Company lists · Data refreshed September 2026

Top 25 Offshore accounting support providers based in Portugal

RevenueBase identified 156 offshore accounting support providers headquartered in Portugal as of September 2026 and tracks 913 professional contacts across them, including 360 with verified work emails. Lisboa is the largest hub.

This list covers offshore accounting support 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
156Companies
913Contacts tracked
360Verified emails
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The 25 largest offshore accounting support providers based in Portugal

Ranked by team size
Top 25 of 156 offshore accounting support providers based in Portugal, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to offshore accounting support providers: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceLisbon, PortugalHQ checked Sep 20, 2026201-500303 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceCaldas Da Rainha, PortugalHQ checked Sep 20, 202611-5091 contacts →

Indirect evidence

“UWU Solutions iniciou a sua actividade em Janeiro de 2003, estando portanto prestes a completar 8 anos; ao longo deste período tem vindo a registar um crescimento sustentado…”

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceLisbon, PortugalHQ checked Sep 20, 202611-5032 contacts →

Indirect evidence

“Finpartner will first carry out a detailed analysis of your situation, and then select the team of specialists dedicated to your company, determining the appropriate work methods…”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceTavira, PortugalHQ checked Sep 20, 202611-5025 contacts →

Indirect evidence

“At All Finance Matters we ensure peace of mind when it comes to managing tax obligations in Portugal.”

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceLisbon, PortugalHQ checked Sep 20, 202611-5019 contacts →

Indirect evidence

“Joongle provides specialized solutions for businesses seeking a strategic partner in Portugal.”

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidence9000-046 Funchal, PortugalHQ checked Sep 20, 202611-5015 contacts →

Indirect evidence

“A MAD.INTAX – Madeira Advice for International Structuring, Lda.”

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceMatosinhos, PortugalHQ checked Sep 20, 202611-5013 contacts →

Indirect evidence

“A GESNORT é uma empresa de prestação de serviços de assessoria em contabilidade, fiscalidade e apoio à gestão, capaz de dar resposta às novas exigências de uma sociedade em…”

Source: RevenueBase Database · checked Sep 20, 2026
8Indirect evidencePorto, PortugalHQ checked Sep 20, 202611-5012 contacts →

Indirect evidence

“Desde a sua criação, a Filiconta tem vindo a prestar serviços de excelência na área do apoio à gestão.”

Source: RevenueBase Database · checked Sep 20, 2026
9Partial evidenceFunchal, PortugalHQ checked Sep 20, 202611-5012 contacts →

Partial evidence

“We offer a wide range of services for our clients, with continuous and effective support, customized to different types of customers and their needs.”

Source: RevenueBase Database · checked Sep 20, 2026
10Partial evidenceLisbon, PortugalHQ checked Sep 20, 20261-1011 contacts →

Partial evidence

“Speedwell is an accounting, tax compliance, payroll and corporate administration services dedicated to the success of its clients.”

Source: RevenueBase Database · checked Sep 20, 2026
11Partial evidencePorto, PortugalHQ checked Sep 20, 202611-508 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
12Partial evidencePorto, PortugalHQ checked Sep 20, 20261-108 contacts →

Partial evidence

“Beneficiando de mais de 25 anos de experiência do seu promotor como gestor e membro de órgãos de administração de várias empresas, a AContar - Accounting and Financial Services…”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceFunchal (sé), PortugalHQ checked Sep 20, 202611-507 contacts →

Indirect evidence

“Normifisco is a company based out of Portugal.”

Source: RevenueBase Database · checked Sep 20, 2026
14Strong evidenceLagos, PortugalHQ checked Sep 20, 20261-107 contacts →

Strong evidence

Accounting Support Designed for International Business Owners in Portugal At Elevate Accounting, we understand that great accounting is about more than just compliance, it's…”

Source: RevenueBase Database · checked Sep 20, 2026
15Indirect evidenceEspinho, PortugalHQ checked Sep 20, 20261-106 contacts →

Indirect evidence

“Contabilidade e Fiscalidade”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceCoimbra, PortugalHQ checked Sep 20, 20261-105 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceGafanha Da Nazaré, PortugalHQ checked Sep 20, 20261-104 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
18Partial evidenceLisbon, PortugalHQ checked Sep 20, 20261-104 contacts →

Partial evidence

“Start your business in Portugal with Kilobanan, your expert in accounting certified by the Portuguese Orden of Accountants.”

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceCoimbra, PortugalHQ checked Sep 20, 20261-104 contacts →

Indirect evidence

“Serviços: •Criação de empresa •Contratação bancária •Domiciliação de empresas •Prospeção mercado •Serviço de secretariado e administrativo •Receção e visita empresarial (encontros…”

Source: RevenueBase Database · checked Sep 20, 2026
20Indirect evidenceAlgés, PortugalHQ checked Sep 20, 20261-103 contacts →

Indirect evidence

“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.”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceArca E Ponte De Lima, PortugalHQ checked Sep 20, 20261-103 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
22Indirect evidenceLourinhã - Lisboa, PortugalHQ checked Sep 20, 20261-103 contacts →

Indirect evidence

“A Números Que Falam surge pela iniciativa de dois sócios com sólida experiência profissional em contabilidade, auditoria e gestão financeira em diversos setores de atividade…”

Source: RevenueBase Database · checked Sep 20, 2026
23Indirect evidenceLourosa, PortugalHQ checked Sep 20, 20261-103 contacts →

Indirect evidence

“A AVOP Assessores e Consultores Lda.”

Source: RevenueBase Database · checked Sep 20, 2026
24Indirect evidenceRebordosa, PortugalHQ checked Sep 20, 202611-502 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 20, 2026
25Indirect evidencePortimão, PortugalHQ checked Sep 20, 20261-102 contacts →

Indirect evidence

“Com mais de 20 anos de experiência Oferecemos um vasto leque de serviços de contabilidade, fiscalidade, recursos humanos, gestão de serviços administrativos e marketing recorrendo…”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 156 offshore accounting support providers based in Portugal

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Offshore accounting support providers based in Portugal at a glance

As of Sep 20, 2026
39.4%Verified-email coverage
5.9Average contacts per company
1-10Median size (employees)
10.9%Largest-city concentration · Lisboa
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
124
11-50
30
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 156 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 offshore accounting support 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 “offshore accounting support 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 offshore accounting support 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 offshore accounting support 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, 360 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.

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 offshore accounting support 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 offshore accounting support providers are there based in Portugal?

RevenueBase identified 156 offshore accounting support 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?

Grupo Conceito, headquartered in Lisbon, tops this list with the largest team on record.

Which city has the most offshore accounting support providers?

Lisboa leads with 17 headquartered companies, followed by Porto (12) and Leiria (5).

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 360 verified decision-maker contacts tracked across these 156 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.