Company lists · Data refreshed September 2026
Top 24 Telephone system installers based in Spain
RevenueBase identified 137 telephone system installers headquartered in Spain as of September 2026 and tracks 776 professional contacts across them, including 74 with verified work emails. Madrid is the largest hub.
This list covers telephone system installers headquartered in Spain, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 22, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 24 largest telephone system installers based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 126 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 88 contacts → | ||||
Indirect evidence “Coyser S.A.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 45 contacts → | ||||
Indirect evidence “Ingeniería, Consultoría e Instalación de Telecomunicaciones Trabajamos a nivel local, regional y nacional tanto para pequeñas y medianas empresas como para grandes organizaciones.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 37 contacts → | ||||
Indirect evidence “Confiamos en que nuestros valores y filosofía nos van a llevar muy lejos.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 26 contacts → | ||||
Indirect evidence “ElectroTel Barcelona le ofrece soluciones integradas y completas para sus telecomunicaciones de empresa.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 24 contacts → | ||||
Indirect evidence “Conectamos tus proyectos.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 17 contacts → | ||||
Indirect evidence “Datesa Soluciones S.L, es una empresa que se fundo el 26 de Abril de 2011, dedicada fundamentalmente a la instalación y el mantenimiento de electricidad, voz y datos, fibra…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 16 contacts → | ||||
Indirect evidence “Ingenieria, diseño e implantación de soluciones de Telecomunicaciones para empresas- Centralitas Telefónicas IP/Virtuales- Telefonía y Networking- Cableados estructurados Cat.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 12 contacts → | ||||
Indirect evidence “Cobitratel es una empresa con más de 20 años de experiencia en el área de las telecomunicaciones, especializándose en cableado estructurado, diseño de redes y centralitas de voz…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 8 contacts → | ||||
Indirect evidence “Con el motivo de nuestra continua expansión y experiencia profesional como empresa de servicios de telecomunicaciones, iniciamos este nuevo reto en el año 2013 adaptándonos a las…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 7 contacts → | ||||
Indirect evidence “En Góriz Telecomunicaciones somos más que una empresa del sector: somos el socio tecnológico en el que tu negocio puede apoyarse para crecer con seguridad y eficiencia.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 5 contacts → | ||||
Indirect evidence “Alumbra Instalaciones es una empresa dedicada a la realización y mantenimiento de instalaciones eléctricas y Telecomunicaciones.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 contacts → | ||||
Indirect evidence “El futuro es hoy.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 4 contacts → | ||||
Indirect evidence “VIGUESA DE SOFTWARE Y SERVICIOS INFORMATICOS SL es una empresa que engloba consultoría, instalación, mantenimiento y soporte técnico en sistemas informáticos y de…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 contacts → | ||||
Indirect evidence “Beta Sánchez S.L, nace en 1992, basando sus actividades en el desarrollo, instalación de centralitas, cableados de voz-datos, megafonía e interfonía, además de consultaría en…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 3 contacts → | ||||
Indirect evidence “En Comunicaciones Unidades del Sur apostamos por un proyecto empresarial de futuro.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 contacts → | ||||
Indirect evidence “Empresa dedicada a los servicios informáticos y la comunicación.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 3 contacts → | ||||
Indirect evidence “LA REPARACION Y MANTENIMIENTO DE PRODUCTOS E INSTALACIONES INFORMATICAS.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 contacts → | ||||
Indirect evidence “A través de esta web queremos poner en conocimiento nuestras nuevas instalaciones, gama de productos y servicios, en definitiva nuestro crecimiento, que ha sido posible gracias a…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2 contacts → | ||||
Indirect evidence “Llevamos muchos años proporcionando soluciones fiables a empresas.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1 contacts → | ||||
Indirect evidence “Global 6tem és una empresa jove però amb un personal amb més de 20 anys d'experiència al camp de les telecomunicacions.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 contacts → | ||||
Indirect evidence “Sotelecc nace en el año 2011 de la unión de profesionales con dilatada experiencia en el sector de las telecomunicaciones y electricidad, con vocación innovadora en el campo de…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 contacts → | ||||
Indirect evidence “SAT Garrido, nace como sucesión familiar de TRANSYEL, con más de 40 años al servicio de nuestros clientes.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Indirect evidence “Empresa instaladora y mantenedora de sistemas de telecomunicaciones y Seguridad electrónica.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: telephone system installers. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names telephone system installers.
- Partial evidence
- Its own public description names part of telephone system installers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name telephone system installers. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 24 of 137 telephone system installers based in Spain
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Telephone system installers based in Spain at a glance
As of Sep 22, 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 137 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among telephone system installers, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Spain whose own description of what they do matches “telephone system installers”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names telephone system installers), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among telephone system installers, and records with no verified work email. Companies headquartered outside Spain are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 74 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 22, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names telephone system installers, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many telephone system installers are there based in Spain?
RevenueBase identified 137 telephone system installers headquartered in Spain as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Ambar Telecomunicaciones, headquartered in Santander, tops this list with the largest team on record.
Which city has the most telephone system installers?
Madrid leads with 19 headquartered companies, followed by Barcelona (5) and Malaga (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 74 verified decision-maker contacts tracked across these 137 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 22, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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