Company lists · Data refreshed September 2026

Top 25 Outsourcing admin services based in Spain

RevenueBase identified 240 outsourcing admin services headquartered in Spain as of September 2026 and tracks 2,016 professional contacts across them, including 55 with verified work emails. Madrid is the largest hub.

This list covers outsourcing admin services 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
240Companies
2,016Contacts tracked
55Verified emails
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The 25 largest outsourcing admin services based in Spain

Ranked by team size
Top 25 of 240 outsourcing admin services based in Spain, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to outsourcing admin services: 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 evidenceMadrid, SpainHQ checked Sep 21, 202651-20056 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceSantander, SpainHQ checked Sep 21, 2026n/a48 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceGijón, SpainHQ checked Sep 21, 202651-20042 contacts →

Indirect evidence

“Nos dedicamos a la externalización de procesos de negocio y estamos especializados en los relacionados con la atención y gestión del cliente.”

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidencePalma De Mallorca, SpainHQ checked Sep 21, 202611-5040 contacts →

Indirect evidence

“CONSTRUIMOS CLIENTES Proporcionamos soluciones de externalización a medida para empresas que necesitan agilidad, flexibilidad y resultados.”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceBarcelona, SpainHQ checked Sep 21, 202651-20031 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceVigo, SpainHQ checked Sep 21, 2026501-1,00029 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
7Partial evidenceBarcelona, SpainHQ checked Sep 21, 202611-5022 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
8Partial evidenceValencia, SpainHQ checked Sep 21, 20261-1017 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceMadrid, SpainHQ checked Sep 21, 202611-508 contacts →

Indirect evidence

“Externalización de Servicios de Recursos Humanos.”

Source: RevenueBase Database · checked Sep 21, 2026
10Partial evidenceDonsotia - San Sebastián, SpainHQ checked Sep 21, 202611-507 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceTerrassa, SpainHQ checked Sep 21, 20261-106 contacts →

Indirect evidence

“Making paperwork easy”

Source: RevenueBase Database · checked Sep 21, 2026
12Partial evidenceBarcelona, SpainHQ checked Sep 21, 202611-505 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceOviedo, SpainHQ checked Sep 21, 20261-105 contacts →

Indirect evidence

“GESTIONALIA es una empresa de servicios, filial de Vaciero, S.L.P, dedicada a la externalización de funciones y procesos de los departamentos de administración, finanzas y…”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceValencia, SpainHQ checked Sep 21, 20261-104 contacts →

Indirect evidence

“Desde 2022 formamos parte de Scentia Alliance.”

Source: RevenueBase Database · checked Sep 21, 2026
15Partial evidenceBarcelona, SpainHQ checked Sep 21, 20261-103 contacts →

Partial evidence

“INTO ACTION es una organización de consultoría empresarial especializada en OUTSOURCING FINANCIERO, formada por profesionales de gran experiencia en la dirección, administración y…”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceBarcelona, SpainHQ checked Sep 21, 20261-102 contacts →

Indirect evidence

“Gestión Activa cambia las reglas del juego en la gestión externalizada de procesos administrativos.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceMostoles, SpainHQ checked Sep 21, 20261-102 contacts →

Indirect evidence

“Alguna vez has pensado el tiempo que pierdes cada día o cómo podrías optimizar tus recursos?”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceOnteniente, SpainHQ checked Sep 21, 20261-102 contacts →

Indirect evidence

“Ayudamos a las empresas desde la externalización de departamentos a tener las tareas administrativas bien ejecutadas y al día, con ahorro de tiempo y reducción de costes.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceBarcelona, SpainHQ checked Sep 21, 20261-102 contacts →

Indirect evidence

“PDG Executive Consultants S.L.”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceValencia, SpainHQ checked Sep 21, 20261-102 contacts →

Indirect evidence

“Iurislab Consulting, es una empresa de servicios que inició su actividad a finales del año y que está especializada en consultoría Laboral y Recursos Humanos, así como en…”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceEstepona, SpainHQ checked Sep 21, 20261-101 contacts →

Indirect evidence

“Are you looking for a virtual assistant to help you with your business?”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceIbiza, SpainHQ checked Sep 21, 20261-101 contacts →

Indirect evidence

“Mijn naam is Joyce en ik heb ruim 24 jaar ervaring als (directie) secretaresse/office manager in het bedrijfsleven.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceBarcelona, SpainHQ checked Sep 21, 20261-101 contacts →

Indirect evidence

“En Ofitech360, ofrecemos soluciones de secretariado online 100% personalizadas para impulsar la productividad y eficiencia de tu negocio.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceMadrid, SpainHQ checked Sep 21, 20261-101 contacts →

Indirect evidence

“Are you looking to free up more time and increase your productivity?”

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceMálaga, SpainHQ checked Sep 21, 20261-101 contacts →

Indirect evidence

“Nos encargamos de todas las tareas que tienes que hacer en tu empresa para que tú te dediques a aquellas que te hacen ganar dinero.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 240 outsourcing admin services based in Spain

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Outsourcing admin services based in Spain at a glance

As of Sep 21, 2026
2.7%Verified-email coverage
8.4Average contacts per company
1-10Median size (employees)
27.5%Largest-city concentration · Madrid
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
177
11-50
37
51-200
14
201-500
5
501-1,000
4
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 240 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 outsourcing admin services, 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 “outsourcing admin services”. 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 outsourcing admin services), 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 outsourcing admin services, 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, 55 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.

Outsourcing admin services by metro

  • Outsourcing admin services in Madrid66
  • Outsourcing admin services in Barcelona32

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 outsourcing admin services, 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 outsourcing admin services are there based in Spain?

RevenueBase identified 240 outsourcing admin services 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?

B-Kaind, headquartered in Madrid, tops this list with the largest team on record.

Which city has the most outsourcing admin services?

Madrid leads with 66 headquartered companies, followed by Barcelona (32) and Valencia (10).

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 55 verified decision-maker contacts tracked across these 240 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.