Company lists · Data refreshed November 2026

Top 25 Iso 9001 audit firms based in Spain

RevenueBase identified 262 company matches for iso 9001 audit firms associated with Spain as of November 2026 and tracks 6,035 professional contacts across them, including 731 with verified work emails. Madrid is the largest hub.

This list covers company matches for iso 9001 audit firms associated with Spain, 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.

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
262Companies
6,035Contacts tracked
731Verified emails
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The 25 largest iso 9001 audit firms based in Spain

Ranked by team size
Top 25 of 262 company matches for iso 9001 audit firms based in Spain, 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 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
2Exact matchMadrid, SpainHQ recorded Nov 6, 2026501-1,000732 contacts →

Exact match

“Consultora especializada en servicios de Aseguramiento de la Calidad del Software dirigidos a controlar y mejorar los costes, plazos y calidad del ciclo de vida de los productos…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchMadrid, SpainHQ recorded Nov 6, 2026201-500316 contacts →

Exact match

“EQA es una entidad internacional de certificación, verificación e inspección, con más de 25 años de trayectoria.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchPalma De Mallorca, SpainHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“As of 2004 and during the last 20 years, Preverisk Group has established itself within the international auditing, consultancy and training environment, servicing touristic and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAlmería, SpainHQ recorded Nov 6, 202651-200116 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchUtrera, SpainHQ recorded Nov 6, 202611-5053 contacts →

Exact match

“SOHISCERT, Sociedad Hispana de Certificación S.A, es un Organismo de Control y Certificación Agroalimentaria líder en el sector, dedicada a la realización de auditorías y la…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5041 contacts →

Exact match

“Grupo ACMS es un grupo empresarial que opera, desde hace más de 12 años, a nivel nacional y cuya actividad principal es el diseño, implantación y mantenimiento de Sistemas de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Expertos en consultoría, asesoría y auditoría para todo tipo de empresas.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMálaga, SpainHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“GRUPO DE AUDITORES PÚBLICOS es el resultado de la unión de diferentes profesionales con el objetivo de proporcionar un servicio uniforme y de alto valor añadido en los sectores de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“CET Auditores, S.L.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“ACCM es una entidad de certificación de sistemas de gestión (Calidad, Medio Ambiente, Riesgos Laborales, Responsabilidad Social Corporativa.) y producto (equipamientos infantiles…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchBarcelona, SpainHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Anexia es una empresa que ofrece servicios de consultoría en normalización desde 2002.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMadrid, SpainHQ recorded Nov 6, 20261-1016 contacts →

Exact match

“CAVALA es un gabinete de asesoría empresarial que se dedica a la implantación, auditoría y mantenimiento de Sistemas de Gestión de Calidad, Seguridad y Salud en el Trabajo, Medio…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMadrid, SpainHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“International Global Certification, S.A.(IGC) es una compañía internacional de servicios de certificación, con sede central en Panamá y que presta servicios en Costa Rica…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchPozuelo De Alarcón, SpainHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Soluciones Q.E.S, somos una consultora de estrategia y operaciones experta en implementaciones ISO, ENS y SQAS.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchA Coruña, SpainHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“La andadura de AT Consultores & Auditores se inicia en el año 1989.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchBizkaia - Madrid - Alicante, SpainHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“ADOK CERTIFICACIÓN es una entidad acreditada para la certificación de sistemas de gestión en diversas áreas de gestión: Calidad, Medio Ambiente, Responsabilidad Social, Seguridad…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchValencia, SpainHQ recorded Nov 6, 202611-5013 contacts →

Exact match

“Argano Asesores somos una empresa valenciana que nace con la misión de ofrecer a nuestros clientes un servicio de calidad y altamente especializado, que les ayude a desarrollar su…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchDerio, SpainHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“URS SPAIN forma parte de URS Holdings, grupo líder global en certificación, con presencia en más de 60 países y miles de organizaciones certificadas en todo el mundo.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchValencia, SpainHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Our activity is exclusively focused on the performance of Audit and Assurance services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchZaragoza, SpainHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Somos una firma especializada en auditoría de cuentas con sede en Zaragoza.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchPaterna, SpainHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“CQM CONSULTORÍA SGV S.L enfoca su principal actividades en los Sistemas de Gestión de Integrados Calidad, Medio Ambiente, Seguridad-Salud, Seguridad alimentaria y Recursos…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMadrid, SpainHQ recorded Nov 6, 20261-1011 contacts →

Exact match

“FISA AUDITORES es una compañía de auditoría y consultoría formada por un equipo de profesionales altamente cualificados y con amplia experiencia en auditoría, gestión de empresas…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSanta Cruz De Tenerife, SpainHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Canaudit S.L.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchValdemoro, SpainHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“We are a company that provides #Consultancy services in #Quality Management, Environment, Health and Safety at Work, Information Security, Organic Law on Data Protection and…”

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

Showing 25 of 262 iso 9001 audit firms based in Spain

See the full list, filter by size, metro and specialty, and access 731 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Iso 9001 audit firms based in Spain at a glance

As of Nov 6, 2026
12.1%Verified-email coverage
23.0Average contacts per company
1-10Median size (employees)
24.0%Largest-city concentration · Madrid
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
177
11-50
70
51-200
8
201-500
3
501-1,000
2
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 262 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 Spain whose business descriptions match “iso 9001 audit 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 731 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.

Iso 9001 audit firms by metro

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 “iso 9001 audit firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iso 9001 audit firms are there based in Spain?

RevenueBase identified 262 company matches for iso 9001 audit firms associated with Spain 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?

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

Which city has the most iso 9001 audit firms?

Madrid leads with 63 company records, followed by Barcelona (19) and Valencia (14).

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 731 professional contacts with verified work emails tracked across these 262 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.