Company lists · Data refreshed September 2026
Top 25 Customer service consulting companies based in Portugal
RevenueBase identified 146 customer service consulting companies headquartered in Portugal as of September 2026 and tracks 2,498 professional contacts across them, including 178 with verified work emails. Lisboa is the largest hub.
This list covers customer service consulting 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 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 customer service consulting companies based in Portugal
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,168 contacts → | ||||
Partial evidence “GMS was established in early 2003 to provide strategic, business and IT consulting and changed its name to Maksen in December 2010.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 81 contacts → | ||||
Indirect evidence “We are CLUSTER.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 66 contacts → | ||||
Indirect evidence “A NewSpring Services é uma empresa de Consultoria, Gestão de Processos de Outsourcing, Back-Office e Front-Office, com operações de Contact Center, integrada no grupo CTT.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 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 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 28 contacts → | ||||
Indirect evidence “A HM Consultores presta serviços na área da consultoria empresarial há 34 anos, em domínios de actuação bem definidos, assumindo ao mais alto nível um compromisso para com a…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 22 contacts → | ||||
Partial evidence “xseed is a technology consulting and implementation company specializing in application integration and software development.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 19 contacts → | ||||
Partial evidence “Qmetrics is a consulting company in Marketing and Business Intelligence based in Portugal.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 16 contacts → | ||||
Indirect evidence “Boosting performance, leadership and talent.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 11 contacts → | ||||
Indirect evidence “A Viragem | skills 4 empowerment é uma empresa que atua nas áreas de consultoria para os negócios e a gestão, formação, sistemas de informação de apoio à atividade comercial…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 9 contacts → | ||||
Partial evidence “We partner with customers to build and grow successful businesses while delivering customer success.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 7 contacts → | ||||
Indirect evidence “We know that just making and answering calls is not enough.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 7 contacts → | ||||
Strong evidence “InPar is a Business Consulting company specializing in Customer Experience Management.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 6 contacts → | ||||
Partial evidence “A Newin Consulting é uma empresa com 7 anos de atividade construída com base numa equipa jovem e ambiciosa com o objetivo de ajudar as empresas a desenvolver um futuro promissor…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 6 contacts → | ||||
Partial evidence “We are a company dedicated to transforming knowledge and applying strategies that have been proven to generate sustainable results for our customers and profits for their…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Indirect evidence “We are a hospitality concept dedicated to receiving, welcoming and directing you to the best experiences and services since 2010.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 contacts → | ||||
Indirect evidence “A Rigormind iniciou a sua atividade em janeiro de 2012, com o firme objetivo de oferecer ao mercado as melhores soluções na área das Tecnologias de Informação.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Indirect evidence “Driving sales and reducing costs, enabling businesses to differentiate themselves from competitors and drive higher valuations from investors.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Indirect evidence “At THE EGGWHITE, we provide consultancy services in the digital business strategy and usability field.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Indirect evidence “Centro Integrado de Prestação Serviços a Empresas e Particulares Consultores nas áreas de seguros, contabilidade, apoio á gestão, design e comunicação empresarial, com uma…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Indirect evidence “da visão à acção, a diferença está na solução Consultoria.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Partial evidence “A Legacy Consulting, é uma empresa que atua na área da Consultoria e Formação em Recursos Humanos, em diversos Setores: Telecomunicações, Banca & Seguros, Energia, Indústria…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Partial evidence “Stratank Business Consultants specializes in providing top-tier management consulting services, designed to elevate your business and secure a competitive edge in the marketplace.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence “A nossa missão consiste em ajudar aos nossos clientes a aumentarem a eficiência e produtividade das suas empresas, através do estudo, desenvolvimento, e implementação de soluções…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Indirect evidence “A Keep Travel prima pela qualidade dos serviços prestados, privilegiando a consultoria turística personalizada assente numa metodologia de atendimento e aconselhamento de forma a…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 2 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 19, 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: customer service consulting companies. 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 customer service consulting companies.
- Partial evidence
- Its own public description names part of customer service consulting companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name customer service consulting companies. 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 146 customer service consulting companies based in Portugal
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 178 reachable decision-makers.
Free signup · no credit card
Customer service consulting companies based in Portugal at a glance
As of Sep 19, 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 146 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 customer service consulting companies, 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 “customer service consulting companies”. 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 customer service consulting companies), 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 customer service consulting 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 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, 178 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 19, 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.
Customer service consulting companies by metro
- Customer service consulting companies in Lisboa30
- Customer service consulting companies in Porto25
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 customer service consulting companies, 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 customer service consulting companies are there based in Portugal?
RevenueBase identified 146 customer service consulting 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?
GMS, headquartered in Lisbon, tops this list with the largest team on record.
Which city has the most customer service consulting companies?
Lisboa leads with 30 headquartered companies, followed by Porto (25) and Lisbon (20).
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 178 verified decision-maker contacts tracked across these 146 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 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 146 customer service consulting companies based in Portugal. Start with a free account, no credit card.
Download this list →Related lists
Customer service consulting companies by geography
- Customer service consulting companies based in Brisbane, Australia
- Customer service consulting companies based in Melbourne, Australia
- Customer service consulting companies based in Sydney, Australia
- Customer service consulting companies based in Barueri, Brazil
- Customer service consulting companies based in Belo Horizonte, Brazil
- Customer service consulting companies based in Campinas, Brazil
- Customer service consulting companies based in Curitiba, Brazil
- Customer service consulting companies based in Porto Alegre, Brazil
- Customer service consulting companies based in Rio De Janeiro, Brazil
- Customer service consulting companies based in Sao Paulo, Brazil
- Customer service consulting companies based in Calgary, Canada
- Customer service consulting companies based in Montreal, Canada
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Customer service consulting companies based in Brisbane, Australia
- Customer service consulting companies based in Melbourne, Australia
- Customer service consulting companies based in Sydney, Australia
- Customer service consulting companies based in Barueri, Brazil
- Customer service consulting companies based in Belo Horizonte, Brazil
- Customer service consulting companies based in Campinas, Brazil