Company lists · Data refreshed September 2026
Top 25 Administrative outsourcing companies based in Spain
RevenueBase identified 297 company matches for administrative outsourcing companies associated with Spain as of September 2026 and tracks 5,397 professional contacts across them, including 259 with verified work emails. Madrid is the largest hub.
This list covers company matches for administrative outsourcing companies 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 27, 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.
The 25 largest administrative outsourcing companies based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 805 contacts → | ||||
Exact match “Grupo Constant es una organización líder en soluciones de outsourcing, facilities y ETT, con más de 30 años de experiencia en el área de Recursos Humanos.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 460 contacts → | ||||
Exact match “Staff Global Group is a group specialised in comprehensive staff outsourcing services.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 306 contacts → | ||||
Exact match “Grupo BCMGestionARTE es una corporación empresarial compuesta por empresas especializadas en la gestión integral y el Outsourcing de capital humano.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 305 contacts → | ||||
Exact match “The SELLBYTEL Group is one of the worldwide leading outsourcing specialists and part of Webhelp.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 268 contacts → | ||||
Exact match “Somos una empresa especializada en la externalización de servicios para las administraciones públicas, comprometida con la eficiencia, la innovación y la calidad.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 143 contacts → | ||||
Exact match “Grupo Alarcon somos una empresa de limpieza especialista en la externalización de servicios de elevada calidad.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 111 contacts → | ||||
Exact match “Empresa dedicada al outsourcing de servicios de alta calidad.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 97 contacts → | ||||
Exact match “DEYSE es una empresa líder del sector de la externalización de servicios de limpieza al sector privado.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 88 contacts → | ||||
Exact match “Especialistas en externalización de procesos logísticos, industriales y hoteleros.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 76 contacts → | ||||
Exact match “Empezamos siendo dos hermanos con un manual de contabilidad.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 56 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 27, 2026 · View company records in RevenueBase | |||||
| 12 | 48 contacts → | ||||
Exact match “Outsourcing de servicios jurídicos a gran escala.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 45 contacts → | ||||
Exact match “BCNDATA es la Consultora líder de externalización de procesos administrativos y legales para Aseguradoras y Reaseguradoras.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 42 contacts → | ||||
Exact match “Nos dedicamos a la externalización de procesos de negocio y estamos especializados en los relacionados con la atención y gestión del cliente.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 40 contacts → | ||||
Exact match “CONSTRUIMOS CLIENTES Proporcionamos soluciones de externalización a medida para empresas que necesitan agilidad, flexibilidad y resultados.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 35 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 27, 2026 · View company records in RevenueBase | |||||
| 17 | 31 contacts → | ||||
Exact match “BJS Legal Services - Collections & BPO, permite a sus clientes centrarse en su Core Business.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 29 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 27, 2026 · View company records in RevenueBase | |||||
| 19 | 22 contacts → | ||||
Exact match “Asesoría Integral de Empresas, dedicada al asesoramiento y gestión laboral, contable, fiscal y jurídica de autónomos y PYMES.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 17 contacts → | ||||
Exact match “Informes y Gestiones es una empresa que desde el año 1993 ha sido un referente en la prestación de servicios integrales y líder en la externalización de procesos.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 17 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 27, 2026 · View company records in RevenueBase | |||||
| 22 | 13 contacts → | ||||
Exact match “Services to Insurance Brokers and Insurance Companies.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 12 contacts → | ||||
Exact match “ASESORÍA INTEGRAL DE EMPRESAS.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 11 contacts → | ||||
Exact match “Asesoria integral” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 9 contacts → | ||||
Exact match “Unica presta servicios de outsourcing, limpieza, limpieza de sistema de extracción de humos, jardinería, control de accesos, mantenimiento y desinfección para el sector hotelero…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “administrative outsourcing companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 297 administrative outsourcing companies based in Spain
See the full list, filter by size, metro and specialty, and access 259 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Administrative outsourcing companies based in Spain at a glance
As of Sep 27, 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 297 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 “administrative outsourcing companies” 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 259 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 27, 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 “administrative outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many administrative outsourcing companies are there based in Spain?
RevenueBase identified 297 company matches for administrative outsourcing companies 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?
Grupo Constant tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most administrative outsourcing companies?
Madrid leads with 85 company records, followed by Barcelona (40) and Valencia (11).
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 259 professional contacts with verified work emails tracked across these 297 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 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 297 administrative outsourcing companies based in Spain. Start with a free account, no credit card.
Download this list →Related lists
Administrative outsourcing companies by geography
- Administrative outsourcing companies based in Barueri, Brazil
- Administrative outsourcing companies based in Curitiba, Brazil
- Administrative outsourcing companies based in Rio De Janeiro, Brazil
- Administrative outsourcing companies based in Sao Paulo, Brazil
- Administrative outsourcing companies based in Ahmedabad, India
- Administrative outsourcing companies based in Bangalore, India
- Administrative outsourcing companies based in Chennai, India
- Administrative outsourcing companies based in Kolkata, India
- Administrative outsourcing companies based in Mumbai, India
- Administrative outsourcing companies based in New Delhi, India
- Administrative outsourcing companies based in Atlanta, United States
- Administrative outsourcing companies based in Austin, United States
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Administrative outsourcing companies based in Barueri, Brazil
- Administrative outsourcing companies based in Curitiba, Brazil
- Administrative outsourcing companies based in Rio De Janeiro, Brazil
- Administrative outsourcing companies based in Sao Paulo, Brazil
- Administrative outsourcing companies based in Ahmedabad, India
- Administrative outsourcing companies based in Bangalore, India
Company intelligence · public preview
Top 25 administrative outsourcing companies based in Spain
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 297 matching company records for administrative outsourcing companies based in Spain, with 5,397 tracked contacts and 259 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 administrative outsourcing companies based in Spain
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Grupo Constantgrupoconstant.comHQ: Barcelona, SpainReported employees: 1,001-5,000 | Barcelona, Spain | 1,001-5,000 | Exact match | 805 contacts → |
“Grupo Constant es una organización líder en soluciones de outsourcing, facilities y ETT, con más de 30 años de experiencia en el área de Recursos Humanos.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Staff Global Groupstaffglobalgroup.comHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 460 contacts → |
“Staff Global Group is a group specialised in comprehensive staff outsourcing services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Grupo Bcmgestionartebcmgestionarte.esHQ: Málaga, SpainReported employees: 1,001-5,000 | Málaga, Spain | 1,001-5,000 | Exact match | 306 contacts → |
“Grupo BCMGestionARTE es una corporación empresarial compuesta por empresas especializadas en la gestión integral y el Outsourcing de capital humano.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Sellbytel Group Spainsellbytel.comHQ: Barcelona, SpainReported employees: 5,001-10,000 | Barcelona, Spain | 5,001-10,000 | Exact match | 305 contacts → |
“The SELLBYTEL Group is one of the worldwide leading outsourcing specialists and part of Webhelp.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Osventos Innovación EN Servizososventos.com HQ: Santiago De Compostela, SpainReported employees: 1,001-5,000 | Santiago De Compostela, Spain | 1,001-5,000 | Exact match | 268 contacts → |
“Somos una empresa especializada en la externalización de servicios para las administraciones públicas, comprometida con la eficiencia, la innovación y la calidad.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Grupo Alarcongrupoalarcon.comHQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 143 contacts → |
“Grupo Alarcon somos una empresa de limpieza especialista en la externalización de servicios de elevada calidad.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Grupo UBgrupoub.comHQ: Zaragoza, SpainReported employees: 501-1,000 | Zaragoza, Spain | 501-1,000 | Exact match | 111 contacts → |
“Empresa dedicada al outsourcing de servicios de alta calidad.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Deyse Limpiezas Deyse SLUdeyse.catHQ: Manresa, SpainReported employees: 501-1,000 | Manresa, Spain | 501-1,000 | Exact match | 97 contacts → |
“DEYSE es una empresa líder del sector de la externalización de servicios de limpieza al sector privado.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Nortexnortex.esHQ: A Coruña, SpainReported employees: 201-500 | A Coruña, Spain | 201-500 | Exact match | 88 contacts → |
“Especialistas en externalización de procesos logísticos, industriales y hoteleros.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Vasalto Tech And Talentvasalto.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 76 contacts → |
“Empezamos siendo dos hermanos con un manual de contabilidad.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  B-Kaindb-kaind.comHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 56 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Innokuinnoku.comHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 48 contacts → |
“Outsourcing de servicios jurídicos a gran escala.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Bcndatabcndata.esHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 45 contacts → |
“BCNDATA es la Consultora líder de externalización de procesos administrativos y legales para Aseguradoras y Reaseguradoras.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Xentia Customer Servicesxentia.esHQ: Gijón, SpainReported employees: 51-200 | Gijón, Spain | 51-200 | Exact match | 42 contacts → |
“Nos dedicamos a la externalización de procesos de negocio y estamos especializados en los relacionados con la atención y gestión del cliente.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Nexia Solutionsnexiasolutions.esHQ: Palma De Mallorca, SpainReported employees: 11-50 | Palma De Mallorca, Spain | 11-50 | Exact match | 40 contacts → |
“CONSTRUIMOS CLIENTES Proporcionamos soluciones de externalización a medida para empresas que necesitan agilidad, flexibilidad y resultados.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Tecouttecout.netHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 35 contacts → |
“Somos una empresa lider en la externalización de servicios en el ámbito del turismo, la cultura y los eventos.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  BJS Legal Servicesbjslegalservices.comHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 31 contacts → |
“BJS Legal Services - Collections & BPO, permite a sus clientes centrarse en su Core Business.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Grupo Basegrupobase.comHQ: Vigo, SpainReported employees: 501-1,000 | Vigo, Spain | 501-1,000 | Exact match | 29 contacts → |
“GRUPO BASE es una compañía con más de 30 años de servicios de calidad a las empresas.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Grupo GIEgie.esHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 22 contacts → |
“Asesoría Integral de Empresas, dedicada al asesoramiento y gestión laboral, contable, fiscal y jurídica de autónomos y PYMES.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Informes Y Gestionesinformesygestiones.comHQ: Pamplona/iruña, SpainReported employees: 11-50 | Pamplona/iruña, Spain | 11-50 | Exact match | 17 contacts → |
“Informes y Gestiones es una empresa que desde el año 1993 ha sido un referente en la prestación de servicios integrales y líder en la externalización de procesos.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  IT Partneritpartner.esHQ: Valencia, SpainReported employees: 1-10 | Valencia, Spain | 1-10 | Exact match | 17 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Interhanse Outsourcing Servicesinterhanse.comHQ: Málaga, SpainReported employees: 11-50 | Málaga, Spain | 11-50 | Exact match | 13 contacts → |
“Services to Insurance Brokers and Insurance Companies.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  KOANAkoana.esHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 12 contacts → |
“ASESORÍA INTEGRAL DE EMPRESAS.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Zapater Assessorszapater.catHQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 11 contacts → |
“Asesoria integral” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Unica Servicios Empresarialesunicaservicios.com HQ: Las Rozas De Madrid, SpainReported employees: 201-500 | Las Rozas De Madrid, Spain | 201-500 | Exact match | 9 contacts → |
“Unica presta servicios de outsourcing, limpieza, limpieza de sistema de extracción de humos, jardinería, control de accesos, mantenimiento y desinfección para el sector hotelero…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 297 company matches
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Administrative outsourcing companies: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
294 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 297 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for administrative outsourcing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many administrative outsourcing companies did RevenueBase find based in Spain?
The saved snapshot records 297 matching company records, 5,397 tracked contacts and 259 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Administrative outsourcing companies by geography
- Administrative outsourcing companies based in Barueri, Brazil
- Administrative outsourcing companies based in Curitiba, Brazil
- Administrative outsourcing companies based in Rio De Janeiro, Brazil
- Administrative outsourcing companies based in Sao Paulo, Brazil
- Administrative outsourcing companies based in Ahmedabad, India
- Administrative outsourcing companies based in Bangalore, India
- Administrative outsourcing companies based in Chennai, India
- Administrative outsourcing companies based in Kolkata, India
- Administrative outsourcing companies based in Mumbai, India
- Administrative outsourcing companies based in New Delhi, India
- Administrative outsourcing companies based in Atlanta, United States
- Administrative outsourcing companies based in Austin, United States
Cite this list
RevenueBase Data Team. Top 25 administrative outsourcing companies based in Spain. Snapshot: September 27, 2026. https://revenuebase.ai/companies/administrative-outsourcing-companies/spain.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Administrative outsourcing companies based in Barueri, Brazil
- Administrative outsourcing companies based in Curitiba, Brazil
- Administrative outsourcing companies based in Rio De Janeiro, Brazil
- Administrative outsourcing companies based in Sao Paulo, Brazil
- Administrative outsourcing companies based in Ahmedabad, India
- Administrative outsourcing companies based in Bangalore, India
Company intelligence · public preview
Top 25 administrative outsourcing companies based in Spain
RevenueBase records 297 matching company records for administrative outsourcing companies based in Spain, with 5,397 tracked contacts and 259 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 administrative outsourcing companies based in Spain
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Grupo Constantgrupoconstant.com HQ: Barcelona, SpainReported employees: 1,001-5,000 | Barcelona, Spain | 1,001-5,000 | Exact match | 805 contacts → |
“Grupo Constant es una organización líder en soluciones de outsourcing, facilities y ETT, con más de 30 años de experiencia en el área de Recursos Humanos.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Staff Global Groupstaffglobalgroup.com HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 460 contacts → |
“Staff Global Group is a group specialised in comprehensive staff outsourcing services.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Grupo Bcmgestionartebcmgestionarte.es HQ: Málaga, SpainReported employees: 1,001-5,000 | Málaga, Spain | 1,001-5,000 | Exact match | 306 contacts → |
“Grupo BCMGestionARTE es una corporación empresarial compuesta por empresas especializadas en la gestión integral y el Outsourcing de capital humano.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Sellbytel Group Spainsellbytel.com HQ: Barcelona, SpainReported employees: 5,001-10,000 | Barcelona, Spain | 5,001-10,000 | Exact match | 305 contacts → |
“The SELLBYTEL Group is one of the worldwide leading outsourcing specialists and part of Webhelp.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Osventos Innovación EN Servizososventos.com HQ: Santiago De Compostela, SpainReported employees: 1,001-5,000 | Santiago De Compostela, Spain | 1,001-5,000 | Exact match | 268 contacts → |
“Somos una empresa especializada en la externalización de servicios para las administraciones públicas, comprometida con la eficiencia, la innovación y la calidad.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Grupo Alarcongrupoalarcon.com HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 143 contacts → |
“Grupo Alarcon somos una empresa de limpieza especialista en la externalización de servicios de elevada calidad.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Grupo UBgrupoub.com HQ: Zaragoza, SpainReported employees: 501-1,000 | Zaragoza, Spain | 501-1,000 | Exact match | 111 contacts → |
“Empresa dedicada al outsourcing de servicios de alta calidad.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Deyse Limpiezas Deyse SLUdeyse.cat HQ: Manresa, SpainReported employees: 501-1,000 | Manresa, Spain | 501-1,000 | Exact match | 97 contacts → |
“DEYSE es una empresa líder del sector de la externalización de servicios de limpieza al sector privado.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Nortexnortex.es HQ: A Coruña, SpainReported employees: 201-500 | A Coruña, Spain | 201-500 | Exact match | 88 contacts → |
“Especialistas en externalización de procesos logísticos, industriales y hoteleros.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Vasalto Tech And Talentvasalto.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 76 contacts → |
“Empezamos siendo dos hermanos con un manual de contabilidad.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | B-Kaindb-kaind.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 56 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Innokuinnoku.com HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 48 contacts → |
“Outsourcing de servicios jurídicos a gran escala.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Bcndatabcndata.es HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 45 contacts → |
“BCNDATA es la Consultora líder de externalización de procesos administrativos y legales para Aseguradoras y Reaseguradoras.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Xentia Customer Servicesxentia.es HQ: Gijón, SpainReported employees: 51-200 | Gijón, Spain | 51-200 | Exact match | 42 contacts → |
“Nos dedicamos a la externalización de procesos de negocio y estamos especializados en los relacionados con la atención y gestión del cliente.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Nexia Solutionsnexiasolutions.es HQ: Palma De Mallorca, SpainReported employees: 11-50 | Palma De Mallorca, Spain | 11-50 | Exact match | 40 contacts → |
“CONSTRUIMOS CLIENTES Proporcionamos soluciones de externalización a medida para empresas que necesitan agilidad, flexibilidad y resultados.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tecouttecout.net HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 35 contacts → |
“Somos una empresa lider en la externalización de servicios en el ámbito del turismo, la cultura y los eventos.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | BJS Legal Servicesbjslegalservices.com HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 31 contacts → |
“BJS Legal Services - Collections & BPO, permite a sus clientes centrarse en su Core Business.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Grupo Basegrupobase.com HQ: Vigo, SpainReported employees: 501-1,000 | Vigo, Spain | 501-1,000 | Exact match | 29 contacts → |
“GRUPO BASE es una compañía con más de 30 años de servicios de calidad a las empresas.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Grupo GIEgie.es HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 22 contacts → |
“Asesoría Integral de Empresas, dedicada al asesoramiento y gestión laboral, contable, fiscal y jurídica de autónomos y PYMES.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Informes Y Gestionesinformesygestiones.com HQ: Pamplona/iruña, SpainReported employees: 11-50 | Pamplona/iruña, Spain | 11-50 | Exact match | 17 contacts → |
“Informes y Gestiones es una empresa que desde el año 1993 ha sido un referente en la prestación de servicios integrales y líder en la externalización de procesos.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | IT Partneritpartner.es HQ: Valencia, SpainReported employees: 1-10 | Valencia, Spain | 1-10 | Exact match | 17 contacts → |
“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 description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Interhanse Outsourcing Servicesinterhanse.com HQ: Málaga, SpainReported employees: 11-50 | Málaga, Spain | 11-50 | Exact match | 13 contacts → |
“Services to Insurance Brokers and Insurance Companies.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | KOANAkoana.es HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 12 contacts → |
“ASESORÍA INTEGRAL DE EMPRESAS.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Zapater Assessorszapater.cat HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 11 contacts → |
“Asesoria integral” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Unica Servicios Empresarialesunicaservicios.com HQ: Las Rozas De Madrid, SpainReported employees: 201-500 | Las Rozas De Madrid, Spain | 201-500 | Exact match | 9 contacts → |
“Unica presta servicios de outsourcing, limpieza, limpieza de sistema de extracción de humos, jardinería, control de accesos, mantenimiento y desinfección para el sector hotelero…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 297 company matches
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Administrative outsourcing companies: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
294 records in the displayed employee bands.
3 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 297 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for administrative outsourcing companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many administrative outsourcing companies did RevenueBase find based in Spain?
The saved snapshot records 297 matching company records, 5,397 tracked contacts and 259 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Administrative outsourcing companies by geography
- Administrative outsourcing companies based in Barueri, Brazil
- Administrative outsourcing companies based in Curitiba, Brazil
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- Administrative outsourcing companies based in Bangalore, India
- Administrative outsourcing companies based in Chennai, India
- Administrative outsourcing companies based in Kolkata, India
- Administrative outsourcing companies based in Mumbai, India
- Administrative outsourcing companies based in New Delhi, India
- Administrative outsourcing companies based in Atlanta, United States
- Administrative outsourcing companies based in Austin, United States
Cite this list
RevenueBase Data Team. Top 25 administrative outsourcing companies based in Spain. Snapshot: September 27, 2026. https://revenuebase.ai/companies/administrative-outsourcing-companies/spain.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Administrative outsourcing companies based in Barueri, Brazil
- Administrative outsourcing companies based in Curitiba, Brazil
- Administrative outsourcing companies based in Rio De Janeiro, Brazil
- Administrative outsourcing companies based in Sao Paulo, Brazil
- Administrative outsourcing companies based in Ahmedabad, India
- Administrative outsourcing companies based in Bangalore, India