Company lists · Data refreshed September 2026

Top 25 Software validation services based in the United States

RevenueBase identified 191 company matches for software validation services associated with the United States as of September 2026 and tracks 5,607 professional contacts across them, including 1,162 with verified work emails. San Diego is the largest hub.

This list covers company matches for software validation 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 September 29, 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 29, 2026 How this list was built
191Companies
5,607Contacts tracked
1,162Verified emails
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The 25 largest software validation services based in the United States

Ranked by team size
Top 25 of 191 company matches for software validation services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 29, 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 matchDecatur, GA, United StatesHQ recorded Sep 29, 20261,001-5,000980 contacts →

Exact match

“a1qa is a global software testing and QA outsourcing company trusted by IT firms and Fortune 500 enterprises to deliver software quality that holds under real-world pressure.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchIndianapolis, IN, United StatesHQ recorded Sep 29, 2026501-1,000417 contacts →

Exact match

“iLAB specializes in Software Quality Assurance services, providing global solutions to our customers.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchSan Mateo, CA, United StatesHQ recorded Sep 29, 2026501-1,000403 contacts →

Exact match

“We are celebrating 30 years of testing excellence and innovation at LogiGear, we're proud to be a cornerstone in our clients' journeys, delivering confidence not just in our…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact matchTX, United StatesHQ recorded Sep 29, 2026501-1,000347 contacts →

Exact match

“Quality Professionals (Q-Pros) is a global independent software Quality Assurance and Testing services provider supporting enterprise and government organizations.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
5Exact matchNY, United StatesHQ recorded Sep 29, 2026201-500186 contacts →

Exact match

“Kualitatem empowers businesses to deliver quality software.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
6Exact matchPlano, United StatesHQ recorded Sep 29, 2026201-500181 contacts →

Exact match

“Welcome to ImpactQA – Where Excellence Meets Innovation in Software Testing and QA Consulting About Us ImpactQA is a premier Software Testing and QA consultancy delivering…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchBoise, ID, United StatesHQ recorded Sep 29, 202651-200157 contacts →

Exact match

“QualityLogic delivers full spectrum QA products and services to technology companies in rapidly evolving markets, or where transformative technologies are changing the world.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchRedmond, WA, United StatesHQ recorded Sep 29, 202651-200128 contacts →

Exact match

“FleXasoft is a Redmond, Washington based software consulting firm specializing in Software Development and Quality Assurance Testing.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchMoraga, CA, United StatesHQ recorded Sep 29, 202611-50120 contacts →

Exact match

“Total Validation Services (TVS) is an industry leader in delivering practical and cost-effective commissioning, qualification, and validation solutions, in addition to project…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchReston, VA, United StatesHQ recorded Sep 29, 202651-20090 contacts →

Exact match

“Since 1988, TrustedQA’s mission has been to help our customers build and deliver quality software more efficiently, effectively, and securely.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchShawnee, KS, United StatesHQ recorded Sep 29, 202651-20084 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 · Sep 29, 2026 · View company records in RevenueBase
12Exact matchSt. Louis Park, United StatesHQ recorded Sep 29, 202651-20082 contacts →

Exact match

“SWAT is a leading QA company in the technology industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchPrinceton, NJ, United StatesHQ recorded Sep 29, 202651-20079 contacts →

Exact match

“STS is a full service IT consulting company headquartered in Princeton, New Jersey serving the communications, life sciences and financial service markets.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchRedding, CA, United StatesHQ recorded Sep 29, 202651-20074 contacts →

Exact match

“Shasta QA is an American OurSourcing software-testing company with offices located in Northern California and the Midwest.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchCharlotte, NC, United StatesHQ recorded Sep 29, 202651-20068 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 · Sep 29, 2026 · View company records in RevenueBase
16Exact matchSan Diego, CA, United StatesHQ recorded Sep 29, 202651-20066 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 · Sep 29, 2026 · View company records in RevenueBase
17Exact matchWarrenville, IL, United StatesHQ recorded Sep 29, 202651-20065 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 · Sep 29, 2026 · View company records in RevenueBase
18Exact matchSouthlake, TX, United StatesHQ recorded Sep 29, 202651-20056 contacts →

Exact match

“Since 2004, DOTS Technologies Inc.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchRoyersford, PA, United StatesHQ recorded Sep 29, 202651-20054 contacts →

Exact match

“Valspec is the leading provider of computer system validation and system life cycle (SLC) services including the testing, commissioning and qualification of manufacturing…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchSouth Plainfield, NJ, United StatesHQ recorded Sep 29, 2026201-50053 contacts →

Exact match

“United Pharma Technologies (UPT) is a global life-science services company delivering CQV, validation, quality, automation, and regulatory compliance solutions to the…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchHerndon, VA, United StatesHQ recorded Sep 29, 202651-20043 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 · Sep 29, 2026 · View company records in RevenueBase
22Exact matchSan Diego, CA, United StatesHQ recorded Sep 29, 202611-5040 contacts →

Exact match

“We specialize in Engineering, Validation, Regulatory, IT, and Non-IT related areas primarily focused on Pharmaceutical / Life Sciences and Medical devices, health care companies.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
23Exact matchWilmington, DE, United StatesHQ recorded Sep 29, 2026201-50040 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchPleasanton, CA, United StatesHQ recorded Sep 29, 202611-5038 contacts →

Exact match

“RxCloud is a professional services organization focused exclusively on Pharma, Biotech and Medical device industries.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact matchLos Angeles, CA, United StatesHQ recorded Sep 29, 202651-20034 contacts →

Exact match

“Quality Tech Lab is a leading context-driven company offering a comprehensive range of cost-effective software development and testing services.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase

Showing 25 of 191 software validation services based in the United States

See the full list, filter by size, metro and specialty, and access 1,162 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Software validation services based in the United States at a glance

As of Sep 29, 2026
20.7%Verified-email coverage
29.4Average contacts per company
11-50Median size (employees)
4.2%Largest-city concentration · San Diego
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
88
11-50
49
51-200
39
201-500
7
501-1,000
5
1,001-5,000
2
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 191 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 “software validation 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 1,162 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 29, 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 “software validation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

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

RevenueBase identified 191 company matches for software validation services 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?

A1qa tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most software validation services?

San Diego leads with 8 company records, followed by Houston (4) and Los Angeles (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 1,162 professional contacts with verified work emails tracked across these 191 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 29, 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.