Company lists · Data refreshed November 2026

Top 25 Telecommunications system integrators based in Portugal

RevenueBase identified 143 company matches for telecommunications system integrators associated with Portugal as of November 2026 and tracks 2,372 professional contacts across them, including 701 with verified work emails. Lisbon is the largest hub.

This list covers company matches for telecommunications system integrators 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 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
143Companies
2,372Contacts tracked
701Verified emails
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The 25 largest telecommunications system integrators based in Portugal

Ranked by team size
Top 25 of 143 company matches for telecommunications system integrators based in Portugal, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLisbon, PortugalHQ recorded Nov 6, 20261,001-5,000342 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 · Nov 6, 2026 · View company records in RevenueBase
2Exact matchCarnaxide, PortugalHQ recorded Nov 6, 2026201-500254 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchAmadora, PortugalHQ recorded Nov 6, 202651-200118 contacts →

Exact match

“Warpcom is the market leader in deploying unified communications and collaboration, contact center, mobility, cybersecurity, and data center and cloud solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLisbon, PortugalHQ recorded Nov 6, 202651-200114 contacts →

Exact match

“Quem Somos: A PROSONIC é uma empresa de prestigiado nível nacional, com a Certificação de Qualidade ISO 9001:2008, com instalações em Lisboa no Taguspark, estando também presente…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAveiro, PortugalHQ recorded Nov 6, 202651-200101 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchErmesinde, PortugalHQ recorded Nov 6, 202651-20087 contacts →

Exact match

“Having a close relationship with our partners, in Samsys we are dedicated to the delivery and implementation of information systems suited to the specific needs of each business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchCarnaxide, PortugalHQ recorded Nov 6, 202651-20063 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchPorto, PortugalHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“A oferta da Divultec é centrada na Integração de Sistemas, oferecendo soluções de backup, comunicações, segurança, infraestruturas de servidores e armazenamento, virtualização…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchLisbon, PortugalHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“RoundB is an Engineering company founded in 2015, operating in the telecommunications sector.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSão Domingos De Rana, PortugalHQ recorded Nov 6, 202611-5047 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchPonta Delgada, PortugalHQ recorded Nov 6, 202651-20046 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 · Nov 6, 2026 · View company records in RevenueBase
12Exact matchCoimbra, PortugalHQ recorded Nov 6, 202611-5044 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMatosinhos, PortugalHQ recorded Nov 6, 202611-5036 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 · Nov 6, 2026 · View company records in RevenueBase
14Exact matchVila Nova De Santo André, PortugalHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“A PLEXUS é uma empresa que se especializou no campo da integração de sistemas, que consiste na ligação de vários sistemas autónomos uns aos outros, de forma a que aparentem e se…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAveiro, PortugalHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Fundada em 1996, em Aveiro, a Metaveiro - Segurança e Telecomunicações destaca-se com uma vasta experiência e um portfólio abrangente de clientes e serviços nos setores de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchLeiria, PortugalHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“A hes é uma empresa prestadora de serviços e fornecedora de soluções globais na área dos sistemas de informação.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSintra, PortugalHQ recorded Nov 6, 2026201-50023 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchLisbon, PortugalHQ recorded Nov 6, 202611-5021 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 · Nov 6, 2026 · View company records in RevenueBase
19Exact matchOlival Basto, PortugalHQ recorded Nov 6, 202651-20018 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 · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMaia, PortugalHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“SYSCONNECT integrates the best and most sophisticated IT and communication technologies in the market, in order to create mechanisms and processes that cross the organizations…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchVagos, PortugalHQ recorded Nov 6, 202611-5016 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 · Nov 6, 2026 · View company records in RevenueBase
22Exact matchFunchal, PortugalHQ recorded Nov 6, 202651-20016 contacts →

Exact match

“Instalações Eléctricas e de Telecomunicações”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchLoures, PortugalHQ recorded Nov 6, 202651-20014 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 · Nov 6, 2026 · View company records in RevenueBase
24Exact matchVila Do Conde, PortugalHQ recorded Nov 6, 20261-1013 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 · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCarnaxide, PortugalHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“GTC is a Portuguese Broadcast and Media Technology Integrator founded in 1989.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 143 telecommunications system integrators based in Portugal

See the full list, filter by size, metro and specialty, and access 701 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecommunications system integrators based in Portugal at a glance

As of Nov 6, 2026
29.6%Verified-email coverage
16.6Average contacts per company
11-50Median size (employees)
14.0%Largest-city concentration · Lisbon
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
55
11-50
62
51-200
18
201-500
3
501-1,000
1
1,001-5,000
1
5,001-10,000
1
10001+
1

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 143 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 “telecommunications system integrators” 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 701 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.

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 “telecommunications system integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecommunications system integrators are there based in Portugal?

RevenueBase identified 143 company matches for telecommunications system integrators associated with Portugal 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?

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 telecommunications system integrators?

Lisbon leads with 20 company records, followed by Coimbra (8) and Amadora (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 701 professional contacts with verified work emails tracked across these 143 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.

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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.