Company lists · Data refreshed September 2026
Top 24 IT consultancy services based in Porto, Portugal
RevenueBase identified 80 IT consultancy services headquartered in Porto, Portugal as of September 2026 and tracks 1,263 professional contacts across them, including 231 with verified work emails. Lisboa is the largest hub.
This list covers IT consultancy services headquartered in Porto, 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 27, 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 24 largest IT consultancy services based in Porto, Portugal
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 115 contacts → | ||||
Indirect evidence “ARMIS is a technology group with more than 19 years of history, dedicated to innovation, development and implementation of solutions that improve the growth of its clients.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 2 | 105 contacts → | ||||
Indirect evidence “A Decsis é uma empresa de tecnologia fundada em 1994 que ajuda empresas a prosperarem com soluções de TI personalizadas e confiáveis.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 3 | 81 contacts → | ||||
Partial evidence “Optimizer is an IT service and information systems company focused on providing complementary services in the information technology sector.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 4 | 49 contacts → | ||||
Strong evidence “YellowIpe® is your IT professional services consultancy.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 5 | 42 contacts → | ||||
Indirect evidence “A ByMe, especialista em Tecnologias de Informação, Cuidados de Saúde e Formação Profissional, atua enquanto consultora na gestão empresarial, dispondo de um vasto leque de opções…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 6 | 25 contacts → | ||||
Indirect evidence “A A.RAMALHÃO – CONSULTORIA, GESTÃO E SERVIÇOS, LDA apresenta-se como uma empresa de prestação de serviços de apoio à Indústria e Serviços, já com vinte e nove anos de atividade…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 7 | 23 contacts → | ||||
Partial evidence “We are an IT consulting firm leading the way in optimisation, planning, engineering and implementation of successful projects and services.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 8 | 17 contacts → | ||||
Indirect evidence “Strongstep offers a unique combination of consulting services to help companies adopt international best practices in areas such as software development and engineering…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 9 | 16 contacts → | ||||
Indirect evidence “Pixida Group is a global technology pioneer in digital transformation and product engineering, delivering innovative solutions in IoT, AI, Cloud, Mobility, Industrial Automation…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 10 | 13 contacts → | ||||
Indirect evidence “Flipkick turns ideas into running systems - AI-augmented Cloud Engineering for infrastructure and apps - and gets them into real, everyday use.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 11 | 11 contacts → | ||||
Indirect evidence “A iMDIGITAL é uma empresa de consultoria que tem por missão apoiar as organizações na sua transformação para o mercado digital.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 12 | 9 contacts → | ||||
Indirect evidence “A Alvim & Rocha pretende constituir-se como parceiro privilegiado de micro e pequenas empresas, assegurando-lhes um apoio técnico constante, nas áreas da contabilidade e da…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 13 | 9 contacts → | ||||
Indirect evidence “We help companies and organizations to Transform, Innovate and Boost Businesses in Digital with integrated Technological, Digital Marketing and Outsourcing solutions.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 14 | 8 contacts → | ||||
Indirect evidence “A Trackdream é uma empresa de desenvolvimento de soluções de software à medida e consultadoria em sistemas de informação focada sobretudo em incrementar o valor e a rentabilidade…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Partial evidence “IT Consulting and Services Solution Design and Development WebDesign, WebMarketing and Messaging” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 16 | 6 contacts → | ||||
Partial evidence “Our consultancy services includes planning and designing new businesses and investment projects, fund applications and financing, management of companies and co-financed projects…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 17 | 6 contacts → | ||||
Indirect evidence “A MySp é uma empresa de consultoria B2B / B2C, especializada no desenvolvimento de software, com uma equipa de profissionais certificados e capacidade de identificar, analisar e…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 contacts → | ||||
Indirect evidence “At Unflow, we are at the forefront of digital transformation, empowering businesses and helping companies achieve digital success.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Strong evidence “NORONESC is an IT consultancy firm, founded in 1997, with the aim to support in the definition, implementation and integration of technological and enterprise business solutions…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Indirect evidence “A CONSULTINGCAST é uma "trusted advisor" que presta serviços de assessoria nas áreas de Corporate Finance, Turnaround Consulting, Business Broker, Auditoria e Consultoria fiscal…” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Partial evidence “Flowkey is a Portuguese IT Consulting company, specialized in Process Automation, Project Management and Developing custom Software Solutions.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Partial evidence “Introducing whitesharp, a leading consultancy firm dedicated to providing innovative solutions and expert guidance to organizations across industries.” Source: RevenueBase Database · checked Sep 27, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Indirect evidence “Somos uma empresa orientada para a prestação de serviços especializados, arquitetura e implementação de soluções na área das Tecnologias de Informação.” Source: RevenueBase Database · checked Sep 27, 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: IT consultancy services. 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 IT consultancy services.
- Partial evidence
- Its own public description names part of IT consultancy services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name IT consultancy services. 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 24 of 80 IT consultancy services based in Porto, Portugal
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IT consultancy services based in Porto, Portugal at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured across the whole Portugal list rather than for Porto, so it is reported there. Company counts and contact totals on this page are exact for Porto, over 80 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 IT consultancy services, 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 Porto, Portugal whose own description of what they do matches “IT consultancy services”. 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 IT consultancy services), 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 IT consultancy services, and records with no verified work email. Companies headquartered outside Porto 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, 231 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 27, 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.
IT consultancy services by metro in Portugal
- IT consultancy services in Lisboa191
- IT consultancy services in Lisbon113
- IT consultancy services in Porto80
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 IT consultancy services, 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 IT consultancy services are there based in Porto, Portugal?
RevenueBase identified 80 IT consultancy services headquartered in Porto, 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?
Armis Group, headquartered in Porto, tops this list with the largest team on record.
Which city has the most IT consultancy services?
Lisboa leads with 191 headquartered companies, followed by Lisbon (113) and Porto (80).
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 231 verified decision-maker contacts tracked across these 80 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 27, 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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