Company lists · Data refreshed September 2026

Top 25 Validation consulting firms worldwide

Name: Validation consulting firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 29, 2026 1,542 companies tracked

RevenueBase identified 1,542 validation consulting firms worldwide as of September 2026 and tracks 15,654 professional contacts across them, including 5,270 with verified work emails. The United States is the largest market and Sao Paulo the largest hub.

This list covers validation consulting firms worldwide, 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 29, 2026. Country and city lists for validation consulting firms follow the table.

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 29, 2026 86% judged on-target in blind review

1,542Companies

15,654Contacts tracked

5,270Verified emails

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The 25 largest validation consulting firms worldwide

Ranked by team size

Top 25 of 1,542 validation consulting firms worldwide, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to validation consulting firms: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	EFOR	Indirect evidence	Champagne-au-mont-d’or, FranceHQ checked Sep 29, 2026	1,001-5,000	1,451 contacts →
	Indirect evidence “Efor Group \| The Global Leader in Life Science Quality & Compliance Founded in 2013, Efor Group is today the world leader in Quality & Compliance for the Life Sciences industry.” Source: RevenueBase Database · checked Sep 29, 2026
2	ELLAB	Indirect evidence	Hilleroed, GermanyHQ checked Sep 29, 2026	501-1,000	671 contacts →
	Indirect evidence “Compliance isn’t just a checkbox - it’s the foundation of trust, safety, and success in life science.” Source: RevenueBase Database · checked Sep 29, 2026
3	Verista	Partial evidence	Fishers, IN, United StatesHQ checked Sep 29, 2026	501-1,000	323 contacts →
	Partial 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 29, 2026
4	Kneat Solutions	Partial evidence	Limerick, IrelandHQ checked Sep 29, 2026	201-500	315 contacts →
	Partial evidence “Kneat's award-winning AI-assisted digital validation platform Kneat Gx™ is transforming how highly regulated companies create, manage, and maintain compliant validation programs.” Source: RevenueBase Database · checked Sep 29, 2026
5	Valsource INC	Indirect evidence	Downingtown, PA, United StatesHQ checked Sep 29, 2026	201-500	245 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 29, 2026
6	Sequence INC	Strong evidence	Morrisville, NC, United StatesHQ checked Sep 29, 2026	201-500	232 contacts →
	Strong 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 29, 2026
7	Pharmazone	Partial evidence	Ahmedabad, IndiaHQ checked Sep 29, 2026	51-200	225 contacts →
	Partial evidence “Pharmazone is a leading Consulting company with a strong legacy of trust amongst the global Pharmaceutical & Life Sciences industry.” Source: RevenueBase Database · checked Sep 29, 2026
8	Pharmeng Technology	Indirect evidence	Toronto, ON, CanadaHQ checked Sep 29, 2026	201-500	214 contacts →
	Indirect evidence “PharmEng Technology, now part of Efor Group, leader in Compliance Engineering, is a leading provider of technical services and solutions to the pharmaceutical, biotechnology, and…” Source: RevenueBase Database · checked Sep 29, 2026
9	Lachman Consultant Services	Indirect evidence	Westbury, NY, United StatesHQ checked Sep 29, 2026	51-200	179 contacts →
	Indirect evidence “Quality & Compliance \| Regulatory Strategy \| Inspection Readiness & Remediation \| Data Integrity.” Source: RevenueBase Database · checked Sep 29, 2026
10	ICARE	Indirect evidence	Saint Beauzire, FranceHQ checked Sep 29, 2026	51-200	176 contacts →
	Indirect evidence “Groupe ICARE : Votre partenaire expert de la sécurité des produits de santé Avec 30 ans d’expérience, le Groupe ICARE se distingue comme un leader en matière de normalisation et…” Source: RevenueBase Database · checked Sep 29, 2026
11	Performance Validation	Partial evidence	Indianapolis, IN, United StatesHQ checked Sep 29, 2026	51-200	167 contacts →
	Partial evidence “Performance Validation (PV) is a global validation partner for pharmaceutical and medical device manufacturers.” Source: RevenueBase Database · checked Sep 29, 2026
12	MMR Consulting	Partial evidence	Carlsbad, CA, United StatesHQ checked Sep 29, 2026	51-200	124 contacts →
	Partial evidence “MMR Consulting Inc.” Source: RevenueBase Database · checked Sep 29, 2026
13	Total Validation Services	Partial evidence	Moraga, CA, United StatesHQ checked Sep 29, 2026	11-50	120 contacts →
	Partial 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 29, 2026
14	Adeodata Csv, C&q And Project Management Services	Partial evidence	Bregnano, United StatesHQ checked Sep 29, 2026	51-200	114 contacts →
	Partial evidence “Since 2001, Adeodata has been a trusted provider of comprehensive validation, compliance, and data-driven solutions to the Life Science industry worldwide.” Source: RevenueBase Database · checked Sep 29, 2026
15	CSV Life Science Group	Partial evidence	Milan, ItalyHQ checked Sep 29, 2026	51-200	112 contacts →
	Partial evidence “Italian Group of companies offering Engineering, Construction, Validation and GxP Compliance Services for the Secondary Pharmaceutical Industry, Medical Device Manufacturers…” Source: RevenueBase Database · checked Sep 29, 2026
16	Project Delivery Partners	Partial evidence	Singapore, United StatesHQ checked Sep 29, 2026	201-500	109 contacts →
	Partial evidence “Project Delivery Partners is a specialized project delivery consulting company encompassing strong project management and technical expertise; providing specialist services to the…” Source: RevenueBase Database · checked Sep 29, 2026
17	S-4-B-T - Solution	Indirect evidence	Latina, ItalyHQ checked Sep 29, 2026	51-200	106 contacts →
	Indirect evidence “We are an ISO 9001 certified organization made up of 70 specialists.” Source: RevenueBase Database · checked Sep 29, 2026
18	S.T.B. Valitech S.R.L	Indirect evidence	Sabaudia, ItalyHQ checked Sep 29, 2026	51-200	103 contacts →
	Indirect evidence “S.T.B.” Source: RevenueBase Database · checked Sep 29, 2026
19	Rephine	Indirect evidence	Stevenage, United KingdomHQ checked Sep 29, 2026	51-200	102 contacts →
	Indirect evidence “Global experts in quality assurance & GxP compliance across pharmaceutical, biotech & medical device manufacturing supply chains Who is Rephine?” Source: RevenueBase Database · checked Sep 29, 2026
20	Validation & Engineering Group, INC	Partial evidence	Guaynabo, Puerto RicoHQ checked Sep 29, 2026	51-200	101 contacts →
	Partial evidence “Validation & Engineering Group, Proudly serving our clients since 1997.” Source: RevenueBase Database · checked Sep 29, 2026
21	Incepbio	Partial evidence	Bangalore, IndiaHQ checked Sep 29, 2026	201-500	98 contacts →
	Partial evidence “IncepBio is a specialized biotech consulting and engineering company helping organizations build inspection-ready CAR-T and GMP facilities.” Source: RevenueBase Database · checked Sep 29, 2026
22	Quality Assurance Management, INC	Indirect evidence	United StatesHQ checked Sep 29, 2026	51-200	97 contacts →
	Indirect evidence “3rd party QA/QC company” Source: RevenueBase Database · checked Sep 29, 2026
23	Quality Compliance	Indirect evidence	Sao Paulo, BrazilHQ checked Sep 29, 2026	201-500	95 contacts →
	Indirect evidence “Somos uma empresa que oferece excelência em soluções voltadas à consultoria, aos treinamentos técnicos e às qualificações e validações no segmento Ciências da Vida.” Source: RevenueBase Database · checked Sep 29, 2026
24	YXION	Indirect evidence	Weesp, NetherlandsHQ checked Sep 29, 2026	51-200	90 contacts →
	Indirect evidence “Yxion BV is one of the leading companies in the Netherlands.” Source: RevenueBase Database · checked Sep 29, 2026
25	NO Deviation	Indirect evidence	SingaporeHQ checked Sep 29, 2026	51-200	88 contacts →
	Indirect evidence “Founded in 2007, No deviation is a trusted partner to pharmaceutical and biotech companies seeking smarter ways to deliver compliance.” Source: RevenueBase Database · checked Sep 29, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: validation consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names validation consulting firms.
Partial evidence: Its own public description names part of validation consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name validation consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 1,542 validation consulting firms worldwide

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Validation consulting firms worldwide at a glance

As of Sep 29, 2026

33.7%Verified-email coverage

10.2Average contacts per company

1-10Median size (employees)

1.6%Largest-city concentration · Sao Paulo

Sep 29, 2026Page data refreshed

Companies by employee count

1-10

982

11-50

410

51-200

120

201-500

501-1,000

1,001-5,000

Email recency is reported on each country list linked below.

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 validation consulting firms, 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.
Coverage: Every country. Country and city lists for validation consulting firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “validation consulting firms”. 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 validation consulting firms), 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 validation consulting firms, and records with no verified work email.
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, 5,270 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 29, 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.

Validation consulting firms by location

12 lists · largest first

Every Validation consulting firms list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

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 validation consulting firms, 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 validation consulting firms are there worldwide?

RevenueBase identified 1,542 validation consulting firms worldwide 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?

EFOR, headquartered in Champagne-Au-Mont-Dor, tops this list with the largest team on record.

Which country has the most validation consulting firms?

The United States leads with 422 companies, followed by India (133) and the United Kingdom (71). Every validation consulting firms list by country and city is linked on this page.

Which city has the most validation consulting firms?

Sao Paulo leads with 25 headquartered companies, followed by San Diego (16) and Ahmedabad (15).

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 5,270 verified decision-maker contacts tracked across these 1,542 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 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 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.