Company lists · Data refreshed September 2026

Top 25 Gmp compliance consultants based in the United States

RevenueBase identified 888 gmp compliance consultants headquartered in the United States as of September 2026 and tracks 12,878 professional contacts across them, including 5,527 with verified work emails. Boston is the largest hub.

This list covers gmp compliance consultants headquartered in the United States, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
888Companies
12,878Contacts tracked
5,527Verified emails
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The 25 largest gmp compliance consultants based in the United States

Ranked by team size
Top 25 of 888 gmp compliance consultants based in the United States, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to gmp compliance consultants: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceRaleigh, NC, United StatesHQ checked Sep 20, 20261,001-5,0002,079 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceWilmington, NC, United StatesHQ checked Sep 20, 2026501-1,000991 contacts →

Indirect evidence

“Alcami is a US-based contract development and manufacturing organization headquartered in NC with 45+ years of experience advancing pharmaceuticals and biologics from development…”

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceOakdale, MN, United StatesHQ checked Sep 20, 2026501-1,000411 contacts →

Indirect evidence

“At Pace® Life Sciences, our people are driven by purpose, advancing science to improve lives across the pharmaceutical, biopharmaceutical, and gene therapy industries.”

Source: RevenueBase Database · checked Sep 20, 2026
4Strong evidenceFishers, IN, United StatesHQ checked Sep 20, 2026501-1,000323 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceDowningtown, PA, United StatesHQ checked Sep 20, 2026201-500245 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceMorrisville, NC, United StatesHQ checked Sep 20, 2026201-500239 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceMorrisville, NC, United StatesHQ checked Sep 20, 2026201-500232 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
8Partial evidenceWestbury, NY, United StatesHQ checked Sep 20, 202651-200179 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceWilmington, NC, United StatesHQ checked Sep 20, 2026201-500177 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceNorwich, NY, United StatesHQ checked Sep 20, 2026201-500174 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect evidenceCarlsbad, CA, United StatesHQ checked Sep 20, 202651-200124 contacts →

Indirect evidence

“MMR Consulting Inc.”

Source: RevenueBase Database · checked Sep 20, 2026
12Indirect evidenceMoraga, CA, United StatesHQ checked Sep 20, 202611-50120 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
13Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 20, 2026201-500120 contacts →

Partial evidence

“Validant has joined forces with our partner consultancy groups to reposition as one global regulatory brand: ELIQUENT Life Sciences.”

Source: RevenueBase Database · checked Sep 20, 2026
14Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 202651-200113 contacts →

Indirect evidence

“Opus Regulatory is a niche consulting firm headquartered in the Seaport district of Boston.”

Source: RevenueBase Database · checked Sep 20, 2026
15Indirect evidenceSan Ramon, CA, United StatesHQ checked Sep 20, 202651-200113 contacts →

Indirect evidence

“ADVENT provides a wide array of services supporting the entire phase of the product lifecycle - from conceptual design through production.”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceSouth Plainfield, NJ, United StatesHQ checked Sep 20, 202651-200112 contacts →

Indirect evidence

“Founded in 1996 J-STAR Research, Inc.”

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceMiami, FL, United StatesHQ checked Sep 20, 2026201-500106 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
18Partial evidenceShawnee, KS, United StatesHQ checked Sep 20, 202651-20084 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceAlexandria, VA, United StatesHQ checked Sep 20, 202651-20076 contacts →

Indirect evidence

“ABOUT Biologics Consulting is a complete FDA regulatory and product development consulting firm for cell & gene therapy, biologics, pharmaceuticals, and medical devices.”

Source: RevenueBase Database · checked Sep 20, 2026
20Partial evidenceWashington, DC, United StatesHQ checked Sep 20, 202651-20076 contacts →

Partial evidence

“Scendea is an international product development, regulatory, and compliance consulting group serving the pharmaceutical and biotechnology industry.”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceExton, PA, United StatesHQ checked Sep 20, 202651-20074 contacts →

Indirect evidence

“Cresen Solutions, founded in 2015, delivers specialized, high-quality services to the life sciences industry.”

Source: RevenueBase Database · checked Sep 20, 2026
22Indirect evidenceChicago, IL, United StatesHQ checked Sep 20, 2026201-50071 contacts →

Indirect evidence

“EVERSANA CONSULTING delivers global consulting services to address challenges across the product lifecycle in the pharmaceutical and biotechnology industries.”

Source: RevenueBase Database · checked Sep 20, 2026
23Indirect evidenceBoston, MA, United StatesHQ checked Sep 20, 20261,001-5,00070 contacts →

Indirect evidence

“Halloran Consulting Group, a ProductLifeGroup company, is a life science consulting firm that provides strategic regulatory, quality, clinical, and organizational support in the…”

Source: RevenueBase Database · checked Sep 20, 2026
24Indirect evidenceBurr Ridge, IL, United StatesHQ checked Sep 20, 202651-20069 contacts →

Indirect evidence

“VEQTOR serves the Life Science Industry with smart technology, industry process knowledge, and expert project managers to get to market first, faster, and within budget.”

Source: RevenueBase Database · checked Sep 20, 2026
25Indirect evidenceLake Forest, IL, United StatesHQ checked Sep 20, 202651-20068 contacts →

Indirect evidence

“Founded in 2001, cGMP Consulting Inc.”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 888 gmp compliance consultants based in the United States

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Gmp compliance consultants based in the United States at a glance

As of Sep 20, 2026
42.9%Verified-email coverage
14.5Average contacts per company
1-10Median size (employees)
3.3%Largest-city concentration · Boston
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
569
11-50
221
51-200
72
201-500
15
501-1,000
6
1,001-5,000
4
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 888 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among gmp compliance consultants, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in the United States whose own description of what they do matches “gmp compliance consultants”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names gmp compliance consultants), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among gmp compliance consultants, and records with no verified work email. Companies headquartered outside United States are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 5,527 across the full list. 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 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Gmp compliance consultants by metro

  • Gmp compliance consultants in Boston29
  • Gmp compliance consultants in San Diego28

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names gmp compliance consultants, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many gmp compliance consultants are there based in the United States?

RevenueBase identified 888 gmp compliance consultants headquartered in the United States as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Propharma, headquartered in Raleigh, tops this list with the largest team on record.

Which city has the most gmp compliance consultants?

Boston leads with 29 headquartered companies, followed by San Diego (28) and Raleigh (23).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 5,527 verified decision-maker contacts tracked across these 888 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 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 Smart Search, 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.