Company lists · Data refreshed September 2026
Top 25 Government systems integration firms based in Portugal
RevenueBase identified 68 government systems integration firms headquartered in Portugal as of September 2026 and tracks 1,184 professional contacts across them, including 485 with verified work emails. Lisboa is the largest hub.
This list covers government systems integration firms 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 government systems integration firms based in Portugal
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 188 contacts → | ||||
Indirect evidence “This is our engineering of success, an act of future creation.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 129 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 86 contacts → | ||||
Partial evidence “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.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 78 contacts → | ||||
Strong evidence “Laxton is a leading Identity Systems Integrator for governments and organisations worldwide.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 70 contacts → | ||||
Indirect evidence “At ORBCOM, we are passionate about technology and innovation.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 50 contacts → | ||||
Indirect evidence “A oferta da Divultec é centrada na Integração de Sistemas, oferecendo soluções de backup, comunicações, segurança, infraestruturas de servidores e armazenamento, virtualização…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 46 contacts → | ||||
Partial evidence “Inspiring Solutions is a company that operates in the Information Technology Integration market, offering its customers a portfolio of innovative solutions and services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 31 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 26 contacts → | ||||
Indirect evidence “A hes é uma empresa prestadora de serviços e fornecedora de soluções globais na área dos sistemas de informação.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 25 contacts → | ||||
Partial evidence “TechFrame - Information Systems was founded in March with the aim of becoming a company for investigation, development and commercialization of complex IT systems for vertical…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 21 contacts → | ||||
Partial evidence “A Inout Automation Systems oferece a mais avançada tecnologia para a Integração de Sistemas, fruto da sua experiência e qualificação especializada em diversas áreas de engenharia…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 20 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 19 contacts → | ||||
Indirect evidence “A Distrim Sistemas, empresa integrada no GRUPOVANGEST, iniciou a sua actividade em Maio de 1991, com o objectivo de fornecer ao Mercado Soluções Integradas de Engenharia.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 17 contacts → | ||||
Strong evidence “Tecnibite provides services in the field of information technology, such as the analysis and development of software solutions, systems integration, design and implementation of…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 14 contacts → | ||||
Indirect evidence “Eficiência operacional e segura.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 10 contacts → | ||||
Partial evidence “WayLogic is a Portuguese IT company specialized in Integration.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 10 contacts → | ||||
Indirect evidence “A TECHBASE é uma marca pertencente à MENDES L.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 9 contacts → | ||||
Indirect evidence “Data da fundação: 1993/08/01 Colaboradores: 24 Instalações: Sede em Coimbra e escritório em Lisboa (ver contactos) Facturação em 2010: Certificações: ISO 9001, PME EXCELÊNCIA…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 8 contacts → | ||||
Indirect evidence “A PROXSYS SOLUTIONS é uma empresa integradora de soluções tecnológicas, com vasta experiência na área de Sistemas de Informação e Segurança.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 6 contacts → | ||||
Indirect evidence “Na InteliAV, acreditamos que a tecnologia não deve ser uma barreira, mas sim uma ponte.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 6 contacts → | ||||
Partial evidence “Thales Edisoft Portugal is a company which promotes and delivers innovative solutions that enhance its customer’s critical systems´ security, on land, sea, air, space and…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 5 contacts → | ||||
Partial evidence “We are a company that presents itself to the market as a “Systems Integrator”, with the objective of providing customers with integrated solutions normally known as “Turnkey”…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 5 contacts → | ||||
Indirect evidence “Soluções para empresas” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 contacts → | ||||
Indirect evidence “A oferta da Combitecnic é centrada na Integração de Sistemas, oferecendo soluções que vão desde as infra-estruturas de rede, soluções de impressão, licenciamento de software…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Indirect evidence “A Trífida foi fundada em por um grupo de pessoas, profundamente comprometidas com a excelência na venda e no suporte de redes de computadores, vendendo software e fornecendo aos…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: government systems integration firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names government systems integration firms.
- Partial evidence
- Its own public description names part of government systems integration firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name government systems integration firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 68 government systems integration firms based in Portugal
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Government systems integration firms based in Portugal at a glance
As of Sep 28, 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 68 companies.
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 government systems integration firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Portugal whose own description of what they do matches “government systems integration firms”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names government systems integration firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among government systems integration firms, 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 its RevenueBase Smart Search 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, 485 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 28, 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
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names government systems integration firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many government systems integration firms are there based in Portugal?
RevenueBase identified 68 government systems integration firms 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?
Grupo Ramos Ferreira Engenharia, headquartered in Vila Nova De Gaia, tops this list with the largest team on record.
Which city has the most government systems integration firms?
Lisboa leads with 7 headquartered companies, followed by Porto (5) and Vila Do Conde (4).
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 485 verified decision-maker contacts tracked across these 68 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 28, 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 Smart Search, 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.
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