Company lists · Data verified August 2026

Top 10 Accounting firms for international nonprofits based in Porto, Portugal

Name: Accounting firms for international nonprofits based in Porto, Portugal
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 35 companies tracked

There are 35 accounting firms for international nonprofits headquartered in Porto, Portugal (RevenueBase, August 2026). RevenueBase tracks 270 professional contacts across them, including 96 with verified work emails and 8 with mobile numbers. Lisboa is the largest hub.

This list covers accounting firms for international nonprofits headquartered in Porto, Portugal, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

35Companies

270Contacts tracked

96Verified emails

8Mobile numbers

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The 10 largest accounting firms for international nonprofits based in Porto, Portugal

Ranked by team size

Top 10 of 35 accounting firms for international nonprofits based in Porto, Portugal, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	CFA	Porto	51-200	85	56
2	NEXIA	Porto	11-50	24	11
3	Accruepartners TAX And Management Advisors	Porto	11-50	18	11
4	BMS	Porto	11-50	10	4
5	Marso SA	Porto	11-50	8	4
6	CASI	Porto	1-10	5	1
7	Ceteocontas	Porto	11-50	4	3
8	Consultingcast	Porto	1-10	3	1
9	Sinerconta, Contabilidade E Consultoria	Porto	1-10	2	1
10	Excellentia Accounting	Porto	1-10	1	1

Showing 10 of 35 accounting firms for international nonprofits based in Porto, Portugal

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Accounting firms for international nonprofits based in Porto, Portugal at a glance

As of Aug 28, 2026

1-10Median size (employees)

LisboaLargest hub · 70 HQs

8Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Accounting firms for international nonprofits by metro in Portugal

Metro	Companies
Accounting firms for international nonprofits in Lisboa	70
Accounting firms for international nonprofits in Porto	35
Accounting firms for international nonprofits in Leiria	9
Accounting firms for international nonprofits in Vila Nova De Gaia	8
Accounting firms for international nonprofits in Lisbon	7
Accounting firms for international nonprofits in Braga	6
Accounting firms for international nonprofits in Matosinhos	5

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “accounting firms for international nonprofits”, with match quality audited by blind human judging, and headquartered in Porto, Portugal.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many accounting firms for international nonprofits are there based in Porto, Portugal?

There are 35 accounting firms for international nonprofits headquartered in Porto, Portugal as of August 2026 (RevenueBase).

What is the largest company on this list?

CFA, headquartered in Porto, tops this list with the largest team on record.

Which city has the most accounting firms for international nonprofits?

Lisboa leads with 70 headquartered companies, followed by Porto (35) and Leiria (9).

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 96 verified decision-maker contacts tracked across these 35 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.