Company lists · Data refreshed September 2026

Top 25 Telecommunication engineering firms based in Portugal

Name: Telecommunication engineering firms based in Portugal
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 136 companies tracked

RevenueBase identified 136 company matches for telecommunication engineering firms associated with Portugal as of September 2026 and tracks 1,842 professional contacts across them, including 511 with verified work emails. Lisbon is the largest hub.

This list covers company matches for telecommunication engineering firms associated with Portugal, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 30, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 30, 2026 How this list was built

136Companies

1,842Contacts tracked

511Verified emails

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The 25 largest telecommunication engineering firms based in Portugal

Ranked by team size

Top 25 of 136 company matches for telecommunication engineering firms based in Portugal, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 30, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Telcabo S.A	Exact match	Lisbon, PortugalHQ recorded Sep 30, 2026	1,001-5,000	313 contacts →
	Exact match “Telcabo, established in 1986, is a leading Telecommunications and Energy Services Provider with a global and complete End-to-End offer aimed to meet the most demanding customers.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
2	Futurcabo	Exact match	Carnaxide, PortugalHQ recorded Sep 30, 2026	201-500	217 contacts →
	Exact match “A Futurcabo é uma empresa fundada em 1997, e com experiência comprovada como “Service Provider Global” da NOS nos Sistemas de Televisão e Internet.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
3	Sinalcabo	Exact match	Sintra, PortugalHQ recorded Sep 30, 2026	501-1,000	134 contacts →
	Exact match “A SINALCABO iniciou a sua atividade em 1996 no sector das Telecomunicações, sendo a empresa mais antiga do Grupo, o qual integra também a Sinaltech (Soluções ICT Empresariais) e a…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
4	RIS 2048	Exact match	Aveiro, PortugalHQ recorded Sep 30, 2026	51-200	97 contacts →
	Exact match “RIS 2048 is a society constituted in the year to aggregate into a single structure the activity of several information systems companies that operated in Portugal’s Northern…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
5	Wavecom Portugal	Exact match	Aveiro, PortugalHQ recorded Sep 30, 2026	51-200	79 contacts →
	Exact match “A Wavecom é uma empresa de engenharia de comunicações, que aposta na inovação e na criação de produtos e soluções próprias e diferenciadoras.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
6	Paldata	Exact match	Carnaxide, PortugalHQ recorded Sep 30, 2026	51-200	55 contacts →
	Exact match “Founded in 1987 as a specialized manufacturer and integrator of telecommunications solutions for operators and enterprises, PAHLDATA has become a renowned ally of organizations…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
7	Setling	Exact match	Sacavém, PortugalHQ recorded Sep 30, 2026	51-200	51 contacts →
	Exact match “Somos uma empresa de telecomunicações, muito focados em soluções chave-na-mão de redes fixas (HFC, FTTx) e móveis (GSM/ UMTS/ WCDMA e Wi-Fi).” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
8	Roundb Engineering	Exact match	Lisbon, PortugalHQ recorded Sep 30, 2026	51-200	46 contacts →
	Exact match “RoundB is an Engineering company founded in 2015, operating in the telecommunications sector.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
9	Globaleda.S.A	Exact match	Ponta Delgada, PortugalHQ recorded Sep 30, 2026	51-200	44 contacts →
	Exact match “A GLOBALEDA, criada em 1997, contando atualmente com cerca de 100 colaboradores, é uma empresa empreendedora e de base tecnológica, na área da engenharia dos sistemas de…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
10	Onesource, Consultoria Informática LDA	Exact match	Coimbra, PortugalHQ recorded Sep 30, 2026	11-50	43 contacts →
	Exact match “OneSource is an IT company specialized in the fields of data communications, security, networking and systems management, including the consultancy, auditing, design, development…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
11	Acitel	Exact match	São Domingos De Rana, PortugalHQ recorded Sep 30, 2026	11-50	41 contacts →
	Exact match “ACITEL 4 - SERVIÇOS DE TELECOMUNICAÇÕES, S.A, Empresa integrada no Grupo ACITEL, com 30 anos de experiência no Mercado de Telecomunicações, tem conquistado uma posição de…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
12	Active SYS	Exact match	Matosinhos, PortugalHQ recorded Sep 30, 2026	11-50	31 contacts →
	Exact match “Project started in 2017 and developed by experienced professionals in the area of information technologies, with deep knowledge of the national and international market, having…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
13	Overwan	Exact match	Lisbon, PortugalHQ recorded Sep 30, 2026	11-50	24 contacts →
	Exact match “We are a computer consulting company born in 2011, specialized in maintenance, monitoring and management services of computer resources.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
14	Netlink S.A	Exact match	Sintra, PortugalHQ recorded Sep 30, 2026	201-500	20 contacts →
	Exact match “A Netlink tem um conhecimento alargado no setor das telecomunicações, possibilitando a apresentação de soluções integradas nas fases de projeto, planeamento, instalação e…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
15	TKT Serviços DE Telecomunicações, LDA	Exact match	Lisbon, PortugalHQ recorded Sep 30, 2026	11-50	18 contacts →
	Exact match “TKT Services is the latest TKT Group company, focused on providing services in the Telecommunications and Multimedia area.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
16	Indutora	Exact match	Funchal, PortugalHQ recorded Sep 30, 2026	51-200	16 contacts →
	Exact match “Instalações Eléctricas e de Telecomunicações” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
17	Ifisicas, SA	Exact match	Loures, PortugalHQ recorded Sep 30, 2026	51-200	15 contacts →
	Exact match “Founded in 1995, IFisicas provides services for the installation, maintenance and management of telecommunications, energy and transportation infrastructures, in the national and…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
18	Trimono	Exact match	Olival Basto, PortugalHQ recorded Sep 30, 2026	51-200	15 contacts →
	Exact match “About Trimono Founded in 2001, Trimono Electrical Installations quickly became a trusted name in Portugal’s electrical installation sector.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
19	Noshut, LDA	Exact match	Vila Do Conde, PortugalHQ recorded Sep 30, 2026	1-10	13 contacts →
	Exact match “Founded in 2018, we are a service company in the area of Information and Communication Technologies.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
20	Solvit	Exact match	Angra Do Heroismo, PortugalHQ recorded Sep 30, 2026	11-50	13 contacts →
	Exact match “Engineering services.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
21	Rederia Innovation	Exact match	Vagos, PortugalHQ recorded Sep 30, 2026	11-50	12 contacts →
	Exact match “We established in 1995 focusing our activities in providing services, implementing projects, installation and maintenance of telecommunication, telemetry and control networks.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
22	Diverinstal	Exact match	Sintra, PortugalHQ recorded Sep 30, 2026	51-200	11 contacts →
	Exact match “Diverinstal, founded in 2001, is a company that operates in Energy, Telecommunications, Industrial installations.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
23	Trustvision	Exact match	Viseu, PortugalHQ recorded Sep 30, 2026	1-10	10 contacts →
	Exact match “A empresa é reconhecida pela qualidade dos serviços e recursos humanos, assume-se com uma fortíssima vertente de conceção, venda e implementação de soluções integradas, vertente…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
24	Maistel	Exact match	Vizela, PortugalHQ recorded Sep 30, 2026	11-50	8 contacts →
	Exact match “Somos mais.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase
25	Setesys	Exact match	Vila Nova De Gaia, PortugalHQ recorded Sep 30, 2026	11-50	5 contacts →
	Exact match “SETESYS started business in March 2011 and shows already a high development as also a growth in its self-sustaining capacity.” Recorded in the RevenueBase company graph · Sep 30, 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 “telecommunication 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 136 telecommunication engineering firms based in Portugal

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Telecommunication engineering firms based in Portugal at a glance

As of Sep 30, 2026

27.7%Verified-email coverage

13.5Average contacts per company

11-50Median size (employees)

11.8%Largest-city concentration · Lisbon

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for Portugal, so it is reported there. Company counts and contact totals on this page are exact for Portugal, over 136 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 Portugal whose business descriptions match “telecommunication 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 511 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on September 30, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “telecommunication engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecommunication engineering firms are there based in Portugal?

RevenueBase identified 136 company matches for telecommunication engineering firms associated with Portugal as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Telcabo S.A tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most telecommunication engineering firms?

Lisbon leads with 16 company records, followed by Porto (9) and Coimbra (6).

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 511 professional contacts with verified work emails tracked across these 136 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 30, 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 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.