Company lists · Data refreshed September 2026
Top 25 Professional services outsourcing firms based in Spain
RevenueBase identified 483 company matches for professional services outsourcing firms associated with Spain as of September 2026 and tracks 8,984 professional contacts across them, including 797 with verified work emails. Madrid is the largest hub.
This list covers company matches for professional services outsourcing firms 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 29, 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 professional services outsourcing firms based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 977 contacts → | ||||
Exact match “BDO es una de las mayores firmas globales de servicios profesionales.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 890 contacts → | ||||
Exact match “En Grant Thornton España ayudamos a que tu empresa vaya más allá.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 850 contacts → | ||||
Exact match “Nos especializamos en la externalización de servicios a entidades financieras y nos reinventamos continuamente en un mercado cada vez más competitivo para lograr lo más…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 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 29, 2026 · View company records in RevenueBase | |||||
| 5 | 460 contacts → | ||||
Exact match “Staff Global Group is a group specialised in comprehensive staff outsourcing services.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 233 contacts → | ||||
Exact match “TAX Economistas y Abogados es un grupo con 50 asesorías de empresa, con más de 35 años de experiencia en el sector y 300 profesionales.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 143 contacts → | ||||
Exact match “Dabo Consulting es un grupo empresarial que nace con el objetivo de ofrecer servicios profesionales para asesorías; de esta forma, nos podríamos convertir en su único proveedor de…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 116 contacts → | ||||
Exact match “Servicios Reunidos, nace en 1994 con la misión de ayudar a los clientes en la implantación de sus estrategias de negocio mediante el outsourcing.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 111 contacts → | ||||
Exact match “Empresa dedicada al outsourcing de servicios de alta calidad.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 100 contacts → | ||||
Exact match “Consulting & BPO Services Abinitio offers specialized management services to the customers to help them, from the beginning, to improve their businesses.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 77 contacts → | ||||
Exact match “addwill integra a más de 100 profesionales altamente cualificados en las diferentes áreas de la práctica del derecho de empresa y la consultoría financiera para ofrecer un…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 75 contacts → | ||||
Exact match “ECIJA Advisory es la unidad de negocio del Grupo ECIJA dirigida a resolver las necesidades de Financial Advisory, BPO y Public Sector de las empresas y las instituciones.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 74 contacts → | ||||
Exact match “ASEC, has been a major player in professional circles in Spain for more than 35 years.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 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 29, 2026 · View company records in RevenueBase | |||||
| 15 | 54 contacts → | ||||
Exact match “Empresa de servicios profesionales especializada en auditoría, servicios de aseguramiento y consultoría.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 53 contacts → | ||||
Exact match “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…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 50 contacts → | ||||
Exact match “El equipo humano de Excell está compuesto por profesionales con un amplio bagaje en sus áreas de responsabilidad y que trabajan de manera coordinada, algo que garantiza la…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 44 contacts → | ||||
Exact match “Arnal somos un grupo de empresas dedicadas al sector de los Servicios Profesionales que trabaja por todo el territorio nacional mediante una amplia red de oficinas y delegaciones…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 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 29, 2026 · View company records in RevenueBase | |||||
| 20 | 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 29, 2026 · View company records in RevenueBase | |||||
| 21 | 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 29, 2026 · View company records in RevenueBase | |||||
| 22 | 29 contacts → | ||||
Exact match “SOLUCIONES GLOBALES presta servicios de asesoramiento y consultoría a empresas de diversos sectores.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 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 29, 2026 · View company records in RevenueBase | |||||
| 24 | 28 contacts → | ||||
Exact match “Desde su creación en 1985, Anteo nace con la voluntad de crear una asesoría que preste servicios de calidad a las empresas.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 27 contacts → | ||||
Exact match “En GrupoGes trabajamos para hacer de la información una herramienta que optimice la dirección y gestión de su negocio.” Recorded in the RevenueBase company graph · Sep 29, 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 “professional services outsourcing firms”. 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 483 professional services outsourcing firms based in Spain
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Professional services outsourcing firms based in Spain at a glance
As of Sep 29, 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 483 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 “professional services outsourcing firms” 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 797 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 29, 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.
Professional services outsourcing firms by metro
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 “professional services outsourcing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many professional services outsourcing firms are there based in Spain?
RevenueBase identified 483 company matches for professional services outsourcing firms 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?
BDO Spain tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most professional services outsourcing firms?
Madrid leads with 114 company records, followed by Barcelona (72) and Seville (21).
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 797 professional contacts with verified work emails tracked across these 483 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 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 483 professional services outsourcing firms based in Spain. Start with a free account, no credit card.
Download this list →Related lists
Professional services outsourcing firms by geography
- Professional services outsourcing firms based in Buenos Aires, Argentina
- Professional services outsourcing firms based in Melbourne, Australia
- Professional services outsourcing firms based in Sydney, Australia
- Professional services outsourcing firms based in Barueri, Brazil
- Professional services outsourcing firms based in Belo Horizonte, Brazil
- Professional services outsourcing firms based in Campinas, Brazil
- Professional services outsourcing firms based in Porto Alegre, Brazil
- Professional services outsourcing firms based in Rio De Janeiro, Brazil
- Professional services outsourcing firms based in Sao Paulo, Brazil
- Professional services outsourcing firms based in Toronto, Canada
- Professional services outsourcing firms based in Santiago, Chile
- Professional services outsourcing firms based in Paris, France
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
- Professional services outsourcing firms based in Buenos Aires, Argentina
- Professional services outsourcing firms based in Melbourne, Australia
- Professional services outsourcing firms based in Sydney, Australia
- Professional services outsourcing firms based in Barueri, Brazil
- Professional services outsourcing firms based in Belo Horizonte, Brazil
- Professional services outsourcing firms based in Campinas, Brazil
Company intelligence · public preview
Top 25 professional services outsourcing firms 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 483 matching company records for professional services outsourcing firms based in Spain, with 8,984 tracked contacts and 797 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 29, 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 professional services outsourcing firms 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 |  BDO Spainbdo.esHQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 977 contacts → |
“BDO es una de las mayores firmas globales de servicios profesionales.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Grant Thornton Españagrantthornton.esHQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 890 contacts → |
“En Grant Thornton España ayudamos a que tu empresa vaya más allá.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Cibergestióncibergestion.comHQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 850 contacts → |
“Nos especializamos en la externalización de servicios a entidades financieras y nos reinventamos continuamente en un mercado cada vez más competitivo para lograr lo más…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Figueres, SpainReported employees: 201-500 | Figueres, Spain | 201-500 | Exact match | 233 contacts → |
“TAX Economistas y Abogados es un grupo con 50 asesorías de empresa, con más de 35 años de experiencia en el sector y 300 profesionales.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  DABOgrupodaboconsulting.comHQ: Antequera, SpainReported employees: 51-200 | Antequera, Spain | 51-200 | Exact match | 143 contacts → |
“Dabo Consulting es un grupo empresarial que nace con el objetivo de ofrecer servicios profesionales para asesorías; de esta forma, nos podríamos convertir en su único proveedor de…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Servicios Reunidosserviciosreunidos.esHQ: La Coruña, SpainReported employees: 201-500 | La Coruña, Spain | 201-500 | Exact match | 116 contacts → |
“Servicios Reunidos, nace en 1994 con la misión de ayudar a los clientes en la implantación de sus estrategias de negocio mediante el outsourcing.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Abinitio Consulting, S.L.Uabinitio.esHQ: Barcelona, SpainReported employees: 201-500 | Barcelona, Spain | 201-500 | Exact match | 100 contacts → |
“Consulting & BPO Services Abinitio offers specialized management services to the customers to help them, from the beginning, to improve their businesses.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Addwilladdwill.euHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 77 contacts → |
“addwill integra a más de 100 profesionales altamente cualificados en las diferentes áreas de la práctica del derecho de empresa y la consultoría financiera para ofrecer un…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  E Advisoryfinance.ecija.comHQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 75 contacts → |
“ECIJA Advisory es la unidad de negocio del Grupo ECIJA dirigida a resolver las necesidades de Financial Advisory, BPO y Public Sector de las empresas y las instituciones.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Asec Asesores S.Lasec.esHQ: Marbella, SpainReported employees: 11-50 | Marbella, Spain | 11-50 | Exact match | 74 contacts → |
“ASEC, has been a major player in professional circles in Spain for more than 35 years.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Activa Auditoria & Consultoriaactiva-ac.comHQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 54 contacts → |
“Empresa de servicios profesionales especializada en auditoría, servicios de aseguramiento y consultoría.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ribas Àlvarez Assessors I Consultors S.Lribasalvarez.cat HQ: Girona, SpainReported employees: 51-200 | Girona, Spain | 51-200 | Exact match | 53 contacts → |
“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…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Excellexcellrrhh.esHQ: Gijón, SpainReported employees: Not recorded | Gijón, Spain | Not recorded | Exact match | 50 contacts → |
“El equipo humano de Excell está compuesto por profesionales con un amplio bagaje en sus áreas de responsabilidad y que trabajan de manera coordinada, algo que garantiza la…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Arnal Asesoresarnal.esHQ: Barcelona, SpainReported employees: 201-500 | Barcelona, Spain | 201-500 | Exact match | 44 contacts → |
“Arnal somos un grupo de empresas dedicadas al sector de los Servicios Profesionales que trabaja por todo el territorio nacional mediante una amplia red de oficinas y delegaciones…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Soluciones Globales Gestor DE Proyectos, S.Lsoluciones-globales.esHQ: Seville, SpainReported employees: 11-50 | Seville, Spain | 11-50 | Exact match | 29 contacts → |
“SOLUCIONES GLOBALES presta servicios de asesoramiento y consultoría a empresas de diversos sectores.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  ANTEOanteo.esHQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 28 contacts → |
“Desde su creación en 1985, Anteo nace con la voluntad de crear una asesoría que preste servicios de calidad a las empresas.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Grupogesgrupoges.esHQ: Palma De Mallorca, SpainReported employees: 201-500 | Palma De Mallorca, Spain | 201-500 | Exact match | 27 contacts → |
“En GrupoGes trabajamos para hacer de la información una herramienta que optimice la dirección y gestión de su negocio.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 483 company matches
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Professional services outsourcing firms: dataset insights
September 29, 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
482 records in the displayed employee bands.
1 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 483 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 29, 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 ↗
Professional services outsourcing firms by metro
Questions about this company list
What does Exact match mean for professional services outsourcing firms?
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 professional services outsourcing firms did RevenueBase find based in Spain?
The saved snapshot records 483 matching company records, 8,984 tracked contacts and 797 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 29, 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
Professional services outsourcing firms by geography
- Professional services outsourcing firms based in Buenos Aires, Argentina
- Professional services outsourcing firms based in Melbourne, Australia
- Professional services outsourcing firms based in Sydney, Australia
- Professional services outsourcing firms based in Barueri, Brazil
- Professional services outsourcing firms based in Belo Horizonte, Brazil
- Professional services outsourcing firms based in Campinas, Brazil
- Professional services outsourcing firms based in Porto Alegre, Brazil
- Professional services outsourcing firms based in Rio De Janeiro, Brazil
- Professional services outsourcing firms based in Sao Paulo, Brazil
- Professional services outsourcing firms based in Toronto, Canada
- Professional services outsourcing firms based in Santiago, Chile
- Professional services outsourcing firms based in Paris, France
Cite this list
RevenueBase Data Team. Top 25 professional services outsourcing firms based in Spain. Snapshot: September 29, 2026. https://revenuebase.ai/companies/professional-services-outsourcing-firms/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
- Professional services outsourcing firms based in Buenos Aires, Argentina
- Professional services outsourcing firms based in Melbourne, Australia
- Professional services outsourcing firms based in Sydney, Australia
- Professional services outsourcing firms based in Barueri, Brazil
- Professional services outsourcing firms based in Belo Horizonte, Brazil
- Professional services outsourcing firms based in Campinas, Brazil
Company intelligence · public preview
Top 25 professional services outsourcing firms based in Spain
RevenueBase records 483 matching company records for professional services outsourcing firms based in Spain, with 8,984 tracked contacts and 797 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 29, 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 professional services outsourcing firms 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 | BDO Spainbdo.es HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 977 contacts → |
“BDO es una de las mayores firmas globales de servicios profesionales.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Grant Thornton Españagrantthornton.es HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 890 contacts → |
“En Grant Thornton España ayudamos a que tu empresa vaya más allá.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Cibergestióncibergestion.com HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 850 contacts → |
“Nos especializamos en la externalización de servicios a entidades financieras y nos reinventamos continuamente en un mercado cada vez más competitivo para lograr lo más…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Figueres, SpainReported employees: 201-500 | Figueres, Spain | 201-500 | Exact match | 233 contacts → |
“TAX Economistas y Abogados es un grupo con 50 asesorías de empresa, con más de 35 años de experiencia en el sector y 300 profesionales.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | DABOgrupodaboconsulting.com HQ: Antequera, SpainReported employees: 51-200 | Antequera, Spain | 51-200 | Exact match | 143 contacts → |
“Dabo Consulting es un grupo empresarial que nace con el objetivo de ofrecer servicios profesionales para asesorías; de esta forma, nos podríamos convertir en su único proveedor de…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Servicios Reunidosserviciosreunidos.es HQ: La Coruña, SpainReported employees: 201-500 | La Coruña, Spain | 201-500 | Exact match | 116 contacts → |
“Servicios Reunidos, nace en 1994 con la misión de ayudar a los clientes en la implantación de sus estrategias de negocio mediante el outsourcing.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Abinitio Consulting, S.L.Uabinitio.es HQ: Barcelona, SpainReported employees: 201-500 | Barcelona, Spain | 201-500 | Exact match | 100 contacts → |
“Consulting & BPO Services Abinitio offers specialized management services to the customers to help them, from the beginning, to improve their businesses.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Addwilladdwill.eu HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 77 contacts → |
“addwill integra a más de 100 profesionales altamente cualificados en las diferentes áreas de la práctica del derecho de empresa y la consultoría financiera para ofrecer un…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | E Advisoryfinance.ecija.com HQ: Madrid, SpainReported employees: 11-50 | Madrid, Spain | 11-50 | Exact match | 75 contacts → |
“ECIJA Advisory es la unidad de negocio del Grupo ECIJA dirigida a resolver las necesidades de Financial Advisory, BPO y Public Sector de las empresas y las instituciones.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Asec Asesores S.Lasec.es HQ: Marbella, SpainReported employees: 11-50 | Marbella, Spain | 11-50 | Exact match | 74 contacts → |
“ASEC, has been a major player in professional circles in Spain for more than 35 years.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Activa Auditoria & Consultoriaactiva-ac.com HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 54 contacts → |
“Empresa de servicios profesionales especializada en auditoría, servicios de aseguramiento y consultoría.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ribas Àlvarez Assessors I Consultors S.Lribasalvarez.cat HQ: Girona, SpainReported employees: 51-200 | Girona, Spain | 51-200 | Exact match | 53 contacts → |
“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…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Excellexcellrrhh.es HQ: Gijón, SpainReported employees: Not recorded | Gijón, Spain | Not recorded | Exact match | 50 contacts → |
“El equipo humano de Excell está compuesto por profesionales con un amplio bagaje en sus áreas de responsabilidad y que trabajan de manera coordinada, algo que garantiza la…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Arnal Asesoresarnal.es HQ: Barcelona, SpainReported employees: 201-500 | Barcelona, Spain | 201-500 | Exact match | 44 contacts → |
“Arnal somos un grupo de empresas dedicadas al sector de los Servicios Profesionales que trabaja por todo el territorio nacional mediante una amplia red de oficinas y delegaciones…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Soluciones Globales Gestor DE Proyectos, S.Lsoluciones-globales.es HQ: Seville, SpainReported employees: 11-50 | Seville, Spain | 11-50 | Exact match | 29 contacts → |
“SOLUCIONES GLOBALES presta servicios de asesoramiento y consultoría a empresas de diversos sectores.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | 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 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | ANTEOanteo.es HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 28 contacts → |
“Desde su creación en 1985, Anteo nace con la voluntad de crear una asesoría que preste servicios de calidad a las empresas.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Grupogesgrupoges.es HQ: Palma De Mallorca, SpainReported employees: 201-500 | Palma De Mallorca, Spain | 201-500 | Exact match | 27 contacts → |
“En GrupoGes trabajamos para hacer de la información una herramienta que optimice la dirección y gestión de su negocio.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 483 company matches
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Professional services outsourcing firms: dataset insights
September 29, 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
482 records in the displayed employee bands.
1 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 483 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 29, 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 ↗
Professional services outsourcing firms by metro
Questions about this company list
What does Exact match mean for professional services outsourcing firms?
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 professional services outsourcing firms did RevenueBase find based in Spain?
The saved snapshot records 483 matching company records, 8,984 tracked contacts and 797 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 29, 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
Professional services outsourcing firms by geography
- Professional services outsourcing firms based in Buenos Aires, Argentina
- Professional services outsourcing firms based in Melbourne, Australia
- Professional services outsourcing firms based in Sydney, Australia
- Professional services outsourcing firms based in Barueri, Brazil
- Professional services outsourcing firms based in Belo Horizonte, Brazil
- Professional services outsourcing firms based in Campinas, Brazil
- Professional services outsourcing firms based in Porto Alegre, Brazil
- Professional services outsourcing firms based in Rio De Janeiro, Brazil
- Professional services outsourcing firms based in Sao Paulo, Brazil
- Professional services outsourcing firms based in Toronto, Canada
- Professional services outsourcing firms based in Santiago, Chile
- Professional services outsourcing firms based in Paris, France
Cite this list
RevenueBase Data Team. Top 25 professional services outsourcing firms based in Spain. Snapshot: September 29, 2026. https://revenuebase.ai/companies/professional-services-outsourcing-firms/spain.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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- Professional services outsourcing firms based in Buenos Aires, Argentina
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