Company lists · Data refreshed November 2026

Top 14 Telecom maintenance contractors based in Portugal

RevenueBase identified 62 company matches for telecom maintenance contractors associated with Portugal as of November 2026 and tracks 970 professional contacts across them, including 214 with verified work emails. Lisbon is the largest hub.

This list covers company matches for telecom maintenance contractors 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
62Companies
970Contacts tracked
214Verified emails
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The 14 largest telecom maintenance contractors based in Portugal

Ranked by team size
Top 14 of 62 company matches for telecom maintenance contractors 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, 2026501-1,000419 contacts →

Exact match

“Wondercom, operating in the market since is a national benchmark when it comes to Field Service.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchSanto Antão Do Tojal, PortugalHQ recorded Nov 6, 202651-20074 contacts →

Exact match

“DRIVETEL was founded in We have as main activities the provision of services in the Telecommunications area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact 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
4Exact 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
5Exact 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
6Exact 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
7Exact 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
8Exact 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
9Exact matchSintra, PortugalHQ recorded Nov 6, 202651-20012 contacts →

Exact match

“Diverinstal, founded in 2001, is a company that operates in Energy, Telecommunications, Industrial installations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAlmada, PortugalHQ recorded Nov 6, 202611-507 contacts →

Exact match

“Fundada no início deste novo milénio com o intuito de responder às novas necessidades de empresas e particulares, nomeadamente no campo da manutenção de instalações e equipamentos…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchAmadora, PortugalHQ recorded Nov 6, 202611-505 contacts →

Exact match

“A Omniprojectos é uma empresa do Grupo Seromni SGPS, integradora de soluções globais e PME líder no sector da Engenharia de Redes de Telecomunicações.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchLinda-a-velha, PortugalHQ recorded Nov 6, 202611-503 contacts →

Exact match

“A 3PM iniciou a sua actividade em 1988 sendo a primeira companhia de serviços de assistência e manutenção independente a operar no mercado da informática em Portugal.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchSamora Correia, PortugalHQ recorded Nov 6, 20261-103 contacts →

Exact match

“A OMEGATEC - Engenharia e Instalações Técnicas iniciou a sua atividade em 2018 com o objetivo de prestar serviços nas áreas de Engenharia, Instalações e Manutenção em edifícios.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPrior Velho, PortugalHQ recorded Nov 6, 202611-502 contacts →

Exact match

“A STE é uma empresa de prestação de serviços de instalação, manutenção e engenharia, focada nos sistemas de telecomunicações, electrónica, Redes de Comunicações e Electricidade…”

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

Showing 14 of 62 telecom maintenance contractors based in Portugal

See the full list, filter by size, metro and specialty, and access 214 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom maintenance contractors based in Portugal at a glance

As of Nov 6, 2026
22.1%Verified-email coverage
15.6Average contacts per company
11-50Median size (employees)
8.1%Largest-city concentration · Lisbon
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
23
11-50
24
51-200
8
201-500
1
501-1,000
2
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 62 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 “telecom maintenance contractors” 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 214 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 “telecom maintenance contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom maintenance contractors are there based in Portugal?

RevenueBase identified 62 company matches for telecom maintenance contractors 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?

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

Which city has the most telecom maintenance contractors?

Lisbon leads with 5 company records, followed by Porto (3) and Amadora (2).

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 214 professional contacts with verified work emails tracked across these 62 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.