most of our clients need to prove they are secure and compliant to key stakeholders like their clients, regulators or their board.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20Exact matchTroy, MI, United StatesHQ recorded Sep 28, 202651-20018 contacts →

Exact match

“Perry Johnson Consulting, Inc.(PJC) is one of the world’s leading consulting organizations for international management systems standards.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21Exact matchEl Dorado Hills, CA, United StatesHQ recorded Sep 28, 202611-5017 contacts →

Exact match

“Consilium Labs is an independent conformity assessment body delivering objective, standards-based audits and assessments for organizations operating in security, privacy, AI…”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22Exact matchSan Carlos, CA, United StatesHQ recorded Sep 28, 202611-5017 contacts →

Exact match

“Emagined Security is a leading provider of professional services for Information Security and Compliance solutions.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23Exact matchAudubon, PA, United StatesHQ recorded Sep 28, 202611-5014 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24Exact matchSalt Lake City, UT, United StatesHQ recorded Sep 28, 20261-1014 contacts →

Exact match

“Compliance Help is a company of qualified business consultants specializing in assisting organizations meet the requirements of International Management System standards.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25Exact matchPennsauken, NJ, United StatesHQ recorded Sep 28, 20261-1014 contacts →

Exact match

“Cyber Cops, is a premium cyber security company and is committed to safeguarding your digital world and protecting your most valuable assets.”

Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

Showing 25 of 346 iso 27001 audit consultants based in the United States

See the full list, filter by size, metro and specialty, and access 768 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Iso 27001 audit consultants based in the United States at a glance

As of Sep 28, 2026
33.5%Verified-email coverage
6.6Average contacts per company
1-10Median size (employees)
5.5%Largest-city concentration · Houston
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
226
11-50
95
51-200
14
201-500
6
501-1,000
1
1,001-5,000
1
5,001-10,000
3

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 346 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 “iso 27001 audit consultants” 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 768 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 28, 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 “iso 27001 audit consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iso 27001 audit consultants are there based in the United States?

RevenueBase identified 346 company matches for iso 27001 audit consultants 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?

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

Which city has the most iso 27001 audit consultants?

Houston leads with 19 company records, followed by Los Angeles (9) and Atlanta (8).

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 768 professional contacts with verified work emails tracked across these 346 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 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 346 iso 27001 audit consultants 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.