Company lists · Data refreshed November 2026
Top 25 Telecom engineering firms based in Spain
RevenueBase identified 695 company matches for telecom engineering firms associated with Spain as of November 2026 and tracks 14,957 professional contacts across them, including 1,968 with verified work emails. Madrid is the largest hub.
This list covers company matches for telecom engineering 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 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 telecom engineering firms based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,164 contacts → | ||||
Exact match “En Zelenza somos líderes en servicios integrados TIC, Ingeniería de Redes Telco, Defensa y Seguridad y Customer Experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 810 contacts → | ||||
Exact match “NUNSYS es una empresa especializada en la Implantación de Soluciones Integrales de Tecnología.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 760 contacts → | ||||
Exact match “OFG is an international company with more than 20 years of experience in the telecommunications sector.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 755 contacts → | ||||
Exact match “Empresa especializada en la ingenieria, desarrollo, construccion, instalación, y puesta en marcha de instalaciones de telecomunicaciones, electricidad, señalización, redes de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 529 contacts → | ||||
Exact match “Circet España, empresa líder del sector de las telecomunicaciones en España, con implantación a nivel Nacional.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 525 contacts → | ||||
Exact match “Nae is an international consulting firm specialized in the telecom sector, providing deal & strategy, business, and technology advisory services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 392 contacts → | ||||
Exact match “En Axians, la marca especializada en TIC de VINCI Energies, impulsamos a nuestros clientes -empresas del sector privado, entidades del sector público, operadores y proveedores de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 336 contacts → | ||||
Exact match “CIC, Consulting Informático de Cantabria, is an engineering and software development company founded in 1990, with a solid track record for communications, system integration and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 288 contacts → | ||||
Exact match “Lps Grupo has extensive experience in the telecommunications sector thanks to a team of professionals with knowledge in the development of projects and technical feasibility, in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 176 contacts → | ||||
Exact match “eXperience es una empresa de servicios orientada al mercado de las Tecnologías de la Información y las Telecomunicaciones, dando soluciones integrales en las áreas de consultoría…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 166 contacts → | ||||
Exact match “Somos una marca global de Ingeniería en integración de soluciones de Telecomunicaciones y Sistemas IT con más de 35 años de experiencia.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 155 contacts → | ||||
Exact match “Somos ALDABA.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 145 contacts → | ||||
Exact match “The GABITEL Group has its origin in 2001, with an initial activity in telecommunications engineering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 145 contacts → | ||||
Exact match “El Grupo INSTELCA es proveedor global de servicios de Telecomunicaciones, Redes e Informática con más de 30 años de experiencia y con una clara orientación al clientes que nos ha…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 138 contacts → | ||||
Exact match “GECI is a worldwide High Technology, Engineering, E&M support, Outsourcing & Logistics and Consulting Group, which has been providing for over 25 years technical and commercial…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 133 contacts → | ||||
Exact match “Ámbar Telecomunicaciones es una empresa de ingeniería especializada en la integración global de sistemas de comunicación, que centra su actividad en el diseño, instalación y…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 128 contacts → | ||||
Exact match “Deusto Sistemas, nacida en la ciudad de Vitoria-Gasteiz en Febrero de 2001, es una empresa de ingeniería informática, con más de 160 profesionales repartidos por sus oficinas de…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 123 contacts → | ||||
Exact match “Empresa cualificada y especializada en la instalación y mantenimiento de redes y equipos de telecomunicaciones.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 121 contacts → | ||||
Exact match “NOKIA TECSS somos una empresa de servicios del sector de las Telecomunicaciones.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 119 contacts → | ||||
Exact match “Smart Telecom Consulting, empresa de ingeniería especializada en el campo de la telefonia móvil ofreciendo soluciones integrales a nuestros clientes desde el año 2004.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 116 contacts → | ||||
Exact match “Órbita Ingeniería es una empresa dedicada al diseño, fabricación y puesta en marcha de soluciones tecnológicas que mejoran los procesos operativos de nuestros clientes, aumentando…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 97 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 96 contacts → | ||||
Exact match “Telecomunicación de Levante (Teleco) inició su actividad hace más de tres décadas con Telefónica como principal cliente.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 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 | |||||
| 25 | 95 contacts → | ||||
Exact match “Electroinnova instalaciones y mantenimientos S.L es una empresa asturiana con una clara voación de expansión internacional que nace con el objetivo de ofrecer y solucionar…” 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 “telecom engineering 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 695 telecom engineering firms based in Spain
See the full list, filter by size, metro and specialty, and access 1,968 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Telecom engineering firms 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 695 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 “telecom engineering 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 1,968 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.
Telecom engineering 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 “telecom engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many telecom engineering firms are there based in Spain?
RevenueBase identified 695 company matches for telecom engineering firms 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?
Zelenza tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most telecom engineering firms?
Madrid leads with 129 company records, followed by Barcelona (50) and Malaga (19).
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 1,968 professional contacts with verified work emails tracked across these 695 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 695 telecom engineering firms based in Spain. Start with a free account, no credit card.
Download this list →Related lists
Telecom engineering firms by geography
- Telecom engineering firms based in Buenos Aires, Argentina
- Telecom engineering firms based in Brisbane, Australia
- Telecom engineering firms based in Melbourne, Australia
- Telecom engineering firms based in Sydney, Australia
- Telecom engineering firms based in Belo Horizonte, Brazil
- Telecom engineering firms based in Campinas, Brazil
- Telecom engineering firms based in Curitiba, Brazil
- Telecom engineering firms based in Porto Alegre, Brazil
- Telecom engineering firms based in Rio De Janeiro, Brazil
- Telecom engineering firms based in Sao Paulo, Brazil
- Telecom engineering firms based in Calgary, Canada
- Telecom engineering firms based in Mississauga, 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.
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- Telecom engineering firms based in Buenos Aires, Argentina
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Company intelligence · public preview
Top 25 telecom engineering 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 695 matching company records for telecom engineering firms based in Spain, with 14,957 tracked contacts and 1,968 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 telecom engineering 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 |  Zelenzazelenza.comHQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 1,164 contacts → |
“En Zelenza somos líderes en servicios integrados TIC, Ingeniería de Redes Telco, Defensa y Seguridad y Customer Experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Nunsysnunsys.comHQ: Paterna, SpainReported employees: 1,001-5,000 | Paterna, Spain | 1,001-5,000 | Exact match | 810 contacts → |
“NUNSYS es una empresa especializada en la Implantación de Soluciones Integrales de Tecnología.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  OFGofg.esHQ: Córdoba, SpainReported employees: 1,001-5,000 | Córdoba, Spain | 1,001-5,000 | Exact match | 760 contacts → |
“OFG is an international company with more than 20 years of experience in the telecommunications sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Comfica Soluciones Integrales S.Lcomfica.comHQ: Fuenlabrada, SpainReported employees: 201-500 | Fuenlabrada, Spain | 201-500 | Exact match | 755 contacts → |
“Empresa especializada en la ingenieria, desarrollo, construccion, instalación, y puesta en marcha de instalaciones de telecomunicaciones, electricidad, señalización, redes de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Circet Españacircet.esHQ: Seville, SpainReported employees: 1,001-5,000 | Seville, Spain | 1,001-5,000 | Exact match | 529 contacts → |
“Circet España, empresa líder del sector de las telecomunicaciones en España, con implantación a nivel Nacional.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  NAEnae.globalHQ: Barcelona, SpainReported employees: 501-1,000 | Barcelona, Spain | 501-1,000 | Exact match | 525 contacts → |
“Nae is an international consulting firm specialized in the telecom sector, providing deal & strategy, business, and technology advisory services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Axians Spainaxians.esHQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 392 contacts → |
“En Axians, la marca especializada en TIC de VINCI Energies, impulsamos a nuestros clientes -empresas del sector privado, entidades del sector público, operadores y proveedores de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Santander, SpainReported employees: 201-500 | Santander, Spain | 201-500 | Exact match | 336 contacts → |
“CIC, Consulting Informático de Cantabria, is an engineering and software development company founded in 1990, with a solid track record for communications, system integration and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Grupo LPSlpsgrupo.comHQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 288 contacts → |
“Lps Grupo has extensive experience in the telecommunications sector thanks to a team of professionals with knowledge in the development of projects and technical feasibility, in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Experience IT Solutionsexperienceis.comHQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 176 contacts → |
“eXperience es una empresa de servicios orientada al mercado de las Tecnologías de la Información y las Telecomunicaciones, dando soluciones integrales en las áreas de consultoría…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Powernetpowernet.esHQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 166 contacts → |
“Somos una marca global de Ingeniería en integración de soluciones de Telecomunicaciones y Sistemas IT con más de 35 años de experiencia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Aldabaaldaba.esHQ: A Coruña, SpainReported employees: 51-200 | A Coruña, Spain | 51-200 | Exact match | 155 contacts → |
“Somos ALDABA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Gabitel Ingenierosgabitel.netHQ: Huelva, SpainReported employees: 51-200 | Huelva, Spain | 51-200 | Exact match | 145 contacts → |
“The GABITEL Group has its origin in 2001, with an initial activity in telecommunications engineering.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Instelcainstelca.comHQ: Málaga, SpainReported employees: 201-500 | Málaga, Spain | 201-500 | Exact match | 145 contacts → |
“El Grupo INSTELCA es proveedor global de servicios de Telecomunicaciones, Redes e Informática con más de 30 años de experiencia y con una clara orientación al clientes que nos ha…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Geci Groupgeciweb.comHQ: El Puerto De Santa María, SpainReported employees: 51-200 | El Puerto De Santa María, Spain | 51-200 | Exact match | 138 contacts → |
“GECI is a worldwide High Technology, Engineering, E&M support, Outsourcing & Logistics and Consulting Group, which has been providing for over 25 years technical and commercial…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ambar Telecomunicacionesambar.esHQ: Santander, SpainReported employees: 201-500 | Santander, Spain | 201-500 | Exact match | 133 contacts → |
“Ámbar Telecomunicaciones es una empresa de ingeniería especializada en la integración global de sistemas de comunicación, que centra su actividad en el diseño, instalación y…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Deusto Seidorseidor.comHQ: Vitoria-gasteiz, SpainReported employees: 5,001-10,000 | Vitoria-gasteiz, Spain | 5,001-10,000 | Exact match | 128 contacts → |
“Deusto Sistemas, nacida en la ciudad de Vitoria-Gasteiz en Febrero de 2001, es una empresa de ingeniería informática, con más de 160 profesionales repartidos por sus oficinas de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cablevencableven.esHQ: Málaga, SpainReported employees: 501-1,000 | Málaga, Spain | 501-1,000 | Exact match | 123 contacts → |
“Empresa cualificada y especializada en la instalación y mantenimiento de redes y equipos de telecomunicaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Nokia Tecssnokia.comHQ: Alcobendas, SpainReported employees: 201-500 | Alcobendas, Spain | 201-500 | Exact match | 121 contacts → |
“NOKIA TECSS somos una empresa de servicios del sector de las Telecomunicaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Smartel Españasmartel.esHQ: Erandio, SpainReported employees: 51-200 | Erandio, Spain | 51-200 | Exact match | 119 contacts → |
“Smart Telecom Consulting, empresa de ingeniería especializada en el campo de la telefonia móvil ofreciendo soluciones integrales a nuestros clientes desde el año 2004.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Órbita Ingeniería S.Lorbitaingenieria.esHQ: Alcàsser, SpainReported employees: 51-200 | Alcàsser, Spain | 51-200 | Exact match | 116 contacts → |
“Órbita Ingeniería es una empresa dedicada al diseño, fabricación y puesta en marcha de soluciones tecnológicas que mejoran los procesos operativos de nuestros clientes, aumentando…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  ICCAiccaweb.comHQ: Las Rozas, SpainReported employees: 51-200 | Las Rozas, Spain | 51-200 | Exact match | 97 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 |  Telecomunicación DE Levante SLzener.esHQ: Alicante, SpainReported employees: 1,001-5,000 | Alicante, Spain | 1,001-5,000 | Exact match | 96 contacts → |
“Telecomunicación de Levante (Teleco) inició su actividad hace más de tres décadas con Telefónica como principal cliente.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  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. | |||||
| 25 |  Iquordiquord.euHQ: Aviles, SpainReported employees: 51-200 | Aviles, Spain | 51-200 | Exact match | 95 contacts → |
“Electroinnova instalaciones y mantenimientos S.L es una empresa asturiana con una clara voación de expansión internacional que nace con el objetivo de ofrecer y solucionar…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 695 company matches
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Telecom engineering firms: 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
684 records in the displayed employee bands.
11 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 695 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 ↗
Telecom engineering firms by metro
Questions about this company list
What does Exact match mean for telecom engineering 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 telecom engineering firms did RevenueBase find based in Spain?
The saved snapshot records 695 matching company records, 14,957 tracked contacts and 1,968 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
Telecom engineering firms by geography
- Telecom engineering firms based in Buenos Aires, Argentina
- Telecom engineering firms based in Brisbane, Australia
- Telecom engineering firms based in Melbourne, Australia
- Telecom engineering firms based in Sydney, Australia
- Telecom engineering firms based in Belo Horizonte, Brazil
- Telecom engineering firms based in Campinas, Brazil
- Telecom engineering firms based in Curitiba, Brazil
- Telecom engineering firms based in Porto Alegre, Brazil
- Telecom engineering firms based in Rio De Janeiro, Brazil
- Telecom engineering firms based in Sao Paulo, Brazil
- Telecom engineering firms based in Calgary, Canada
- Telecom engineering firms based in Mississauga, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 telecom engineering firms based in Spain. Snapshot: November 6, 2026. https://revenuebase.ai/companies/telecom-engineering-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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Company intelligence · public preview
Top 25 telecom engineering firms based in Spain
RevenueBase records 695 matching company records for telecom engineering firms based in Spain, with 14,957 tracked contacts and 1,968 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 telecom engineering 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 | Zelenzazelenza.com HQ: Madrid, SpainReported employees: 1,001-5,000 | Madrid, Spain | 1,001-5,000 | Exact match | 1,164 contacts → |
“En Zelenza somos líderes en servicios integrados TIC, Ingeniería de Redes Telco, Defensa y Seguridad y Customer Experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Nunsysnunsys.com HQ: Paterna, SpainReported employees: 1,001-5,000 | Paterna, Spain | 1,001-5,000 | Exact match | 810 contacts → |
“NUNSYS es una empresa especializada en la Implantación de Soluciones Integrales de Tecnología.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | OFGofg.es HQ: Córdoba, SpainReported employees: 1,001-5,000 | Córdoba, Spain | 1,001-5,000 | Exact match | 760 contacts → |
“OFG is an international company with more than 20 years of experience in the telecommunications sector.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Comfica Soluciones Integrales S.Lcomfica.com HQ: Fuenlabrada, SpainReported employees: 201-500 | Fuenlabrada, Spain | 201-500 | Exact match | 755 contacts → |
“Empresa especializada en la ingenieria, desarrollo, construccion, instalación, y puesta en marcha de instalaciones de telecomunicaciones, electricidad, señalización, redes de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Circet Españacircet.es HQ: Seville, SpainReported employees: 1,001-5,000 | Seville, Spain | 1,001-5,000 | Exact match | 529 contacts → |
“Circet España, empresa líder del sector de las telecomunicaciones en España, con implantación a nivel Nacional.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | NAEnae.global HQ: Barcelona, SpainReported employees: 501-1,000 | Barcelona, Spain | 501-1,000 | Exact match | 525 contacts → |
“Nae is an international consulting firm specialized in the telecom sector, providing deal & strategy, business, and technology advisory services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Axians Spainaxians.es HQ: Madrid, SpainReported employees: 501-1,000 | Madrid, Spain | 501-1,000 | Exact match | 392 contacts → |
“En Axians, la marca especializada en TIC de VINCI Energies, impulsamos a nuestros clientes -empresas del sector privado, entidades del sector público, operadores y proveedores de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Santander, SpainReported employees: 201-500 | Santander, Spain | 201-500 | Exact match | 336 contacts → |
“CIC, Consulting Informático de Cantabria, is an engineering and software development company founded in 1990, with a solid track record for communications, system integration and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Grupo LPSlpsgrupo.com HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 288 contacts → |
“Lps Grupo has extensive experience in the telecommunications sector thanks to a team of professionals with knowledge in the development of projects and technical feasibility, in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Experience IT Solutionsexperienceis.com HQ: Madrid, SpainReported employees: 201-500 | Madrid, Spain | 201-500 | Exact match | 176 contacts → |
“eXperience es una empresa de servicios orientada al mercado de las Tecnologías de la Información y las Telecomunicaciones, dando soluciones integrales en las áreas de consultoría…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Powernetpowernet.es HQ: Madrid, SpainReported employees: 51-200 | Madrid, Spain | 51-200 | Exact match | 166 contacts → |
“Somos una marca global de Ingeniería en integración de soluciones de Telecomunicaciones y Sistemas IT con más de 35 años de experiencia.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Aldabaaldaba.es HQ: A Coruña, SpainReported employees: 51-200 | A Coruña, Spain | 51-200 | Exact match | 155 contacts → |
“Somos ALDABA.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Gabitel Ingenierosgabitel.net HQ: Huelva, SpainReported employees: 51-200 | Huelva, Spain | 51-200 | Exact match | 145 contacts → |
“The GABITEL Group has its origin in 2001, with an initial activity in telecommunications engineering.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Instelcainstelca.com HQ: Málaga, SpainReported employees: 201-500 | Málaga, Spain | 201-500 | Exact match | 145 contacts → |
“El Grupo INSTELCA es proveedor global de servicios de Telecomunicaciones, Redes e Informática con más de 30 años de experiencia y con una clara orientación al clientes que nos ha…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Geci Groupgeciweb.com HQ: El Puerto De Santa María, SpainReported employees: 51-200 | El Puerto De Santa María, Spain | 51-200 | Exact match | 138 contacts → |
“GECI is a worldwide High Technology, Engineering, E&M support, Outsourcing & Logistics and Consulting Group, which has been providing for over 25 years technical and commercial…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ambar Telecomunicacionesambar.es HQ: Santander, SpainReported employees: 201-500 | Santander, Spain | 201-500 | Exact match | 133 contacts → |
“Ámbar Telecomunicaciones es una empresa de ingeniería especializada en la integración global de sistemas de comunicación, que centra su actividad en el diseño, instalación y…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Deusto Seidorseidor.com HQ: Vitoria-gasteiz, SpainReported employees: 5,001-10,000 | Vitoria-gasteiz, Spain | 5,001-10,000 | Exact match | 128 contacts → |
“Deusto Sistemas, nacida en la ciudad de Vitoria-Gasteiz en Febrero de 2001, es una empresa de ingeniería informática, con más de 160 profesionales repartidos por sus oficinas de…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cablevencableven.es HQ: Málaga, SpainReported employees: 501-1,000 | Málaga, Spain | 501-1,000 | Exact match | 123 contacts → |
“Empresa cualificada y especializada en la instalación y mantenimiento de redes y equipos de telecomunicaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Nokia Tecssnokia.com HQ: Alcobendas, SpainReported employees: 201-500 | Alcobendas, Spain | 201-500 | Exact match | 121 contacts → |
“NOKIA TECSS somos una empresa de servicios del sector de las Telecomunicaciones.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Smartel Españasmartel.es HQ: Erandio, SpainReported employees: 51-200 | Erandio, Spain | 51-200 | Exact match | 119 contacts → |
“Smart Telecom Consulting, empresa de ingeniería especializada en el campo de la telefonia móvil ofreciendo soluciones integrales a nuestros clientes desde el año 2004.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Órbita Ingeniería S.Lorbitaingenieria.es HQ: Alcàsser, SpainReported employees: 51-200 | Alcàsser, Spain | 51-200 | Exact match | 116 contacts → |
“Órbita Ingeniería es una empresa dedicada al diseño, fabricación y puesta en marcha de soluciones tecnológicas que mejoran los procesos operativos de nuestros clientes, aumentando…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | ICCAiccaweb.com HQ: Las Rozas, SpainReported employees: 51-200 | Las Rozas, Spain | 51-200 | Exact match | 97 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Telecomunicación DE Levante SLzener.es HQ: Alicante, SpainReported employees: 1,001-5,000 | Alicante, Spain | 1,001-5,000 | Exact match | 96 contacts → |
“Telecomunicación de Levante (Teleco) inició su actividad hace más de tres décadas con Telefónica como principal cliente.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | 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. | |||||
| 25 | Iquordiquord.eu HQ: Aviles, SpainReported employees: 51-200 | Aviles, Spain | 51-200 | Exact match | 95 contacts → |
“Electroinnova instalaciones y mantenimientos S.L es una empresa asturiana con una clara voación de expansión internacional que nace con el objetivo de ofrecer y solucionar…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 695 company matches
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Telecom engineering firms: 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
684 records in the displayed employee bands.
11 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 695 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 ↗
Telecom engineering firms by metro
Questions about this company list
What does Exact match mean for telecom engineering 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 telecom engineering firms did RevenueBase find based in Spain?
The saved snapshot records 695 matching company records, 14,957 tracked contacts and 1,968 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
Telecom engineering firms by geography
- Telecom engineering firms based in Buenos Aires, Argentina
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Cite this list
RevenueBase Data Team. Top 25 telecom engineering firms based in Spain. Snapshot: November 6, 2026. https://revenuebase.ai/companies/telecom-engineering-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
- Telecom engineering firms based in Buenos Aires, Argentina
- Telecom engineering firms based in Brisbane, Australia
- Telecom engineering firms based in Melbourne, Australia
- Telecom engineering firms based in Sydney, Australia
- Telecom engineering firms based in Belo Horizonte, Brazil
- Telecom engineering firms based in Campinas, Brazil