Company lists · Data refreshed September 2026

Top 23 Accounting process outsourcing firms based in Portugal

RevenueBase identified 125 company matches for accounting process outsourcing firms associated with Portugal as of September 2026 and tracks 721 professional contacts across them, including 267 with verified work emails. Porto is the largest hub.

This list covers company matches for accounting process outsourcing firms associated with Portugal, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 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 RevenueBase SmartSearch · Exact Recorded Sep 27, 2026 How this list was built
125Companies
721Contacts tracked
267Verified emails
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The 23 largest accounting process outsourcing firms based in Portugal

Ranked by team size
Top 23 of 125 company matches for accounting process outsourcing firms based in Portugal, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLisbon, PortugalHQ recorded Sep 27, 2026201-500303 contacts →

Exact match

“Fundada em junho de 1982, a Conceito dedica-se à prestação de serviços de outsourcing nas áreas de Contabilidade, Fiscalidade, Consultoria, Processamento Salarial, Tesouraria e…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchAlbufeira, PortugalHQ recorded Sep 27, 202611-5019 contacts →

Exact match

“A essência dos nossos serviços assenta na superação das expetativas dos nossos clientes!”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchLeiria, PortugalHQ recorded Sep 27, 202611-5017 contacts →

Exact match

“A TCC & ASSOCIADOS visa garantir de forma independente e proactiva o acesso a informação fiável e rigorosa, tempestiva e adequada a cada Cliente, criando valor e suportando o…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchMatosinhos, PortugalHQ recorded Sep 27, 202611-5015 contacts →

Exact match

“We help your business grow with rigorous, reliable and close accounting services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchPorto, PortugalHQ recorded Sep 27, 202611-5013 contacts →

Exact match

“Organização que se dedica à prestação de serviços de Auditoria e Revisão Legal das Contas, Fiscalidade, Consultoria e Serviços em regime de outsourcing (contabilidade, recursos…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchLisbon, PortugalHQ recorded Sep 27, 202611-509 contacts →

Exact match

“Contabilidade | Consultoria | Salários”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchPorto, PortugalHQ recorded Sep 27, 202611-508 contacts →

Exact match

“Accounting / Audit Complete coverage, internally and externally, or a simple follow-up, verification and/or work management if executed at the Company’s office.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchAmadora, PortugalHQ recorded Sep 27, 20261-108 contacts →

Exact match

“Fundada em 1992, a Contamestre tem como objetivo, realizar serviços com qualidade, eficiência, eficácia, rigor e competência.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchLisbon, PortugalHQ recorded Sep 27, 202611-507 contacts →

Exact match

“Desde junho de 2013 que construímos uma equipa e uma rede de parcerias sólidas que nos permitem prestar um serviço especializado e adequado a cada um dos nossos clientes.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchCoimbra, PortugalHQ recorded Sep 27, 20261-106 contacts →

Exact match

“A Sociedade de Revisores Oficiais de Contas Pinto, Barros & Cardoso, SROC, Lda, surgiu de um projeto de fusão, entre Carlos Barros, SROC, Soc.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchMatosinhos, PortugalHQ recorded Sep 27, 20261-106 contacts →

Exact match

“A sociedade Ricardo Pereira & Associados – SROC, Lda.(RPA) desenvolve a sua atividade desde 2011, inicialmente sob a forma individual e depois sob a forma societária.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchCoimbra, PortugalHQ recorded Sep 27, 20261-105 contacts →

Exact match

“Tax Account é uma empresa especializada em serviços de Contabilidade, Fiscalidade, Consultoria, Recursos Humanos e Apoio à Gestão.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchGafanha Da Nazaré, PortugalHQ recorded Sep 27, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchFaro, PortugalHQ recorded Sep 27, 202611-504 contacts →

Exact match

“Lumarcont - luisa Martins Contabilidade Lda is an accounting company based out of Rua de São Luis nº21a, Faro, Portugal.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchAlgés, PortugalHQ recorded Sep 27, 20261-103 contacts →

Exact match

“A Primeuneed nasce em 2018, da paixão pela área financeira e do espírito empreendedor dos seus sócios, para a realização de um projeto em comum.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchArca E Ponte De Lima, PortugalHQ recorded Sep 27, 20261-103 contacts →

Exact match

“Na CF5 dedicamo-nos à consultoria contabilística, auditoria e à gestão financeira das empresas.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchRebordosa, PortugalHQ recorded Sep 27, 202611-502 contacts →

Exact match

“A ContaConcept II, oferece serviços de contabilidade de alta qualidade para empresas de todas as dimensões.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchLisbon, PortugalHQ recorded Sep 27, 20261-102 contacts →

Exact match

“Accounting and consulting services to companies using online innovative methodologies”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchPorto, PortugalHQ recorded Sep 27, 20261-102 contacts →

Exact match

“Somos um gabinete de contabilidade sediado no Porto há mais de trinta anos.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchAlgueirão-mem Martins, PortugalHQ recorded Sep 27, 20261-101 contacts →

Exact match

“é uma empresa orientada para a prestação de serviços de contabilidade, fiscalidade, recursos humanos e outros serviços administrativos a todas as empresas de todos os setores de…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchCorroios, PortugalHQ recorded Sep 27, 20261-101 contacts →

Exact match

“A Numeraura, Lda, foi criada em Janeiro 2008, por Susana Vieira e Luís Duarte, como Empresa de Prestação de Serviços de Contabilidade, Fiscalidade e Consultoria de Gestão.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchPorto, PortugalHQ recorded Sep 27, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchPorto, PortugalHQ recorded Sep 27, 20261-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 23 of 125 accounting process outsourcing firms based in Portugal

See the full list, filter by size, metro and specialty, and access 267 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting process outsourcing firms based in Portugal at a glance

As of Sep 27, 2026
37.0%Verified-email coverage
5.8Average contacts per company
1-10Median size (employees)
11.2%Largest-city concentration · Porto
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
101
11-50
21
201-500
1

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 125 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

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
Company records associated with Portugal whose business descriptions match “accounting process outsourcing firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 267 professional contacts with verified work emails across the full matched dataset. 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.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “accounting process outsourcing firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting process outsourcing firms are there based in Portugal?

RevenueBase identified 125 company matches for accounting process outsourcing firms associated with Portugal as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Grupo Conceito tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most accounting process outsourcing firms?

Porto leads with 14 company records, followed by Lisbon (13) and Coimbra (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 267 professional contacts with verified work emails tracked across these 125 companies; direct dials are available where recorded.

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 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.