Company lists · Data refreshed September 2026

Top 25 Quality system consulting firms based in Spain

RevenueBase identified 641 quality system consulting firms headquartered in Spain as of September 2026 and tracks 31,859 professional contacts across them, including 736 with verified work emails. Madrid is the largest hub.

This list covers quality system consulting firms headquartered in Spain, 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.

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
641Companies
31,859Contacts tracked
736Verified emails
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The 25 largest quality system consulting firms based in Spain

Ranked by team size
Top 25 of 641 quality system consulting firms based in Spain, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to quality system 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.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceCórdoba, SpainHQ checked Sep 29, 2026n/a23,018 contacts →

Indirect evidence

“Calidad y Gestión es una empresa consultora de ámbito internacional especializada en servicios de asesoría en las siguientes áreas: Calidad Medio Ambiente Responsabilidad social…”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceMadrid, SpainHQ checked Sep 29, 2026501-1,000686 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
3Indirect evidenceBilbao, SpainHQ checked Sep 29, 2026501-1,000526 contacts →

Indirect evidence

“Boslan, now part of Accenture, is a consolidated and solvent company supported by its numerous references developed for an important portfolio of clients.”

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceMadrid, SpainHQ checked Sep 29, 2026501-1,000386 contacts →

Indirect evidence

“Somos una compañía cuya filosofía se basa en generar valor para nuestros clientes por medio de la mejora de la gestión de sus organizaciones.”

Source: RevenueBase Database · checked Sep 29, 2026
5Partial evidenceMadrid, SpainHQ checked Sep 29, 2026501-1,000231 contacts →

Partial evidence

“we have provided high-end engineering services to ensure safety, quality, and regulatory compliance across critical infrastructures and strategic industrial sectors.”

Source: RevenueBase Database · checked Sep 29, 2026
6Indirect evidenceMadrid, SpainHQ checked Sep 29, 2026201-500162 contacts →

Indirect evidence

“Gesein nace en 1993 en Madrid.”

Source: RevenueBase Database · checked Sep 29, 2026
7Partial evidenceAlcobendas, SpainHQ checked Sep 29, 202651-200143 contacts →

Partial evidence

“Qualipharma is a pharmaceutical consultancy (Lifesciences Compliance & Regulatory) offering global services in the pharmaceutical and bio-health industry.”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceMadrid, SpainHQ checked Sep 29, 202651-200120 contacts →

Indirect evidence

“At GlobalSuite Solutions we are dedicated to providing and implementing solutions in matters of Risks, Security, Continuity, Legal Compliance, Auditing, Privacy among others.”

Source: RevenueBase Database · checked Sep 29, 2026
9Partial evidenceMadrid, SpainHQ checked Sep 29, 202651-20094 contacts →

Partial evidence

“LedaMC helps its clients to increase the IT contribution to business through improvement of providers’ management, increase in productivity, software testing optimization, quality…”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceTerrassa, SpainHQ checked Sep 29, 202611-5054 contacts →

Indirect evidence

“COMSER es una empresa dedicada a dar servicio de consultoría, validación, audits e ingeniería para el sector regulado GMP con un alto grado de adaptación a las diferentes…”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceSant Quize Valles, SpainHQ checked Sep 29, 202651-20044 contacts →

Indirect evidence

“Biotecnal realiza ensayos analíticos enfocados al aseguramiento de la calidad y cumplimiento de la normativa.”

Source: RevenueBase Database · checked Sep 29, 2026
12Strong evidenceGetxo, SpainHQ checked Sep 29, 202651-20042 contacts →

Strong evidence

“Software Quality Systems (SQS, SA) is a provider of QA and Testing solutions.”

Source: RevenueBase Database · checked Sep 29, 2026
13Strong evidencePozuelo De Alarcón, SpainHQ checked Sep 29, 202611-5039 contacts →

Strong evidence

“We are a consulting firm specializing in national and international projects for the implementation of management systems, whose mission is to help companies grow and succeed.”

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceMadrid, SpainHQ checked Sep 29, 202611-5038 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
15Partial evidenceMadrid, SpainHQ checked Sep 29, 202611-5037 contacts →

Partial evidence

“Worldlex is formed by a team of lawyers, technicians and consultants with over 30 years of experience in the environment, health and safety, quality and food safety international…”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceSevilla, SpainHQ checked Sep 29, 202611-5036 contacts →

Indirect evidence

“Take a Tip es una consultora especializada en proporcionar a las empresas medios con los que conseguir la excelencia en la calidad de los servicios que prestan a sus clientes.”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceSpainHQ checked Sep 29, 202611-5036 contacts →

Indirect evidence

“Emc2 es una consultora especializada en temas de gestión y calidad en el sector servicios.”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidenceMadrid, SpainHQ checked Sep 29, 202611-5036 contacts →

Indirect evidence

“NQA es un organismo de certificación global que se caracteriza por proporcionar servicios de certificación y formación técnicamente avanzados y adaptados a las necesidades de toda…”

Source: RevenueBase Database · checked Sep 29, 2026
19Indirect evidenceMálaga, SpainHQ checked Sep 29, 202611-5035 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceOntinyent, SpainHQ checked Sep 29, 202611-5032 contacts →

Indirect evidence

“Somos Grupo Innova, una Consultoría Integral para PYMES en la Comunidad Valenciana, ubicados en Ontinyent, capital de la Vall d'Albaida.”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceDonostia, SpainHQ checked Sep 29, 202611-5031 contacts →

Indirect evidence

“Grupo Gisma es una organización especialista en consultoría en el ámbito de Sistemas (Calidad, Medio Ambiente, PRL y Referenciales Sectoriales), Formación (Desarrollo de…”

Source: RevenueBase Database · checked Sep 29, 2026
22Indirect evidenceBarcelona, SpainHQ checked Sep 29, 202611-5031 contacts →

Indirect evidence

“BCN Consultors contribuye al desarrollo de las empresas con visión de futuro, dando respuesta a sus necesidades con un equipo de profesionales altamente cualificados, tecnología…”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceSevilla, SpainHQ checked Sep 29, 202611-5029 contacts →

Indirect evidence

“SOLUCIONES GLOBALES presta servicios de asesoramiento y consultoría a empresas de diversos sectores.”

Source: RevenueBase Database · checked Sep 29, 2026
24Indirect evidenceTerrassa, SpainHQ checked Sep 29, 202651-20029 contacts →

Indirect evidence

“Empresa dedicada al control de calidad de construcción”

Source: RevenueBase Database · checked Sep 29, 2026
25Indirect evidenceValencia, SpainHQ checked Sep 29, 202611-5028 contacts →

Indirect evidence

“Formación a empresas y entidades.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 641 quality system consulting firms based in Spain

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Quality system consulting firms based in Spain at a glance

As of Sep 29, 2026
2.3%Verified-email coverage
49.7Average contacts per company
1-10Median size (employees)
18.3%Largest-city concentration · Madrid
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
465
11-50
139
51-200
21
201-500
5
501-1,000
5
1,001-5,000
2
5,001-10,000
2
10001+
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 641 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 quality system 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.
What qualifies
Companies headquartered in Spain whose own description of what they do matches “quality system 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 quality system 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 quality system consulting firms, and records with no verified work email. Companies headquartered outside Spain 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, 736 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.

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 quality system 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 quality system consulting firms are there based in Spain?

RevenueBase identified 641 quality system consulting firms headquartered in Spain 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?

Autonomo, headquartered in Cordoba, tops this list with the largest team on record.

Which city has the most quality system consulting firms?

Madrid leads with 117 headquartered companies, followed by Barcelona (61) and Sevilla (22).

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 736 verified decision-maker contacts tracked across these 641 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.