Company lists · Data refreshed September 2026

Top 25 Outsourced admin services based in Spain

RevenueBase identified 407 company matches for outsourced admin services associated with Spain as of September 2026 and tracks 3,337 professional contacts across them, including 159 with verified work emails. Madrid is the largest hub.

This list covers company matches for outsourced admin services 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 September 21, 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 Sep 21, 2026 How this list was built
407Companies
3,337Contacts tracked
159Verified emails
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The 25 largest outsourced admin services based in Spain

Ranked by team size
Top 25 of 407 company matches for outsourced admin services based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchBarcelona, SpainHQ recorded Sep 21, 202651-200460 contacts →

Exact match

“Staff Global Group is a group specialised in comprehensive staff outsourcing services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchZaragoza, SpainHQ recorded Sep 21, 2026501-1,000111 contacts →

Exact match

“Empresa dedicada al outsourcing de servicios de alta calidad.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchMadrid, SpainHQ recorded Sep 21, 202651-20076 contacts →

Exact match

“Empezamos siendo dos hermanos con un manual de contabilidad.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchMadrid, SpainHQ recorded Sep 21, 202651-20056 contacts →

Exact match

“Somos una firma multidisciplinar, con más de 35 años de experiencia, especializados en la gestión y externalización de procesos de negocio financieros, recursos humanos, gestión…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchSantander, SpainHQ recorded Sep 21, 2026n/a48 contacts →

Exact match

“ElAyudante offers Executive Assistance and Consulting services with different profiles.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchBarcelona, SpainHQ recorded Sep 21, 202651-20035 contacts →

Exact match

“Somos una empresa lider en la externalización de servicios en el ámbito del turismo, la cultura y los eventos.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchBarcelona, SpainHQ recorded Sep 21, 202651-20031 contacts →

Exact match

“BJS Legal Services - Collections & BPO, permite a sus clientes centrarse en su Core Business.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchVigo, SpainHQ recorded Sep 21, 2026501-1,00029 contacts →

Exact match

“GRUPO BASE es una compañía con más de 30 años de servicios de calidad a las empresas.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchBarcelona, SpainHQ recorded Sep 21, 20261-1029 contacts →

Exact match

“Servicios tecnológicos y administrativos en todos los campos informáticos que puede necesitar una pyme.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchMadrid, SpainHQ recorded Sep 21, 202651-20023 contacts →

Exact match

“En FINOUT trabajamos para nuestros clientes como si fuéramos su departamento financiero-administrativo externo.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchBarcelona, SpainHQ recorded Sep 21, 202611-5022 contacts →

Exact match

“Biznelp helps businesses.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchBarcelona, SpainHQ recorded Sep 21, 202611-5022 contacts →

Exact match

“NN Consulting somos la empresa de outsourcing especializada en- Gestión Económica de Pymes y autónomos y emprendedores- Especialistas en la Exportación para Pymes.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchValencia, SpainHQ recorded Sep 21, 20261-1017 contacts →

Exact match

“IT Partner ofrecemos servicios de outsourcing, que consisten en la externalización de funciones o tareas específicas a profesionales expertos, así como servicios de headhunting…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchBadajoz, SpainHQ recorded Sep 21, 20261-1014 contacts →

Exact match

“EL 60% DE LAS PYMES y grandes empresas externalizan la gestión de áreas y funciones internas.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchMálaga, SpainHQ recorded Sep 21, 202611-5013 contacts →

Exact match

“Services to Insurance Brokers and Insurance Companies.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchMálaga, SpainHQ recorded Sep 21, 20261-1012 contacts →

Exact match

“Desde Factoría Kreativa participamos en los procesos globales de desarrollo económico de las empresas, ofreciendo soluciones para el crecimiento y revalorización del proyecto de…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchMadrid, SpainHQ recorded Sep 21, 202611-508 contacts →

Exact match

“Externalización de Servicios de Recursos Humanos.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchMadrid, SpainHQ recorded Sep 21, 202611-507 contacts →

Exact match

“Somos un grupo empresarial que proporciona servicios outsourcing para PYMES y emprendedores, abarcando un amplio abanico de campos dotado con grandes profesionales con una gran…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchDonsotia - San Sebastián, SpainHQ recorded Sep 21, 202611-507 contacts →

Exact match

“OUTSOURCING - EXTERNALIZACIÓN - SUBCONTRATACIÓN CONSULTORES DE DIRECCIÓN FINANCIERA Y DIRECCIÓN DE RECURSOS HUMANOS SERVICIO ASESORÍA Y GESTORÍA Consultora de más de 25 años de…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchMadrid, SpainHQ recorded Sep 21, 202611-507 contacts →

Exact match

“Kep Jam is dedicated to integral solutions for company administration, offering the services to its clients in the areas of representation, management, administration and…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchMataró, SpainHQ recorded Sep 21, 20261-107 contacts →

Exact match

“We provide outsourcing services for Tech and Marketing consulting (developing, security, strategies definition, etc.) and Project Management (from the scratch until the project is…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchTerrassa, SpainHQ recorded Sep 21, 20261-106 contacts →

Exact match

“Making paperwork easy”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchBarcelona, SpainHQ recorded Sep 21, 20261-106 contacts →

Exact match

“Integra Advisers ofrece una solución definitiva a sus necesidades administrativas actuales, poniendo a su disposición un equipo de profesionales para las principales áreas de la…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchTarragona, SpainHQ recorded Sep 21, 202611-505 contacts →

Exact match

“Somos una empresa especializada en la externalización de servicios técnicos, logísticos y auxiliares.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchBarcelona, SpainHQ recorded Sep 21, 202611-505 contacts →

Exact match

“Firma profesional y altamente especializada en la externalización (outsourcing) de los servicios contable, tax compliance y gestión laboral y RRHH, con oficinas en Barcelona y…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 407 outsourced admin services based in Spain

See the full list, filter by size, metro and specialty, and access 159 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Outsourced admin services based in Spain at a glance

As of Sep 21, 2026
4.8%Verified-email coverage
8.2Average contacts per company
1-10Median size (employees)
22.9%Largest-city concentration · Madrid
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
311
11-50
57
51-200
20
201-500
9
501-1,000
4
1,001-5,000
1
5,001-10,000
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 407 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 “outsourced admin 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. 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 159 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 September 21, 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.

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

How many outsourced admin services are there based in Spain?

RevenueBase identified 407 company matches for outsourced admin services associated with Spain as of September 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?

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

Which city has the most outsourced admin services?

Madrid leads with 93 company records, followed by Barcelona (51) and Valencia (16).

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 159 professional contacts with verified work emails tracked across these 407 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 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 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.