Company lists · Data refreshed November 2026

Top 25 Validation consulting services based in the United States

RevenueBase identified 72 company matches for validation consulting services associated with the United States as of November 2026 and tracks 585 professional contacts across them, including 144 with verified work emails. Houston is the largest hub.

This list covers company matches for validation consulting services 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 November 6, 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 Nov 6, 2026 How this list was built
72Companies
585Contacts tracked
144Verified emails
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The 25 largest validation consulting services based in the United States

Ranked by team size
Top 25 of 72 company matches for validation consulting services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchShawnee, PA, United StatesHQ recorded Nov 6, 202651-20091 contacts →

Exact match

“cGMP Validation was established in 1997 as a full service validation/compliance firm offering services for the pharmaceutical, bulk pharmaceutical, animal health, biotechnology…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“VTI Life Sciences is an ISO Certified Company with the experience, expertise, and commitment to provide the superior service required to meet all of your validation and compliance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchCharlotte, NC, United StatesHQ recorded Nov 6, 202651-20057 contacts →

Exact match

“We provide services in Computer System Validation of cloud based applications and Automation systems, Commissioning, Qualification and Validation (CQV), Equipment Validation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWarrenville, IL, United StatesHQ recorded Nov 6, 202651-20054 contacts →

Exact match

“Arbour Group LLC is a regulatory compliance firm that provides full-scope regulatory products and services for computer systems within pharmaceutical, medical device, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHerndon, VA, United StatesHQ recorded Nov 6, 202651-20045 contacts →

Exact match

“Headquartered in Herndon, VA, Validation Associates LLC is a staffing and professional services firm led by a management team with over 25 years of industry experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchRocky Mount, NC, United StatesHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“We Deliver Confidence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchPalo Alto, CA, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Validation Systems, Inc.(VSI) has been in business for over 20 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMckinney, TX, United StatesHQ recorded Nov 6, 20261-1017 contacts →

Exact match

“We offer a full range of validation and engineering services, from seminars to the validation of an entire facility.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchJacksonville, FL, United StatesHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Validated Cloud is a reality!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchColumbus, OH, United StatesHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“We do things the Integral way.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBlairstown, NJ, United StatesHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“KRA, LLC serves as a worldwide provider of validation, quality assurance and compliance services to the biotech, pharmaceutical and medical device / diagnostic industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-507 contacts →

Exact match

“A global Independent Verification and Validation (IV & V) firm specializing in developing and delivering products and services to optimize and streamline the validation process…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSparta, NJ, United StatesHQ recorded Nov 6, 202651-2006 contacts →

Exact match

“Medvacon is an MBE/SBE certified life sciences consulting firm helping regulated companies turn quality and compliance pressure into systems they can trust.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBethesda, MD, United StatesHQ recorded Nov 6, 202611-504 contacts →

Exact match

“AltaQ provides global regulatory, quality, compliance, and validation consulting services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchTorrance, CA, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Sound Life Science Services helps Validation Engineers and Quality professionals in the life science industry do their jobs with confidence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchHunt Valley, MD, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“Started in 2001 as a validation services provider, Quality Solutions, LLC is continually developing a portfolio of services to provide a high-quality, cost-effective solution to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSykesville, MD, United StatesHQ recorded Nov 6, 202651-2004 contacts →

Exact match

“Cirdan Group, Inc.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLake Forest, IL, United StatesHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Chicago Controls is an innovative solutions provider dedicated to providing innovative Validation, Instrumentation & Controls, Project Management and Regulatory Compliance…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchSanta Cruz, United StatesHQ recorded Nov 6, 202611-503 contacts →

Exact match

“GxP Consulting Group, Inc was founded in July 2016 and excels at providing a skilled, experienced team members with a genuine desire to be supportive and helpful in fulling…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLanghorne, PA, United StatesHQ recorded Nov 6, 202611-503 contacts →

Exact match

“We are a professional consulting firm providing a full range of services from consulting assessment and requirements through project management solution strategies, implementation…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchMalvern, PA, United StatesHQ recorded Nov 6, 20261-103 contacts →

Exact match

“ACE C&Q, LLC, provides high quality services in Validation, Commissioning, Regulatory Compliance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchEncinitas, CA, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“SoCal Sciences (SCS) provides a full range of Quality, Compliance, and Validation Services to the Pharmaceutical, BioTech, Medical Device, and Diagnostic industries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLong Beach, NY, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“MMcCS is the outcome of 25 years’ exposure to software services, validation, metrology and industry training within the ISO/cGMP market.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchLambertville, MI, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Quality Systems Compliance LLC serves the needs of businesses working in the ISO and FDA GMP Regulated Industries including Medical Devices, Pharmaceuticals, Tissues, Quality…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchThousand Oaks, CA, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Validation Engineering Worldwide Inc (VEWW) provides clients with comprehensive validation testing and compliance packages for use in the Food and Drug Administration (FDA)…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 72 validation consulting services based in the United States

See the full list, filter by size, metro and specialty, and access 144 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Validation consulting services based in the United States at a glance

As of Nov 6, 2026
24.6%Verified-email coverage
8.1Average contacts per company
1-10Median size (employees)
4.2%Largest-city concentration · Houston
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
48
11-50
14
51-200
10

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 72 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 “validation consulting services” 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 144 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 November 6, 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 “validation consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many validation consulting services are there based in the United States?

RevenueBase identified 72 company matches for validation consulting services associated with the United States as of November 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?

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

Which city has the most validation consulting services?

Houston leads with 3 company records, followed by Atlanta (2) and Chicago (2).

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 144 professional contacts with verified work emails tracked across these 72 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 November 6, 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.