Company lists · Data refreshed November 2026

Top 25 Certification and accreditation services worldwide

RevenueBase identified 2,796 company matches for certification and accreditation services worldwide as of November 2026 and tracks 137,794 professional contacts across them, including 38,340 with verified work emails. India is the largest market and Istanbul the largest hub.

This list covers company matches for certification and accreditation services worldwide, 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 November 6, 2026. Country and city lists for certification and accreditation services follow the table.

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 Nov 6, 2026 How this list was built
2,796Companies
137,794Contacts tracked
38,340Verified emails
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The 25 largest certification and accreditation services worldwide

Ranked by team size
Top 25 of 2,796 company matches for certification and accreditation services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchParis, United KingdomHQ recorded Nov 6, 202610001+50,489 contacts →

Exact match

“Bureau Veritas is a world leader in Testing, Inspection and Certification.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHøvik, NorwayHQ recorded Nov 6, 202610001+16,914 contacts →

Exact match

“DNV is the independent expert in risk management and assurance, operating in more than 100 countries.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMunich, GermanyHQ recorded Nov 6, 202610001+14,378 contacts →

Exact match

“TÜV SÜD is the trusted partner of choice for safety, security and sustainability solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchCologne, GermanyHQ recorded Nov 6, 202610001+8,583 contacts →

Exact match

“Neutral, independent third party For more than 150 years, TÜV Rheinland has stood for ensuring quality, safety, and efficiency in conjunction with people, the environment, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchSant Cugat Del Valles, SpainHQ recorded Nov 6, 20261,001-5,0003,061 contacts →

Exact match

“OCA Global is a private business group –with headquarters in Spain–, dedicated to inspection, quality control, certification, testing, consulting, and training activities.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchFrankfurt, GermanyHQ recorded Nov 6, 20261,001-5,0001,466 contacts →

Exact match

“DQS – Leveraging Quality, Driving Success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchVilvoorde, BelgiumHQ recorded Nov 6, 20261,001-5,0001,314 contacts →

Exact match

“Vinçotte (a Kiwa company since May 2022) offers objective and advisory services in inspection, certification, conformity assessment and training.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMadrid, SpainHQ recorded Nov 6, 2026501-1,0001,022 contacts →

Exact match

“AENOR is a global company, that identifies and helps organizations to overcome relevant competitiveness gaps.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchBogotá, ColombiaHQ recorded Nov 6, 2026201-500987 contacts →

Exact match

“Somos una organización con amplia cobertura internacional sin ánimo de lucro, creado en 1963, con el objetivo de responder a las necesidades de los diferentes sectores económicos…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPinhais, BrazilHQ recorded Nov 6, 2026501-1,000721 contacts →

Exact match

“A Kuhlmann atua na área de supervisão e controle de cargas desde 1989.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchTucson, AB, United StatesHQ recorded Nov 6, 2026n/a620 contacts →

Exact match

“CARF International is an independent, nonprofit accreditor of health and human services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchStaines-upon-thames, United KingdomHQ recorded Nov 6, 2026201-500471 contacts →

Exact match

“UKAS is the world’s leading #accreditation body delivering confidence in products and services, and supporting global value chains.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 6, 2026201-500461 contacts →

Exact match

“TÜV NORD Indonesia, member of TÜV NORD GROUP Germany, is one of certification, inspection and testing service providers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchParis, FranceHQ recorded Nov 6, 202651-200436 contacts →

Exact match

“Démarche volontaire ou réglementaire, l’accréditation consiste à évaluer et reconnaître la compétence technique ainsi que l’impartialité des organismes d’évaluation de la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchOttawa, ON, CanadaHQ recorded Nov 6, 2026201-500358 contacts →

Exact match

“Accreditation Canada (AC) empowers and enables organizations to meet national and global standards with innovative programs that are customized to local needs.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSon, NetherlandsHQ recorded Nov 6, 2026201-500316 contacts →

Exact match

“TÜV NORD Nederland is part of the international TÜV NORD Group and has been contributing to the daily success of many companies in the Netherlands and abroad through the provision…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBuenos Aires, ArgentinaHQ recorded Nov 6, 2026201-500313 contacts →

Exact match

“Lenor es un “Organismo de Evaluación de la Conformidad”, integrado por Organismo de Certificación, Organismo de Inspección, Servicios Industriales, Laboratorios de Ensayos y…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchEssen, GermanyHQ recorded Nov 6, 202610001+299 contacts →

Exact match

“TÜV NORD and its testing, inspection, and certification companies make our world safer and are a driving force for global innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchCary, NC, United StatesHQ recorded Nov 6, 2026201-500298 contacts →

Exact match

“Accreditation Commission for Health Care (ACHC) is a leader in accreditation and related education, trusted by healthcare organizations internationally.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchDunstable, MA, United KingdomHQ recorded Nov 6, 2026501-1,000289 contacts →

Exact match

“NQA is a leading global certification body, respected for providing flexible and supportive certification and training services that are technically advanced and meet the needs of…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAnkara, TürkiyeHQ recorded Nov 6, 2026201-500287 contacts →

Exact match

“Türk Akreditasyon Kurumu kısa adıyla TÜRKAK, uygunluk değerlendirme kuruluşlarını akredite etmek, bu kuruluşların ulusal ve uluslararası standartlara göre faaliyette bulunmalarını…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchUtrecht, NetherlandsHQ recorded Nov 6, 202651-200271 contacts →

Exact match

“The "Raad voor Accreditatie"(Dutch Accreditation Council RvA) is the national accreditation body in the Netherlands for accreditation of conformity assessment bodies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchZollikofen, SwitzerlandHQ recorded Nov 6, 202651-200263 contacts →

Exact match

“The Swiss Association for Quality and Management Systems (SQS) is Switzerland's leading organisation for certification and assessment services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchİzmir, TürkiyeHQ recorded Nov 6, 2026201-500226 contacts →

Exact match

“Stop letting compliance risks slow down your global trade.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchBangalore, IndiaHQ recorded Nov 6, 2026n/a215 contacts →

Exact match

“Dear Sir/Madam, This is Mahendra, I would first like to take this opportunity to introduce my company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 2,796 certification and accreditation services worldwide

See the full list, filter by size, metro and specialty, and access 38,340 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Certification and accreditation services worldwide at a glance

As of Nov 6, 2026
27.8%Verified-email coverage
49.3Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,137
11-50
1,103
51-200
351
201-500
113
501-1,000
39
1,001-5,000
12
5,001-10,000
6
10001+
17

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for certification and accreditation services are linked below.
What qualifies
Company records worldwide whose business descriptions match “certification and accreditation 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. 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 38,340 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 November 6, 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.

Certification and accreditation services by location

15 lists · largest first

Every Certification and accreditation services list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “certification and accreditation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many certification and accreditation services are there worldwide?

RevenueBase identified 2,796 company matches for certification and accreditation services worldwide as of November 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?

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

Which country has the most certification and accreditation services?

India leads with 260 companies, followed by Brazil (195) and the United States (185). Every certification and accreditation services list by country and city is linked on this page.

Which city has the most certification and accreditation services?

Istanbul leads with 44 company records, followed by Sao Paulo (40) and London (39).

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 38,340 professional contacts with verified work emails tracked across these 2,796 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 November 6, 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.