Company lists · Data refreshed November 2026
Top 25 Subcontractors based in Spain
RevenueBase identified 508 company matches for subcontractors associated with Spain as of November 2026 and tracks 8,441 professional contacts across them, including 734 with verified work emails. Madrid is the largest hub.
This list covers company matches for subcontractors 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 November 6, 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 subcontractors based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,534 contacts → | ||||
Exact match “SANJOSE is one of the top construction companies within the sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 863 contacts → | ||||
Exact match “Created in 1919, SEMI is a leading company in the electricity and industrial sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 576 contacts → | ||||
Exact match “Vita Construcciones desde 1953 es una empresa especializada en construcción, rehabilitación y reforma integral.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 528 contacts → | ||||
Exact match “MASA interviene en toda la cadena de actividades en la vida de las instalaciones e infraestructuras, desde su fase de proyecto, hasta la construcción y montaje de la instalación…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 265 contacts → | ||||
Exact match “TECSA Empresa Constructora, S.A, nacida en 1.971 en el entorno ferroviario, es hoy en día una referencia en la construcción y mantenimiento de infraestructuras del transporte.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 137 contacts → | ||||
Exact match “Construcía S.L, company specializing in infrastructure development for businesses Our strategy as a company is based on an integrated service offering which combines solutions for…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 108 contacts → | ||||
Exact match “Nuestra empresa LIC, nace en Alberic (Valencia) en el año Su origen es la empresa Soluciones Estructurales SL, con una larga trayectoria en la ejecución de grandes estructuras de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 106 contacts → | ||||
Exact match “Grupo Maipú nace en España en 1995.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 96 contacts → | ||||
Exact match “Emurtel es una compañía líder de ingeniería y consultoría multidisciplinar orientada a la gestión integral de proyectos, ofreciendo soluciones de valor añadido en el diseño…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 87 contacts → | ||||
Exact match “PROJECTS & FACILITIES MANAGEMENT, empresa especializada en gestión de proyectos complejos y grandes operaciones de infraestructuras y edificación, y en servicios de facility…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 87 contacts → | ||||
Exact match “SERVEIS, OBRES I MANTENIMENT, S.L.(SEROM), fundada l'any 1990, és una empresa constructora compromesa i actual, amb una àmplia experiència en totes les nostres àrees d'activitat…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 79 contacts → | ||||
Exact match “GENERA Q es una empresa especializada en el diseño, ejecución y mantenimiento de instalaciones.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 64 contacts → | ||||
Exact match “GRULOP es una constructora de ámbito nacional especializada en ejecutar proyectos de obra civil, infraestructuras y edificación de alta complejidad, transformando cada reto…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 56 contacts → | ||||
Exact match “A Cots i Claret volem acompanyar-te en la construcció del teu projecte.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 50 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 49 contacts → | ||||
Exact match “OCIDE es una compañía consolidada en todas las fases del proceso constructivo, desde la ingeniería, mediante diseño y procesos, pasando por la ejecución y finalizando en la…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 45 contacts → | ||||
Exact match “Con más de 35 años de trayectoria, TMR es una empresa referente en el sector de la construcción en Madrid.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 42 contacts → | ||||
Exact match “AÑURI OICÓN GROUP nace como la suma de dos empresas.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 40 contacts → | ||||
Exact match “En Osés Construcción edificamos, construimos, renovamos… Y sobre todo, ofrecemos soluciones integrales a las necesidades de construcción de clientes públicos y privados.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 40 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 39 contacts → | ||||
Exact match “Grupo Conector S.A.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 35 contacts → | ||||
Exact match “AT4 GRUPO es una empresa, especializada en ejecución de obra.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 34 contacts → | ||||
Exact match “Alsamasa nace en 2005 de la fusión de dos empresas especializadas en construcción e instalaciones.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 34 contacts → | ||||
Exact match “ESQUEIRO, S.L.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 33 contacts → | ||||
Exact match “VAINSA INFRAESTRUCTURAS SL es una empresa multidisciplinar con sede central en Valencia y con una clara orientación al cliente.” Recorded in the RevenueBase company graph · Nov 6, 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 “subcontractors”. 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 508 subcontractors based in Spain
See the full list, filter by size, metro and specialty, and access 734 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Subcontractors based in Spain at a glance
As of Nov 6, 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 508 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 “subcontractors” 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 734 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 November 6, 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.
Subcontractors 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 “subcontractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many subcontractors are there based in Spain?
RevenueBase identified 508 company matches for subcontractors associated with Spain as of November 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?
Sanjose Constructora tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most subcontractors?
Madrid leads with 67 company records, followed by Barcelona (32) and Valencia (17).
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 734 professional contacts with verified work emails tracked across these 508 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 508 subcontractors based in Spain. Start with a free account, no credit card.
Download this list →Related lists
Subcontractors by geography
- Subcontractors based in Melbourne, Australia
- Subcontractors based in Perth, Australia
- Subcontractors based in Sydney, Australia
- Subcontractors based in Belo Horizonte, Brazil
- Subcontractors based in Campinas, Brazil
- Subcontractors based in Curitiba, Brazil
- Subcontractors based in Rio De Janeiro, Brazil
- Subcontractors based in Salvador, Brazil
- Subcontractors based in Sao Paulo, Brazil
- Subcontractors based in Calgary, Canada
- Subcontractors based in Edmonton, Canada
- Subcontractors based in Laval, Canada
Browse the directory
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
- Subcontractors based in Melbourne, Australia
- Subcontractors based in Perth, Australia
- Subcontractors based in Sydney, Australia
- Subcontractors based in Belo Horizonte, Brazil
- Subcontractors based in Campinas, Brazil
- Subcontractors based in Curitiba, Brazil
Company intelligence · public preview
Top 25 subcontractors 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 508 matching company records for subcontractors based in Spain, with 8,441 tracked contacts and 734 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: November 6, 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 subcontractors 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 |  Sanjose Constructoraconstructorasanjose.comHQ: Tres Cantos, SpainReported employees: 1,001-5,000 | Tres Cantos, Spain | 1,001-5,000 | Exact match | 1,534 contacts → |
“SANJOSE is one of the top construction companies within the sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  SEMIgruposemi.comHQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 863 contacts → |
“Created in 1919, SEMI is a leading company in the electricity and industrial sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Vita Construccionesvitaconstrucciones.comHQ: Madrid, SpainReported employees: Not recorded | Madrid, Spain | Not recorded | Exact match | 576 contacts → |
“Vita Construcciones desde 1953 es una empresa especializada en construcción, rehabilitación y reforma integral.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Grupo Masamasagrupo.comHQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 528 contacts → |
“MASA interviene en toda la cadena de actividades en la vida de las instalaciones e infraestructuras, desde su fase de proyecto, hasta la construcción y montaje de la instalación…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Tecsa Empresa Constructora S.Atecsa.esHQ: Bilbo, SpainReported employees: 201-500 | Bilbo, Spain | 201-500 | Exact match | 265 contacts → |
“TECSA Empresa Constructora, S.A, nacida en 1.971 en el entorno ferroviario, es hoy en día una referencia en la construcción y mantenimiento de infraestructuras del transporte.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Construcíaconstrucia.comHQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 137 contacts → |
“Construcía S.L, company specializing in infrastructure development for businesses Our strategy as a company is based on an integrated service offering which combines solutions for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Levantina, Ingeniería Y Construcciónlic-sl.comHQ: Alberic, SpainReported employees: 201-500 | Alberic, Spain | 201-500 | Exact match | 108 contacts → |
“Nuestra empresa LIC, nace en Alberic (Valencia) en el año Su origen es la empresa Soluciones Estructurales SL, con una larga trayectoria en la ejecución de grandes estructuras de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Grupo Maipúmaipuworks.comHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 106 contacts → |
“Grupo Maipú nace en España en 1995.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Emurtelemurtel.esHQ: El Palmar (murcia), SpainReported employees: 51-200 | El Palmar (murcia), Spain | 51-200 | Exact match | 96 contacts → |
“Emurtel es una compañía líder de ingeniería y consultoría multidisciplinar orientada a la gestión integral de proyectos, ofreciendo soluciones de valor añadido en el diseño…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Projects & Facilities Management, S.Lpfmanagement.comHQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 87 contacts → |
“PROJECTS & FACILITIES MANAGEMENT, empresa especializada en gestión de proyectos complejos y grandes operaciones de infraestructuras y edificación, y en servicios de facility…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  SEROMserom.catHQ: Sant Joan Despí, SpainReported employees: 51-200 | Sant Joan Despí, Spain | 51-200 | Exact match | 87 contacts → |
“SERVEIS, OBRES I MANTENIMENT, S.L.(SEROM), fundada l'any 1990, és una empresa constructora compromesa i actual, amb una àmplia experiència en totes les nostres àrees d'activitat…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Genera Quatro, S.Lgeneraquatro.comHQ: Paterna, SpainReported employees: 51-200 | Paterna, Spain | 51-200 | Exact match | 79 contacts → |
“GENERA Q es una empresa especializada en el diseño, ejecución y mantenimiento de instalaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Grulopgrulop.comHQ: Granada, SpainReported employees: 51-200 | Granada, Spain | 51-200 | Exact match | 64 contacts → |
“GRULOP es una constructora de ámbito nacional especializada en ejecutar proyectos de obra civil, infraestructuras y edificación de alta complejidad, transformando cada reto…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Cots I Claretcotsiclaret.comHQ: Manresa, SpainReported employees: 51-200 | Manresa, Spain | 51-200 | Exact match | 56 contacts → |
“A Cots i Claret volem acompanyar-te en la construcció del teu projecte.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Constructora LOS Álamos S.Aalamos.esHQ: Oviedo, SpainReported employees: 51-200 | Oviedo, Spain | 51-200 | Exact match | 50 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 |  OCIDEocide.esHQ: Valencia, SpainReported employees: 51-200 | Valencia, Spain | 51-200 | Exact match | 49 contacts → |
“OCIDE es una compañía consolidada en todas las fases del proceso constructivo, desde la ingeniería, mediante diseño y procesos, pasando por la ejecución y finalizando en la…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Taller DE Construccion TMR SAtallertmr.comHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 45 contacts → |
“Con más de 35 años de trayectoria, TMR es una empresa referente en el sector de la construcción en Madrid.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Añuri Oicón Groupanurioicon.comHQ: Pamplona, SpainReported employees: 51-200 | Pamplona, Spain | 51-200 | Exact match | 42 contacts → |
“AÑURI OICÓN GROUP nace como la suma de dos empresas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Osés Construcciónferminoses.comHQ: Estella, SpainReported employees: 51-200 | Estella, Spain | 51-200 | Exact match | 40 contacts → |
“En Osés Construcción edificamos, construimos, renovamos… Y sobre todo, ofrecemos soluciones integrales a las necesidades de construcción de clientes públicos y privados.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Asfaltos Y Construcciones Elsan, S.Aohla-group.comHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 40 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 |  Gruconsagruconsa.comHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 39 contacts → |
“Grupo Conector S.A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  At4at4grupo.esHQ: Valencia, SpainReported employees: 11-50 | Valencia, Spain | 11-50 | Exact match | 35 contacts → |
“AT4 GRUPO es una empresa, especializada en ejecución de obra.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Alsamasaalsamasa.comHQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 34 contacts → |
“Alsamasa nace en 2005 de la fusión de dos empresas especializadas en construcción e instalaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Esqueiroesqueiro.esHQ: A Coruña, SpainReported employees: 51-200 | A Coruña, Spain | 51-200 | Exact match | 34 contacts → |
“ESQUEIRO, S.L.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Vainsa Infraestructuras, S.Lvainsa.esHQ: Alfafar, SpainReported employees: 51-200 | Alfafar, Spain | 51-200 | Exact match | 33 contacts → |
“VAINSA INFRAESTRUCTURAS SL es una empresa multidisciplinar con sede central en Valencia y con una clara orientación al cliente.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 508 company matches
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Subcontractors: dataset insights
November 6, 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
503 records in the displayed employee bands.
5 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 508 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: November 6, 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 ↗
Subcontractors by metro
Questions about this company list
What does Exact match mean for subcontractors?
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 subcontractors did RevenueBase find based in Spain?
The saved snapshot records 508 matching company records, 8,441 tracked contacts and 734 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: November 6, 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
Subcontractors by geography
- Subcontractors based in Melbourne, Australia
- Subcontractors based in Perth, Australia
- Subcontractors based in Sydney, Australia
- Subcontractors based in Belo Horizonte, Brazil
- Subcontractors based in Campinas, Brazil
- Subcontractors based in Curitiba, Brazil
- Subcontractors based in Rio De Janeiro, Brazil
- Subcontractors based in Salvador, Brazil
- Subcontractors based in Sao Paulo, Brazil
- Subcontractors based in Calgary, Canada
- Subcontractors based in Edmonton, Canada
- Subcontractors based in Laval, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 subcontractors based in Spain. Snapshot: November 6, 2026. https://revenuebase.ai/companies/subcontractors/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
- Subcontractors based in Melbourne, Australia
- Subcontractors based in Perth, Australia
- Subcontractors based in Sydney, Australia
- Subcontractors based in Belo Horizonte, Brazil
- Subcontractors based in Campinas, Brazil
- Subcontractors based in Curitiba, Brazil
Company intelligence · public preview
Top 25 subcontractors based in Spain
RevenueBase records 508 matching company records for subcontractors based in Spain, with 8,441 tracked contacts and 734 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: November 6, 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 subcontractors 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 | Sanjose Constructoraconstructorasanjose.com HQ: Tres Cantos, SpainReported employees: 1,001-5,000 | Tres Cantos, Spain | 1,001-5,000 | Exact match | 1,534 contacts → |
“SANJOSE is one of the top construction companies within the sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | SEMIgruposemi.com HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 863 contacts → |
“Created in 1919, SEMI is a leading company in the electricity and industrial sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Vita Construccionesvitaconstrucciones.com HQ: Madrid, SpainReported employees: Not recorded | Madrid, Spain | Not recorded | Exact match | 576 contacts → |
“Vita Construcciones desde 1953 es una empresa especializada en construcción, rehabilitación y reforma integral.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Grupo Masamasagrupo.com HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 528 contacts → |
“MASA interviene en toda la cadena de actividades en la vida de las instalaciones e infraestructuras, desde su fase de proyecto, hasta la construcción y montaje de la instalación…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Tecsa Empresa Constructora S.Atecsa.es HQ: Bilbo, SpainReported employees: 201-500 | Bilbo, Spain | 201-500 | Exact match | 265 contacts → |
“TECSA Empresa Constructora, S.A, nacida en 1.971 en el entorno ferroviario, es hoy en día una referencia en la construcción y mantenimiento de infraestructuras del transporte.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Construcíaconstrucia.com HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 137 contacts → |
“Construcía S.L, company specializing in infrastructure development for businesses Our strategy as a company is based on an integrated service offering which combines solutions for…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Levantina, Ingeniería Y Construcciónlic-sl.com HQ: Alberic, SpainReported employees: 201-500 | Alberic, Spain | 201-500 | Exact match | 108 contacts → |
“Nuestra empresa LIC, nace en Alberic (Valencia) en el año Su origen es la empresa Soluciones Estructurales SL, con una larga trayectoria en la ejecución de grandes estructuras de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Grupo Maipúmaipuworks.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 106 contacts → |
“Grupo Maipú nace en España en 1995.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Emurtelemurtel.es HQ: El Palmar (murcia), SpainReported employees: 51-200 | El Palmar (murcia), Spain | 51-200 | Exact match | 96 contacts → |
“Emurtel es una compañía líder de ingeniería y consultoría multidisciplinar orientada a la gestión integral de proyectos, ofreciendo soluciones de valor añadido en el diseño…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Projects & Facilities Management, S.Lpfmanagement.com HQ: Barcelona, SpainReported employees: 51-200 | Barcelona, Spain | 51-200 | Exact match | 87 contacts → |
“PROJECTS & FACILITIES MANAGEMENT, empresa especializada en gestión de proyectos complejos y grandes operaciones de infraestructuras y edificación, y en servicios de facility…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | SEROMserom.cat HQ: Sant Joan Despí, SpainReported employees: 51-200 | Sant Joan Despí, Spain | 51-200 | Exact match | 87 contacts → |
“SERVEIS, OBRES I MANTENIMENT, S.L.(SEROM), fundada l'any 1990, és una empresa constructora compromesa i actual, amb una àmplia experiència en totes les nostres àrees d'activitat…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Genera Quatro, S.Lgeneraquatro.com HQ: Paterna, SpainReported employees: 51-200 | Paterna, Spain | 51-200 | Exact match | 79 contacts → |
“GENERA Q es una empresa especializada en el diseño, ejecución y mantenimiento de instalaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Grulopgrulop.com HQ: Granada, SpainReported employees: 51-200 | Granada, Spain | 51-200 | Exact match | 64 contacts → |
“GRULOP es una constructora de ámbito nacional especializada en ejecutar proyectos de obra civil, infraestructuras y edificación de alta complejidad, transformando cada reto…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cots I Claretcotsiclaret.com HQ: Manresa, SpainReported employees: 51-200 | Manresa, Spain | 51-200 | Exact match | 56 contacts → |
“A Cots i Claret volem acompanyar-te en la construcció del teu projecte.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Constructora LOS Álamos S.Aalamos.es HQ: Oviedo, SpainReported employees: 51-200 | Oviedo, Spain | 51-200 | Exact match | 50 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 16 | OCIDEocide.es HQ: Valencia, SpainReported employees: 51-200 | Valencia, Spain | 51-200 | Exact match | 49 contacts → |
“OCIDE es una compañía consolidada en todas las fases del proceso constructivo, desde la ingeniería, mediante diseño y procesos, pasando por la ejecución y finalizando en la…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Taller DE Construccion TMR SAtallertmr.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 45 contacts → |
“Con más de 35 años de trayectoria, TMR es una empresa referente en el sector de la construcción en Madrid.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Añuri Oicón Groupanurioicon.com HQ: Pamplona, SpainReported employees: 51-200 | Pamplona, Spain | 51-200 | Exact match | 42 contacts → |
“AÑURI OICÓN GROUP nace como la suma de dos empresas.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Osés Construcciónferminoses.com HQ: Estella, SpainReported employees: 51-200 | Estella, Spain | 51-200 | Exact match | 40 contacts → |
“En Osés Construcción edificamos, construimos, renovamos… Y sobre todo, ofrecemos soluciones integrales a las necesidades de construcción de clientes públicos y privados.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Asfaltos Y Construcciones Elsan, S.Aohla-group.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 40 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 21 | Gruconsagruconsa.com HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 39 contacts → |
“Grupo Conector S.A.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | At4at4grupo.es HQ: Valencia, SpainReported employees: 11-50 | Valencia, Spain | 11-50 | Exact match | 35 contacts → |
“AT4 GRUPO es una empresa, especializada en ejecución de obra.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Alsamasaalsamasa.com HQ: Barcelona, SpainReported employees: 11-50 | Barcelona, Spain | 11-50 | Exact match | 34 contacts → |
“Alsamasa nace en 2005 de la fusión de dos empresas especializadas en construcción e instalaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Esqueiroesqueiro.es HQ: A Coruña, SpainReported employees: 51-200 | A Coruña, Spain | 51-200 | Exact match | 34 contacts → |
“ESQUEIRO, S.L.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Vainsa Infraestructuras, S.Lvainsa.es HQ: Alfafar, SpainReported employees: 51-200 | Alfafar, Spain | 51-200 | Exact match | 33 contacts → |
“VAINSA INFRAESTRUCTURAS SL es una empresa multidisciplinar con sede central en Valencia y con una clara orientación al cliente.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 508 company matches
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Subcontractors: dataset insights
November 6, 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
503 records in the displayed employee bands.
5 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 508 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: November 6, 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 ↗
Subcontractors by metro
Questions about this company list
What does Exact match mean for subcontractors?
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 subcontractors did RevenueBase find based in Spain?
The saved snapshot records 508 matching company records, 8,441 tracked contacts and 734 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: November 6, 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.
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 subcontractors based in Spain. Snapshot: November 6, 2026. https://revenuebase.ai/companies/subcontractors/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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