Company lists · Data refreshed September 2026
Top 25 IT provider for professional services firms based in Spain
RevenueBase identified 708 IT provider for professional services firms headquartered in Spain as of September 2026 and tracks 9,359 professional contacts across them, including 1,097 with verified work emails. Madrid is the largest hub.
This list covers IT provider for professional services 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 21, 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.
The 25 largest IT provider for professional services firms based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 890 contacts → | ||||
Indirect evidence “En Grant Thornton España ayudamos a que tu empresa vaya más allá.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 449 contacts → | ||||
Indirect evidence “Experiencia, especialización y calidad de servicio son los tres valores clave en los que SIRT basa su actividad y la relación con sus clientes.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 391 contacts → | ||||
Partial evidence “With about 2200 experts atSistemas delivers IT consulting, services and software development which to help organizations to be more efficient and profitable.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 204 contacts → | ||||
Partial evidence “En LIDER IT Consulting llevamos más de 40 años ayudando a nuestros clientes a mejorar la gestión mediante la consultoría, el desarrollo y la implantación de soluciones integradas.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 165 contacts → | ||||
Indirect evidence “Soluciones tecnológicas para rentabilizar su empresa.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 131 contacts → | ||||
Indirect evidence “Somos una empresa de servicios de asesoramiento para proyectos estratégicos y para el diseño y despliegue de infraestructuras de sistemas, servidores y gestión de almacenamiento…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 125 contacts → | ||||
Indirect evidence “Nologin is a company with advanced knowhow in the field of Information Technology, providing quality services and solutions for clients worldwide.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 121 contacts → | ||||
Indirect evidence “En Keapps creemos en un futuro mejor.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 101 contacts → | ||||
Indirect evidence “El Grupo Gefiscal es una Asesoría-Consultoría Integral, especializada en todo tipo de Empresas, Profesionales y Particulares.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 97 contacts → | ||||
Indirect evidence “VENTO es una firma de servicios profesionales que ofrece un servicio de asesoramiento jurídico, fiscal y de consultoría de negocio, especializado y de calidad contrastada, para…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 94 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 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 79 contacts → | ||||
Indirect evidence “MN program es la empresa Nº1 en ventas de software de gestión profesional.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 77 contacts → | ||||
Indirect evidence “ADADE CONSULTING GROUP is a business consulting group with offices in Spain, Portugal, Uruguay, Peru, Venezuela, Mexico, Ecuador, Guatemala, Colombia and United States and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 76 contacts → | ||||
Indirect evidence “Con más de 30 años de experiencia en el sector informático y de las telecomunicaciones, aportamos valor en nuestros clientes mediante soluciones de gestión empresarial que mejoran…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 76 contacts → | ||||
Indirect evidence “Áudea Seguridad de la Información es una consultora tecnológica, con 10 años de experiencia, que presta servicios profesionales relacionados con la gestión de la seguridad de la…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 76 contacts → | ||||
Partial evidence “GPIC es una empresa tecnológica con más de 30 años de experiencia ofreciendo soluciones IT a empresas y administraciones.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 74 contacts → | ||||
Partial evidence “ASEC, has been a major player in professional circles in Spain for more than 35 years.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 67 contacts → | ||||
Indirect evidence “HSI Grup nace en 1988 con el objetivo de ofrecer un sólido servicio de Mantenimiento Informático Profesional y Empresarial.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 65 contacts → | ||||
Indirect evidence “Con más de 25 años de experiencia y un gran equipo de profesionales, nuestra vocación es ayudarte en la evolución tecnológica y crecimiento de tu actividad profesional y…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 64 contacts → | ||||
Indirect evidence “ARENA Consulting es una empresa especializada en Tecnologías de la Información, que ofrece servicios de Consultoría, Desarrollo de Aplicaciones, Soporte y Administración de…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 61 contacts → | ||||
Indirect evidence “7Experts o una nueva manera de hacer consultoría En 2019, redefinimos un nuevo modelo de consultoría para ofrecer un enfoque fresco y efectivo con dos pilares fundamentales: el…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 60 contacts → | ||||
Indirect evidence “CEI Europe is a leading Tech consultancy firm in Spain which provides Business Solutions (ERP, CRM, Industry-specific software, Document management and Collaboration, BI) built on…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 56 contacts → | ||||
Indirect evidence “Servinet Sistemas y Comunicación S.L.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 54 contacts → | ||||
Indirect evidence “Empresa de servicios profesionales especializada en auditoría, servicios de aseguramiento y consultoría.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 53 contacts → | ||||
Partial evidence “Ribas Àlvarez Assessors i Consultors posa al vostre servei l'equip de professionals en diferents àmbits de l'administració, gestió i consultoria de l'empresa, fundacions…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
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: IT provider for professional services 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 IT provider for professional services firms.
- Partial evidence
- Its own public description names part of IT provider for professional services firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name IT provider for professional services 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 708 IT provider for professional services firms based in Spain
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IT provider for professional services firms based in Spain at a glance
As of Sep 21, 2026Companies by employee count
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 708 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 IT provider for professional services 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 “IT provider for professional services 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 IT provider for professional services 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 IT provider for professional services 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, 1,097 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 21, 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.
IT provider for professional services firms by metro
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 IT provider for professional services 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 IT provider for professional services firms are there based in Spain?
RevenueBase identified 708 IT provider for professional services 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?
Grant Thornton España, headquartered in Madrid, tops this list with the largest team on record.
Which city has the most IT provider for professional services firms?
Madrid leads with 137 headquartered companies, followed by Barcelona (104) and Valencia (27).
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 1,097 verified decision-maker contacts tracked across these 708 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 21, 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.
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