Company lists · Data refreshed September 2026

Top 25 Pharmaceutical quality assurance consulting firms based in the United States

RevenueBase identified 1,953 company matches for pharmaceutical quality assurance consulting firms associated with the United States as of September 2026 and tracks 23,788 professional contacts across them, including 8,588 with verified work emails. Boston is the largest hub.

This list covers company matches for pharmaceutical quality assurance consulting firms 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
1,953Companies
23,788Contacts tracked
8,588Verified emails
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The 25 largest pharmaceutical quality assurance consulting firms based in the United States

Ranked by team size
Top 25 of 1,953 company matches for pharmaceutical quality assurance consulting firms 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 matchRaleigh, NC, United StatesHQ recorded Sep 29, 20261,001-5,0002,079 contacts →

Exact match

“At ProPharma, we help pharmaceutical, biotechnology, and medical device companies bring life-changing therapies to market.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
2Exact matchPittsburgh, PA, United StatesHQ recorded Sep 29, 2026501-1,000860 contacts →

Exact match

“For over 25 years, Caliber has helped regulated industries modernize quality, laboratory, and manufacturing operations through software built for regulatory compliance.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
3Exact matchRed Bank, NJ, United StatesHQ recorded Sep 29, 2026501-1,000596 contacts →

Exact match

“Astrix is the global leader in delivering innovative strategies and solutions to the life sciences industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
4Exact 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
5Exact 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
6Exact matchFishers, IN, United StatesHQ recorded Sep 29, 2026501-1,000323 contacts →

Exact match

“Verista is a leading business and technology consultancy firm that provides systems, compliance, validation and quality solutions to life science companies - enabling them to…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
7Exact matchBridgewater, NJ, United StatesHQ recorded Sep 29, 2026201-500284 contacts →

Exact match

“ESS is a Pharmacovigilance service provider with the mindset to provide excellent compliance and quality deliverables.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
8Exact matchCarlsbad, CA, United StatesHQ recorded Sep 29, 2026201-500266 contacts →

Exact match

“Vaisesika Consulting is a global tech and consulting firm that helps businesses transform their digital setups and stay compliant in a straightforward way.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
9Exact matchDowningtown, PA, United StatesHQ recorded Sep 29, 2026201-500245 contacts →

Exact match

“Since 1996, ValSource has worked with hundreds of pharmaceutical, biopharma, and medical device organizations around the world.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
10Exact matchMorrisville, NC, United StatesHQ recorded Sep 29, 2026201-500239 contacts →

Exact match

“Kymanox (‘ki-mah-noks’), meaning Ideal Knowledge Transfer, is your trusted partner in advancing life science innovation.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
11Exact matchMorrisville, NC, United StatesHQ recorded Sep 29, 2026201-500232 contacts →

Exact match

“Sequence, LLC provides turn-key consulting solutions and services for the biopharmaceutical manufacturing industry, specializing in Commissioning, Qualification and Validation…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
12Exact matchWashington, DC, United StatesHQ recorded Sep 29, 202651-200226 contacts →

Exact match

“MCRA, an IQVIA business, is a leading full-service medical device, diagnostics, and biologics CRO and consulting advisory firm helping global healthcare companies maximize the…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
13Exact matchMchenry, IL, United StatesHQ recorded Sep 29, 2026501-1,000211 contacts →

Exact match

“Pro QC International provides tailored quality solutions with a human touch in 100 countries.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
14Exact matchMarlborough, MA, United StatesHQ recorded Sep 29, 2026201-500194 contacts →

Exact match

“Enhanced Compliance Inc.(ECI) is a global life sciences partner delivering integrated quality, regulatory, and compliance expertise-combined with hands-on engineering execution…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
15Exact matchWestbury, NY, United StatesHQ recorded Sep 29, 202651-200179 contacts →

Exact match

“Quality & Compliance | Regulatory Strategy | Inspection Readiness & Remediation | Data Integrity.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
16Exact matchWilmington, NC, United StatesHQ recorded Sep 29, 2026201-500177 contacts →

Exact match

“QCL is science driven, quality focused, and responsive.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
17Exact matchNorwich, NY, United StatesHQ recorded Sep 29, 2026201-500174 contacts →

Exact match

“Norwich is a leading provider of contract manufacturing and clinical services for the pharmaceuticals industry.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
18Exact matchParsippany, NJ, United StatesHQ recorded Sep 29, 202651-200169 contacts →

Exact match

“At SSI Strategy, we're strategic partners deeply invested in our clients' success.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
19Exact matchSanta Barbara, CA, United StatesHQ recorded Sep 29, 2026201-500165 contacts →

Exact match

“At USDM Life Sciences, we empower life sciences organizations to drive innovation through intelligent operations.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
20Exact matchPrinceton, NJ, United StatesHQ recorded Sep 29, 202651-200143 contacts →

Exact match

“Nextrove is an industry leader in Life Sciences Professional Services and Solutions, and headquartered in the United States (Princeton, NJ) with additional offices in the UK…”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
21Exact matchMiami, FL, United StatesHQ recorded Sep 29, 202651-200142 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
22Exact 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
23Exact matchCarlsbad, CA, United StatesHQ recorded Sep 29, 202651-200124 contacts →

Exact match

“MMR Consulting Inc.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
24Exact matchWilmington, DE, United StatesHQ recorded Sep 29, 20261,001-5,000124 contacts →

Exact match

“As a leader in professional services, MSR Technology Group ignites growth for businesses across diverse industries.”

Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase
25Exact 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

Showing 25 of 1,953 pharmaceutical quality assurance consulting firms based in the United States

See the full list, filter by size, metro and specialty, and access 8,588 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Pharmaceutical quality assurance consulting firms based in the United States at a glance

As of Sep 29, 2026
36.1%Verified-email coverage
12.2Average contacts per company
1-10Median size (employees)
2.3%Largest-city concentration · Boston
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
1,356
11-50
405
51-200
136
201-500
26
501-1,000
17
1,001-5,000
6
5,001-10,000
4

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 1,953 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 “pharmaceutical quality assurance consulting firms” 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 8,588 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 “pharmaceutical quality assurance consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pharmaceutical quality assurance consulting firms are there based in the United States?

RevenueBase identified 1,953 company matches for pharmaceutical quality assurance consulting firms 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?

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

Which city has the most pharmaceutical quality assurance consulting firms?

Boston leads with 45 company records, followed by San Diego (45) and Raleigh (31).

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 8,588 professional contacts with verified work emails tracked across these 1,953 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.