Company lists · Data refreshed September 2026

Top 25 Managed IT services companies based in Portugal

Name: Managed IT services companies based in Portugal
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 5, 2026 84 companies tracked

RevenueBase identified 84 managed IT services companies headquartered in Portugal as of September 2026 and tracks 1,652 professional contacts across them, including 651 with verified work emails and 75 with mobile numbers. Lisboa is the largest hub.

This list covers managed IT services companies headquartered in Portugal, 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, how directly it supports the match, and when it was last checked. Data refreshed September 5, 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 HQ checked on every row Match evidence on every row Refreshed Sep 5, 2026 86% judged on-target in blind review

84Companies

1,652Contacts tracked

651Verified emails

75Mobile numbers

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The 25 largest managed IT services companies based in Portugal

Ranked by team size

Top 25 of 84 managed IT services companies based in Portugal, ranked by team size, largest first. Data refreshed Sep 5, 2026. Evidence rates how directly each company's own description names managed IT services companies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	Claranet PortugalPartial evidence	Lisbon, PortugalHQ checked Sep 5, 2026	1,001-5,000	753
	“Claranet Portugal is the Portuguese market leader in Information Technologies and a specialist in Cloud, Workplace, Applications, Data & AI and Security solutions and managed…” Source: company website · checked Sep 5, 2026
2	SecurnetIndirect evidence	Ermesinde, PortugalHQ checked Sep 5, 2026	51-200	129
	“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…” Source: company website · checked Sep 5, 2026
3	A2it TechnologyPartial evidence	Almada, PortugalHQ checked Sep 5, 2026	51-200	115
	“Founded in 2006, A2IT Technology is a leading company specialized in Service Desk, Datacenter, Cloud, Cybersecurity, Digital Transformation, Managed Services and AI.” Source: company website · checked Sep 5, 2026
4	Decsis Sistemas DE InformaçãoIndirect evidence	Porto, PortugalHQ checked Sep 5, 2026	51-200	105
	“A Decsis é uma empresa de tecnologia fundada em 1994 que ajuda empresas a prosperarem com soluções de TI personalizadas e confiáveis.” Source: company website · checked Sep 5, 2026
5	EurotuxPartial evidence	Braga, PortugalHQ checked Sep 5, 2026	51-200	76
	“Eurotux’s service offering includes Managed Services, Cloud & DevOps, Security Operations Centre (SOC), and Artificial Intelligence (AI).” Source: company website · checked Sep 5, 2026
6	OrbcomIndirect evidence	Matosinhos, PortugalHQ checked Sep 5, 2026	51-200	70
	“At ORBCOM, we are passionate about technology and innovation.” Source: company website · checked Sep 5, 2026
7	CompuworksPartial evidence	Lisboa, PortugalHQ checked Sep 5, 2026	51-200	37
	“We work, IT works.” Source: company website · checked Sep 5, 2026
8	Next ITStrong evidence	Vila Nova De Gaia, PortugalHQ checked Sep 5, 2026	11-50	25
	“Your partner for IT managed services and cybersecurity.” Source: company website · checked Sep 5, 2026
9	Knowledge InsideIndirect evidence	Lisbon, PortugalHQ checked Sep 5, 2026	11-50	24
	“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…” Source: company website · checked Sep 5, 2026
10	OKWINPartial evidence	Amadora, PortugalHQ checked Sep 5, 2026	51-200	22
	“Okwin é uma empresa multinacional de IT com presença em Portugal, Angola e Moçambique, especializada em IT Outsourcing, IT Consulting, ITSM & ITOM, Cybersecurity, Data Analytics…” Source: company website · checked Sep 5, 2026
11	Itgest ISStrong evidence	Almada, PortugalHQ checked Sep 5, 2026	51-200	20
	“A ITGest IS é uma empresa especializada em infraestruturas tecnológicas, serviços geridos (IT Managed Services) e cibersegurança, posicionando-se como um parceiro estratégico na…” Source: company website · checked Sep 5, 2026
12	Bechtle Direct PortugalIndirect evidence	Aveiro, PortugalHQ checked Sep 5, 2026	11-50	19
	“Care for People.” Source: company website · checked Sep 5, 2026
13	ErgostekIndirect evidence	Carnaxide, PortugalHQ checked Sep 5, 2026	11-50	10
	“A ErgosTek é a resposta às necessidades crescentes do mercado empresarial, apresentando-se como seu parceiro qualificado, em todas as vertentes da área informática melhorando a…” Source: company website · checked Sep 5, 2026
14	Tecnasys Global IT SolutionsPartial evidence	Lisboa, PortugalHQ checked Sep 5, 2026	51-200	10
	“At Tecnasys, we connect businesses worldwide with strategic, secure, and sustainable IT solutions.” Source: company website · checked Sep 5, 2026
15	GESTIPartial evidence	Lisbon, PortugalHQ checked Sep 5, 2026	1-10	9
	“We provide IT OutSourcing services.” Source: company website · checked Sep 5, 2026
16	ItpoweronPartial evidence	Setúbal, PortugalHQ checked Sep 5, 2026	1-10	9
	“A IT.POWERON – SISTEMAS DE INFORMAÇÃO, LDA.” Source: company website · checked Sep 5, 2026
17	Black Key, LDAIndirect evidence	Lisboa, PortugalHQ checked Sep 5, 2026	1-10	6
	“Quem Somos Uma empresa que acredita que consegue prestar o melhor serviço possível mantendo a proximidade com os seus clientes.” Source: company website · checked Sep 5, 2026
18	GoclickIndirect evidence	São Martinho, PortugalHQ checked Sep 5, 2026	1-10	6
	“A GoClick, Lda é uma empresa especializada em soluções tecnológicas inovadoras para negócios.” Source: company website · checked Sep 5, 2026
19	Data Harbour ITPartial evidence	Lisbon, PortugalHQ checked Sep 5, 2026	1-10	6
	“We are a team of IT-experts that loves to help our clients with smart technology.” Source: company website · checked Sep 5, 2026
20	ExtrabiteIndirect evidence	São João Da Madeira, PortugalHQ checked Sep 5, 2026	1-10	5
	“A EXTRABITE é uma empresa especializada em proporcionar soluções tecnológicas de alta qualidade para impulsionar o crescimento e sucesso do seu negócio.” Source: company website · checked Sep 5, 2026
21	Wide ShiftIndirect evidence	São João Da Talha, PortugalHQ checked Sep 5, 2026	11-50	5
	“Soluções para empresas” Source: company website · checked Sep 5, 2026
22	Active State Informática LDAIndirect evidence	Baixa Da Banheira, PortugalHQ checked Sep 5, 2026	1-10	4
	“A ASINFOR é uma empresa de referência com vários anos no mercado da Informática.” Source: company website · checked Sep 5, 2026
23	KYA ITPartial evidence	Leça Do Balio, PortugalHQ checked Sep 5, 2026	11-50	4
	“KYA iT delivers exceptional service, so you can focus on running your business.” Source: company website · checked Sep 5, 2026
24	E.Engenharia, SAIndirect evidence	Ponta Delgada, PortugalHQ checked Sep 5, 2026	1-10	4
	“Oferecemos soluções de TI, redes, segurança e automação, adaptadas às suas necessidades.” Source: company website · checked Sep 5, 2026
25	ShadowstepStrong evidence	Queluz-de-baixo, PortugalHQ checked Sep 5, 2026	1-10	3
	“We provide IT managed services, computer security consulting and other associated services.” Source: company website · checked Sep 5, 2026

Showing 25 of 84 managed IT services companies based in Portugal

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Managed IT services companies based in Portugal at a glance

As of Sep 5, 2026

1-10Median size (employees)

LisboaLargest hub · 10 HQs

75Contacts with mobile numbers

Sep 5, 2026Data refreshed

Companies by employee count

1-10

11-50

51-200

501-1,000

1,001-5,000

Verified emails by last verification

0–30

613

31–60

61–90

90–180

180+

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 managed IT services companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Portugal whose own description of what they do matches “managed IT services companies”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among managed IT services companies, and records with no verified work email. Companies headquartered outside Portugal 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 an evidence 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, 651 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 5, 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

How many managed IT services companies are there based in Portugal?

RevenueBase identified 84 managed IT services companies headquartered in Portugal 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?

Claranet Portugal, headquartered in Lisboa, tops this list with the largest team on record.

Which city has the most managed IT services companies?

Lisboa leads with 10 headquartered companies, followed by Porto (7) and Lisbon (6).

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 651 verified decision-maker contacts tracked across these 84 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 5, 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.