Company lists · Data refreshed September 2026

Top 25 Pharmaceutical auditing firms based in the United States

Name: Pharmaceutical auditing firms based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 17, 2026 546 companies tracked

RevenueBase identified 546 company matches for pharmaceutical auditing firms associated with the United States as of September 2026 and tracks 7,204 professional contacts across them, including 3,077 with verified work emails. San Diego is the largest hub.

This list covers company matches for pharmaceutical auditing 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 17, 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 17, 2026 How this list was built

546Companies

7,204Contacts tracked

3,077Verified emails

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The 25 largest pharmaceutical auditing firms based in the United States

Ranked by team size

Top 25 of 546 company matches for pharmaceutical auditing firms based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 17, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Bioagilytix	Exact match	Durham, NC, United StatesHQ recorded Sep 17, 2026	1,001-5,000	915 contacts →
	Exact match “BioAgilytix is a leading global contract research organization focused on supporting pharmaceutical and biotech partners in all phases of drug development.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
2	QPS Holdings, LLC	Exact match	Newark, DE, United StatesHQ recorded Sep 17, 2026	1,001-5,000	592 contacts →
	Exact match “QPS is a GLP/GCP-compliant contract research organization (CRO) delivering the highest grade of discovery, preclinical, and clinical drug development services.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
3	ARL BIO Pharma	Exact match	Oklahoma City, OK, United StatesHQ recorded Sep 17, 2026	201-500	286 contacts →
	Exact match “ARL Bio Pharma is a contract laboratory that provides analytical and microbiological testing for the pharmaceutical industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
4	Valsource INC	Exact match	Downingtown, PA, United StatesHQ recorded Sep 17, 2026	201-500	245 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 17, 2026 · View company records in RevenueBase
5	PRO QC International	Exact match	Mchenry, IL, United StatesHQ recorded Sep 17, 2026	501-1,000	211 contacts →
	Exact match “Pro QC International provides tailored quality solutions with a human touch in 100 countries.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
6	Lachman Consultant Services	Exact match	Westbury, NY, United StatesHQ recorded Sep 17, 2026	51-200	179 contacts →
	Exact match “Quality & Compliance \| Regulatory Strategy \| Inspection Readiness & Remediation \| Data Integrity.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
7	Norwich Pharma Services	Exact match	Norwich, NY, United StatesHQ recorded Sep 17, 2026	201-500	174 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 17, 2026 · View company records in RevenueBase
8	MMR Consulting	Exact match	Carlsbad, CA, United StatesHQ recorded Sep 17, 2026	51-200	124 contacts →
	Exact match “MMR Consulting Inc.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
9	Xogene	Exact match	Englewood, NJ, United StatesHQ recorded Sep 17, 2026	51-200	113 contacts →
	Exact match “Offering flexibility, in-depth regulatory knowledge, and technical expertise in the area of Transparency and Clinical Trial disclosure, Xogene offers quality outsourcing of…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
10	Masuu Global Solutions	Exact match	Miami, FL, United StatesHQ recorded Sep 17, 2026	201-500	106 contacts →
	Exact match “Masuu with over 280 Subject Matter Experts (SMEs) and a leadership/scientific advisory team featuring former personnel from health authorities like the USFDA, EMA, MHRA, ANVISA…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
11	MRC Medical Research Consultants	Exact match	Houston, TX, United StatesHQ recorded Sep 17, 2026	201-500	104 contacts →
	Exact match “Medical Research Consultants (MRC) specializes in Record Retrieval & Management, Nurse Audits & Analysis, and Regulatory Compliance services to Legal, Pharmaceutical, Healthcare &…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
12	NSF	Exact match	Ann Arbor, MI, United StatesHQ recorded Sep 17, 2026	5,001-10,000	101 contacts →
	Exact match “NSF works with pharmaceutical, medical devices, and in vitro diagnostic companies, large and small, to provide highly customized end-to-end services throughout the product…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
13	Wellpartner, INC	Exact match	Tualatin, OR, United StatesHQ recorded Sep 17, 2026	51-200	91 contacts →
	Exact match “Wellpartner® helps Covered Entities stay ahead of 340B Program changes and avoid disruption.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
14	Eurofins Infinity Laboratory Group, INC	Exact match	Lancaster, CO, United StatesHQ recorded Sep 17, 2026	51-200	86 contacts →
	Exact match “Infinity Laboratories, now part of Eurofins network of laboratories, is a leading contract testing organization with a national network of state-of-the-art facilities, ensuring…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
15	Cgmp Validation LLC	Exact match	Shawnee, KS, United StatesHQ recorded Sep 17, 2026	51-200	84 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 17, 2026 · View company records in RevenueBase
16	Advize	Exact match	Orlando, FL, United StatesHQ recorded Sep 17, 2026	51-200	81 contacts →
	Exact match “After nearly two decades of auditing large data sets and performing extrapolation for increased ROI for payers, Advize has shifted focus to building relationships with providers…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
17	Eagle Certification Group	Exact match	Dayton, OH, United StatesHQ recorded Sep 17, 2026	11-50	80 contacts →
	Exact match “Since 1994, EAGLE has built an excellent reputation by providing third party auditing services that are objective and value-added.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
18	Scendea	Exact match	Washington, DC, United StatesHQ recorded Sep 17, 2026	51-200	76 contacts →
	Exact match “Scendea is an international product development, regulatory, and compliance consulting group serving the pharmaceutical and biotechnology industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
19	Cresen Solutions	Exact match	Exton, PA, United StatesHQ recorded Sep 17, 2026	51-200	74 contacts →
	Exact match “Cresen Solutions, founded in 2015, delivers specialized, high-quality services to the life sciences industry.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
20	Global Clinical Trials GCT	Exact match	Princeton, NJ, United StatesHQ recorded Sep 17, 2026	51-200	74 contacts →
	Exact match “Global Clinical Trials (GCT) is a premium contract-research organization (CRO) that offers support for the clinical Phase I-IV studies as well as post-marketing activities to Big…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
21	Regulatory Compliance Associates RCA	Exact match	Pleasant Prairie, WI, United StatesHQ recorded Sep 17, 2026	51-200	67 contacts →
	Exact match “Regulatory Compliance Associates Inc.(RCA) is a team of experienced professionals from FDA-regulated industries including pharmaceutical, biologics and medical device.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
22	Arbour Group LLC	Exact match	Warrenville, IL, United StatesHQ recorded Sep 17, 2026	51-200	65 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 17, 2026 · View company records in RevenueBase
23	Solvias Usa, LLC	Exact match	Canton, MA, United StatesHQ recorded Sep 17, 2026	11-50	63 contacts →
	Exact match “A FDA Registered, DEA Licensed CRO providing expertise in Regulated QC monograph testing; CMC Data production; Bio-analytical analysis Extractables/Leachables assessment; and…” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
24	Fdaqrc	Exact match	Cedar Park, TX, United StatesHQ recorded Sep 17, 2026	11-50	62 contacts →
	Exact match “FDAQRC offers specialized quality consulting, regulatory compliance and quality assurance for Pharmaceutical, Medical Device and Biotech companies.” Recorded in the RevenueBase company graph · Sep 17, 2026 · View company records in RevenueBase
25	United Pharma Technologies INC	Exact match	South Plainfield, NJ, United StatesHQ recorded Sep 17, 2026	201-500	53 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 17, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “pharmaceutical auditing firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 546 pharmaceutical auditing firms based in the United States

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Pharmaceutical auditing firms based in the United States at a glance

As of Sep 17, 2026

42.7%Verified-email coverage

13.2Average contacts per company

1-10Median size (employees)

2.4%Largest-city concentration · San Diego

Sep 17, 2026Page data refreshed

Companies by employee count

1-10

334

11-50

143

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 546 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 auditing 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 3,077 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 17, 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 auditing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many pharmaceutical auditing firms are there based in the United States?

RevenueBase identified 546 company matches for pharmaceutical auditing 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?

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

Which city has the most pharmaceutical auditing firms?

San Diego leads with 13 company records, followed by Atlanta (11) and New York (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 3,077 professional contacts with verified work emails tracked across these 546 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 17, 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.