Company lists · Data refreshed September 2026
Top 25 Implementation service providers based in Portugal
RevenueBase identified 191 implementation service providers headquartered in Portugal as of September 2026 and tracks 4,872 professional contacts across them, including 1,266 with verified work emails. Lisboa is the largest hub.
This list covers implementation service providers 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 20, 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 implementation service providers based in Portugal
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,220 contacts → | ||||
Indirect evidence “Noesis is an international tech consulting company with 30 years of experience, delivering solutions to drive digital transformation and support business growth.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 582 contacts → | ||||
Indirect evidence “Timestamp is a leading IT consultancy with over 20 years’ experience in digital transformation and systems integration.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 142 contacts → | ||||
Indirect evidence “Brighten, a leading business consulting company with over 27 years of global expertise, is your partner in business transformation.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 109 contacts → | ||||
Indirect evidence “A PONTUAL IT Business Solutions é uma empresa de consultoria e desenvolvimento de software com um forte poder de expansão e experiência consolidada na implementação de sistemas…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 97 contacts → | ||||
Indirect evidence “RIS 2048 is a society constituted in the year to aggregate into a single structure the activity of several information systems companies that operated in Portugal’s Northern…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 91 contacts → | ||||
Indirect evidence “A ANO - Sistemas de Informática e Serviços, Lda.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 86 contacts → | ||||
Strong 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 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 82 contacts → | ||||
Indirect evidence “ITGest is an international technology and information systems company, specialised in digital transformation projects across different industries.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 81 contacts → | ||||
Indirect 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 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 77 contacts → | ||||
Indirect evidence “Step Ahead Consulting is an international IT Consulting company focusing in Business Process Management, Improvement, Business Analytics, CRM and Digital Marketing & Strategy.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 74 contacts → | ||||
Indirect evidence “C2B Consulting like any other consulting company represents a group of professionals that are keen to provide the best solutions to our present and future customers/partners.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 68 contacts → | ||||
Indirect evidence “Na Arentia capacitamos empresas para gerir melhor a sua operação através da tecnologia.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 55 contacts → | ||||
Indirect evidence “Xplor are award-winning global ERP experts.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 55 contacts → | ||||
Strong evidence “ToInovate Consulting is a 100% Portuguese company specialized in the implementation of SAP projects, with a strong presence in the market since 2005.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 54 contacts → | ||||
Indirect evidence “APR was founded in 1992 with the objective of providing high quality IT services, driving their activities exclusively for the business sector.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 44 contacts → | ||||
Indirect evidence “Com 40 anos de existência e mais de clientes ativos, somos uma das mais antigas softwarehouses portuguesas, com uma forte aposta no apoio direto ao cliente e um serviço de…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 43 contacts → | ||||
Indirect evidence “Delivering out of the box and custom solutions, focusing on quality and expertise, to ensure our customers competitiveness in their market, allowing them the ultimate Digital…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 42 contacts → | ||||
Indirect evidence “HeraPrime is the technology consultancy that implements and supports Cegid Primavera for Portuguese SMEs.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 37 contacts → | ||||
Indirect evidence “means an arrangement of parts to bring excellence, and that’s exactly what we do!” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 35 contacts → | ||||
Indirect evidence “A Zertive Consulting é uma empresa de Consultoria de Negócio e Tecnológica que apoia empresas e a sua gestão a, alavancando-se em tecnologia, atingir e melhorar os seus objetivos…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 35 contacts → | ||||
Indirect evidence “A Sendys é uma consultora tecnológica que se dedica ao desenvolvimento, manutenção, comercialização e suporte de soluções de gestão para pequenas, médias e grandes empresas, com…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 31 contacts → | ||||
Indirect evidence “A maioria das PME’s portuguesas sente dificuldades em gerir o tempo e transformar grandes volumes de dados em insights de negócio.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 31 contacts → | ||||
Indirect evidence “Wrightia is a thriving community of highly skilled experts passionate about delivering impactful solutions that address real-world problems and endure over time.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 28 contacts → | ||||
Indirect evidence “We’ve grown and we’re changing.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 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 20, 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: implementation service providers. 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 implementation service providers.
- Partial evidence
- Its own public description names part of implementation service providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name implementation service providers. 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 191 implementation service providers based in Portugal
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Implementation service providers based in Portugal at a glance
As of Sep 20, 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 191 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 implementation service providers, 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 “implementation service providers”. 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 implementation service providers), 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 implementation service providers, 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, 1,266 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 20, 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.
Implementation service providers by metro
- Implementation service providers in Lisboa29
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 implementation service providers, 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 implementation service providers are there based in Portugal?
RevenueBase identified 191 implementation service providers 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?
Noesis, headquartered in Lisboa, tops this list with the largest team on record.
Which city has the most implementation service providers?
Lisboa leads with 29 headquartered companies, followed by Lisbon (19) and Porto (12).
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 1,266 verified decision-maker contacts tracked across these 191 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 20, 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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