Company lists · Data refreshed September 2026
Top 25 Managed IT services firms based in Portugal
RevenueBase identified 75 company matches for managed IT services firms associated with Portugal as of September 2026 and tracks 1,383 professional contacts across them, including 576 with verified work emails. Lisbon is the largest hub.
This list covers company matches for managed IT services 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 21, 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 managed IT services firms based in Portugal
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 753 contacts → | ||||
Exact match “Claranet Portugal is the Portuguese market leader in Information Technologies and a specialist in Cloud, Workplace, Applications, Data & AI and Security solutions and managed…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 2 | 129 contacts → | ||||
Exact match “Fundada em 2002, a SECURNET dedica-se à integração de tecnologias de informação, prestando um conjunto de serviços técnicos especializados de consultoria e auditoria, engenharia…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 3 | 105 contacts → | ||||
Exact match “A Decsis é uma empresa de tecnologia fundada em 1994 que ajuda empresas a prosperarem com soluções de TI personalizadas e confiáveis.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 4 | 70 contacts → | ||||
Exact match “At ORBCOM, we are passionate about technology and innovation.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 5 | 37 contacts → | ||||
Exact match “We work, IT works.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 6 | 25 contacts → | ||||
Exact match “Your partner for IT managed services and cybersecurity.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 7 | 24 contacts → | ||||
Exact match “A Knowledge Inside é uma empresa fornecedora de serviços e soluções tecnológicas especializada em sistemas Microsoft, tendo como core business as áreas de Active Directory e…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 8 | 20 contacts → | ||||
Exact match “A ITGest IS é uma empresa especializada em infraestruturas tecnológicas, serviços geridos (IT Managed Services) e cibersegurança, posicionando-se como um parceiro estratégico na…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 9 | 10 contacts → | ||||
Exact match “At Tecnasys, we connect businesses worldwide with strategic, secure, and sustainable IT solutions.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 10 | 9 contacts → | ||||
Exact match “A IT.POWERON – SISTEMAS DE INFORMAÇÃO, LDA.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 11 | 6 contacts → | ||||
Exact match “Quem Somos Uma empresa que acredita que consegue prestar o melhor serviço possível mantendo a proximidade com os seus clientes.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “A GoClick, Lda é uma empresa especializada em soluções tecnológicas inovadoras para negócios.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 13 | 6 contacts → | ||||
Exact match “We are a team of IT-experts that loves to help our clients with smart technology.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 14 | 5 contacts → | ||||
Exact match “Com mais de 20 anos de experiência, simplificamos a informática na sua empresa e garantimos o seu funcionamento.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 15 | 5 contacts → | ||||
Exact match “A EXTRABITE é uma empresa especializada em proporcionar soluções tecnológicas de alta qualidade para impulsionar o crescimento e sucesso do seu negócio.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 16 | 5 contacts → | ||||
Exact match “Soluções para empresas” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 17 | 4 contacts → | ||||
Exact match “A ASINFOR é uma empresa de referência com vários anos no mercado da Informática.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 18 | 4 contacts → | ||||
Exact match “Oferecemos soluções de TI, redes, segurança e automação, adaptadas às suas necessidades.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “We provide IT managed services, computer security consulting and other associated services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “A Zematek - Tecnologias de Informação, Lda é uma empresa especializada em IT Services.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match “O Guardião foi fundada em 2009, com o objectivo de dar o melhor valor aos serviços de informática.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “A informática assume actualmente um papel cada vez mais preponderante na vida das pessoas e empresas.” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “A TakeMore é uma empresa de consultoria em TI e Cibersegurança, especializada na concepção, implementação e gestão de sistemas de informação, soluções de produção e…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “Fundada em 2001 e com presença afirmada no competitivo mercado das TI, a NetSystems apresenta-se como um parceiro que estabeleceu como objectivo fornecer as soluções informáticas…” Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “Serviços de gestão de tecnologias de informação (servidores, postos de trabalho, redes, etc.) para PMEs.” Recorded in the RevenueBase company graph · Sep 21, 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 “managed IT services 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 75 managed IT services firms based in Portugal
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Managed IT services firms based in Portugal at a glance
As of Sep 21, 2026Companies by employee count
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 75 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 “managed IT services 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 576 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 21, 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 “managed IT services firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many managed IT services firms are there based in Portugal?
RevenueBase identified 75 company matches for managed IT services 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?
Claranet Portugal tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most managed IT services firms?
Lisbon leads with 15 company records, followed by Porto (5) and Alfragide (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 576 professional contacts with verified work emails tracked across these 75 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 21, 2026.
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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.
More company lists
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- Lists A-Z
- New lists
- Managed IT services firms based in Adelaide, Australia
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Company intelligence · public preview
Top 25 managed IT services firms based in Portugal
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 75 matching company records for managed IT services firms based in Portugal, with 1,383 tracked contacts and 576 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: September 21, 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 managed IT services firms based in Portugal
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 |  Claranet Portugalclaranet.comHQ: Lisbon, PortugalReported employees: 1,001-5,000 | Lisbon, Portugal | 1,001-5,000 | Exact match | 753 contacts → |
“Claranet Portugal is the Portuguese market leader in Information Technologies and a specialist in Cloud, Workplace, Applications, Data & AI and Security solutions and managed…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Securnetsecurnet.ptHQ: Ermesinde, PortugalReported employees: 51-200 | Ermesinde, Portugal | 51-200 | Exact match | 129 contacts → |
“Fundada em 2002, a SECURNET dedica-se à integração de tecnologias de informação, prestando um conjunto de serviços técnicos especializados de consultoria e auditoria, engenharia…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Decsis Sistemas DE Informaçãodecsis.euHQ: Porto, PortugalReported employees: 51-200 | Porto, Portugal | 51-200 | Exact match | 105 contacts → |
“A Decsis é uma empresa de tecnologia fundada em 1994 que ajuda empresas a prosperarem com soluções de TI personalizadas e confiáveis.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Orbcomorbcom.ptHQ: Matosinhos, PortugalReported employees: 51-200 | Matosinhos, Portugal | 51-200 | Exact match | 70 contacts → |
“At ORBCOM, we are passionate about technology and innovation.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Compuworkscompuworks.ptHQ: Lisbon, PortugalReported employees: 51-200 | Lisbon, Portugal | 51-200 | Exact match | 37 contacts → |
“We work, IT works.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Next ITnext-it.ptHQ: Vila Nova De Gaia, PortugalReported employees: 11-50 | Vila Nova De Gaia, Portugal | 11-50 | Exact match | 25 contacts → |
“Your partner for IT managed services and cybersecurity.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Knowledge Insideknowledgeinside.ptHQ: Lisbon, PortugalReported employees: 11-50 | Lisbon, Portugal | 11-50 | Exact match | 24 contacts → |
“A Knowledge Inside é uma empresa fornecedora de serviços e soluções tecnológicas especializada em sistemas Microsoft, tendo como core business as áreas de Active Directory e…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Itgest ISitgest-is.comHQ: Almada, PortugalReported employees: 51-200 | Almada, Portugal | 51-200 | Exact match | 20 contacts → |
“A ITGest IS é uma empresa especializada em infraestruturas tecnológicas, serviços geridos (IT Managed Services) e cibersegurança, posicionando-se como um parceiro estratégico na…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Tecnasys Global IT Solutionstecnasys.comHQ: Lisbon, PortugalReported employees: 51-200 | Lisbon, Portugal | 51-200 | Exact match | 10 contacts → |
“At Tecnasys, we connect businesses worldwide with strategic, secure, and sustainable IT solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Itpoweronitpoweron.ptHQ: Setúbal, PortugalReported employees: 1-10 | Setúbal, Portugal | 1-10 | Exact match | 9 contacts → |
“A IT.POWERON – SISTEMAS DE INFORMAÇÃO, LDA.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Black Key, LDAblackkey.ptHQ: Lisbon, PortugalReported employees: 1-10 | Lisbon, Portugal | 1-10 | Exact match | 6 contacts → |
“Quem Somos Uma empresa que acredita que consegue prestar o melhor serviço possível mantendo a proximidade com os seus clientes.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Goclickgoclick.ptHQ: São Martinho, PortugalReported employees: 1-10 | São Martinho, Portugal | 1-10 | Exact match | 6 contacts → |
“A GoClick, Lda é uma empresa especializada em soluções tecnológicas inovadoras para negócios.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Data Harbour ITdataharbour.euHQ: Lisbon, PortugalReported employees: 1-10 | Lisbon, Portugal | 1-10 | Exact match | 6 contacts → |
“We are a team of IT-experts that loves to help our clients with smart technology.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | BSP Consulting, LDAbspconsulting.pt HQ: Algés, PortugalReported employees: 1-10 | Algés, Portugal | 1-10 | Exact match | 5 contacts → |
“Com mais de 20 anos de experiência, simplificamos a informática na sua empresa e garantimos o seu funcionamento.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Extrabiteextrabite.ptHQ: São João Da Madeira, PortugalReported employees: 1-10 | São João Da Madeira, Portugal | 1-10 | Exact match | 5 contacts → |
“A EXTRABITE é uma empresa especializada em proporcionar soluções tecnológicas de alta qualidade para impulsionar o crescimento e sucesso do seu negócio.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Wide Shiftwideshift.ptHQ: São João Da Talha, PortugalReported employees: 11-50 | São João Da Talha, Portugal | 11-50 | Exact match | 5 contacts → |
“Soluções para empresas” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Active State Informática LDAasinfor.ptHQ: Baixa Da Banheira, PortugalReported employees: 1-10 | Baixa Da Banheira, Portugal | 1-10 | Exact match | 4 contacts → |
“A ASINFOR é uma empresa de referência com vários anos no mercado da Informática.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  E.Engenharia, SAe-engenharia.comHQ: Ponta Delgada, PortugalReported employees: 1-10 | Ponta Delgada, Portugal | 1-10 | Exact match | 4 contacts → |
“Oferecemos soluções de TI, redes, segurança e automação, adaptadas às suas necessidades.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Shadowstepshadowstep.ptHQ: Queluz-de-baixo, PortugalReported employees: 1-10 | Queluz-de-baixo, Portugal | 1-10 | Exact match | 3 contacts → |
“We provide IT managed services, computer security consulting and other associated services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Zematek, LDAzematek.ptHQ: Marinha Grande, PortugalReported employees: 1-10 | Marinha Grande, Portugal | 1-10 | Exact match | 3 contacts → |
“A Zematek - Tecnologias de Informação, Lda é uma empresa especializada em IT Services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Guardiaoguardiao.ptHQ: Oeiras, PortugalReported employees: 1-10 | Oeiras, Portugal | 1-10 | Exact match | 3 contacts → |
“O Guardião foi fundada em 2009, com o objectivo de dar o melhor valor aos serviços de informática.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Trinorte, LDAtrinorte.ptHQ: São João Da Madeira, PortugalReported employees: 1-10 | São João Da Madeira, Portugal | 1-10 | Exact match | 2 contacts → |
“A informática assume actualmente um papel cada vez mais preponderante na vida das pessoas e empresas.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Takemoretakemore.ptHQ: Rebordosa, PortugalReported employees: 1-10 | Rebordosa, Portugal | 1-10 | Exact match | 2 contacts → |
“A TakeMore é uma empresa de consultoria em TI e Cibersegurança, especializada na concepção, implementação e gestão de sistemas de informação, soluções de produção e…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Netsystemsnetsystems.ptHQ: Loures, PortugalReported employees: 1-10 | Loures, Portugal | 1-10 | Exact match | 2 contacts → |
“Fundada em 2001 e com presença afirmada no competitivo mercado das TI, a NetSystems apresenta-se como um parceiro que estabeleceu como objectivo fornecer as soluções informáticas…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Syscleversysclever.ptHQ: Lisbon, PortugalReported employees: 1-10 | Lisbon, Portugal | 1-10 | Exact match | 2 contacts → |
“Serviços de gestão de tecnologias de informação (servidores, postos de trabalho, redes, etc.) para PMEs.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 75 company matches
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Managed IT services firms: dataset insights
September 21, 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
75 records in the displayed employee bands.
0 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 Portugal, so it is reported there. Company counts and contact totals on this page are exact for Portugal, over 75 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: September 21, 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 ↗
Questions about this company list
What does Exact match mean for managed IT services 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 managed IT services firms did RevenueBase find based in Portugal?
The saved snapshot records 75 matching company records, 1,383 tracked contacts and 576 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: September 21, 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.
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- Managed IT services firms based in Campinas, Brazil
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- Managed IT services firms based in Porto Alegre, Brazil
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- Managed IT services firms based in Sao Paulo, Brazil
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 managed IT services firms based in Portugal. Snapshot: September 21, 2026. https://revenuebase.ai/companies/managed-it-services-firms/portugal.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Lists A-Z
- New lists
- Managed IT services firms based in Adelaide, Australia
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Company intelligence · public preview
Top 25 managed IT services firms based in Portugal
RevenueBase records 75 matching company records for managed IT services firms based in Portugal, with 1,383 tracked contacts and 576 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: September 21, 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 managed IT services firms based in Portugal
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 | Claranet Portugalclaranet.com HQ: Lisbon, PortugalReported employees: 1,001-5,000 | Lisbon, Portugal | 1,001-5,000 | Exact match | 753 contacts → |
“Claranet Portugal is the Portuguese market leader in Information Technologies and a specialist in Cloud, Workplace, Applications, Data & AI and Security solutions and managed…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Securnetsecurnet.pt HQ: Ermesinde, PortugalReported employees: 51-200 | Ermesinde, Portugal | 51-200 | Exact match | 129 contacts → |
“Fundada em 2002, a SECURNET dedica-se à integração de tecnologias de informação, prestando um conjunto de serviços técnicos especializados de consultoria e auditoria, engenharia…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Decsis Sistemas DE Informaçãodecsis.eu HQ: Porto, PortugalReported employees: 51-200 | Porto, Portugal | 51-200 | Exact match | 105 contacts → |
“A Decsis é uma empresa de tecnologia fundada em 1994 que ajuda empresas a prosperarem com soluções de TI personalizadas e confiáveis.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Orbcomorbcom.pt HQ: Matosinhos, PortugalReported employees: 51-200 | Matosinhos, Portugal | 51-200 | Exact match | 70 contacts → |
“At ORBCOM, we are passionate about technology and innovation.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Compuworkscompuworks.pt HQ: Lisbon, PortugalReported employees: 51-200 | Lisbon, Portugal | 51-200 | Exact match | 37 contacts → |
“We work, IT works.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Next ITnext-it.pt HQ: Vila Nova De Gaia, PortugalReported employees: 11-50 | Vila Nova De Gaia, Portugal | 11-50 | Exact match | 25 contacts → |
“Your partner for IT managed services and cybersecurity.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Knowledge Insideknowledgeinside.pt HQ: Lisbon, PortugalReported employees: 11-50 | Lisbon, Portugal | 11-50 | Exact match | 24 contacts → |
“A Knowledge Inside é uma empresa fornecedora de serviços e soluções tecnológicas especializada em sistemas Microsoft, tendo como core business as áreas de Active Directory e…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Itgest ISitgest-is.com HQ: Almada, PortugalReported employees: 51-200 | Almada, Portugal | 51-200 | Exact match | 20 contacts → |
“A ITGest IS é uma empresa especializada em infraestruturas tecnológicas, serviços geridos (IT Managed Services) e cibersegurança, posicionando-se como um parceiro estratégico na…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Tecnasys Global IT Solutionstecnasys.com HQ: Lisbon, PortugalReported employees: 51-200 | Lisbon, Portugal | 51-200 | Exact match | 10 contacts → |
“At Tecnasys, we connect businesses worldwide with strategic, secure, and sustainable IT solutions.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Itpoweronitpoweron.pt HQ: Setúbal, PortugalReported employees: 1-10 | Setúbal, Portugal | 1-10 | Exact match | 9 contacts → |
“A IT.POWERON – SISTEMAS DE INFORMAÇÃO, LDA.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Black Key, LDAblackkey.pt HQ: Lisbon, PortugalReported employees: 1-10 | Lisbon, Portugal | 1-10 | Exact match | 6 contacts → |
“Quem Somos Uma empresa que acredita que consegue prestar o melhor serviço possível mantendo a proximidade com os seus clientes.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Goclickgoclick.pt HQ: São Martinho, PortugalReported employees: 1-10 | São Martinho, Portugal | 1-10 | Exact match | 6 contacts → |
“A GoClick, Lda é uma empresa especializada em soluções tecnológicas inovadoras para negócios.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Data Harbour ITdataharbour.eu HQ: Lisbon, PortugalReported employees: 1-10 | Lisbon, Portugal | 1-10 | Exact match | 6 contacts → |
“We are a team of IT-experts that loves to help our clients with smart technology.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | BSP Consulting, LDAbspconsulting.pt HQ: Algés, PortugalReported employees: 1-10 | Algés, Portugal | 1-10 | Exact match | 5 contacts → |
“Com mais de 20 anos de experiência, simplificamos a informática na sua empresa e garantimos o seu funcionamento.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Extrabiteextrabite.pt HQ: São João Da Madeira, PortugalReported employees: 1-10 | São João Da Madeira, Portugal | 1-10 | Exact match | 5 contacts → |
“A EXTRABITE é uma empresa especializada em proporcionar soluções tecnológicas de alta qualidade para impulsionar o crescimento e sucesso do seu negócio.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Wide Shiftwideshift.pt HQ: São João Da Talha, PortugalReported employees: 11-50 | São João Da Talha, Portugal | 11-50 | Exact match | 5 contacts → |
“Soluções para empresas” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Active State Informática LDAasinfor.pt HQ: Baixa Da Banheira, PortugalReported employees: 1-10 | Baixa Da Banheira, Portugal | 1-10 | Exact match | 4 contacts → |
“A ASINFOR é uma empresa de referência com vários anos no mercado da Informática.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | E.Engenharia, SAe-engenharia.com HQ: Ponta Delgada, PortugalReported employees: 1-10 | Ponta Delgada, Portugal | 1-10 | Exact match | 4 contacts → |
“Oferecemos soluções de TI, redes, segurança e automação, adaptadas às suas necessidades.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Shadowstepshadowstep.pt HQ: Queluz-de-baixo, PortugalReported employees: 1-10 | Queluz-de-baixo, Portugal | 1-10 | Exact match | 3 contacts → |
“We provide IT managed services, computer security consulting and other associated services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Zematek, LDAzematek.pt HQ: Marinha Grande, PortugalReported employees: 1-10 | Marinha Grande, Portugal | 1-10 | Exact match | 3 contacts → |
“A Zematek - Tecnologias de Informação, Lda é uma empresa especializada em IT Services.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Guardiaoguardiao.pt HQ: Oeiras, PortugalReported employees: 1-10 | Oeiras, Portugal | 1-10 | Exact match | 3 contacts → |
“O Guardião foi fundada em 2009, com o objectivo de dar o melhor valor aos serviços de informática.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Trinorte, LDAtrinorte.pt HQ: São João Da Madeira, PortugalReported employees: 1-10 | São João Da Madeira, Portugal | 1-10 | Exact match | 2 contacts → |
“A informática assume actualmente um papel cada vez mais preponderante na vida das pessoas e empresas.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Takemoretakemore.pt HQ: Rebordosa, PortugalReported employees: 1-10 | Rebordosa, Portugal | 1-10 | Exact match | 2 contacts → |
“A TakeMore é uma empresa de consultoria em TI e Cibersegurança, especializada na concepção, implementação e gestão de sistemas de informação, soluções de produção e…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Netsystemsnetsystems.pt HQ: Loures, PortugalReported employees: 1-10 | Loures, Portugal | 1-10 | Exact match | 2 contacts → |
“Fundada em 2001 e com presença afirmada no competitivo mercado das TI, a NetSystems apresenta-se como um parceiro que estabeleceu como objectivo fornecer as soluções informáticas…” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Syscleversysclever.pt HQ: Lisbon, PortugalReported employees: 1-10 | Lisbon, Portugal | 1-10 | Exact match | 2 contacts → |
“Serviços de gestão de tecnologias de informação (servidores, postos de trabalho, redes, etc.) para PMEs.” Recorded description excerpt · September 21, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Managed IT services firms: dataset insights
September 21, 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
75 records in the displayed employee bands.
0 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 Portugal, so it is reported there. Company counts and contact totals on this page are exact for Portugal, over 75 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: September 21, 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 ↗
Questions about this company list
What does Exact match mean for managed IT services 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 managed IT services firms did RevenueBase find based in Portugal?
The saved snapshot records 75 matching company records, 1,383 tracked contacts and 576 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: September 21, 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.
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Cite this list
RevenueBase Data Team. Top 25 managed IT services firms based in Portugal. Snapshot: September 21, 2026. https://revenuebase.ai/companies/managed-it-services-firms/portugal.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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