Company lists · Data verified August 2026

Top 25 Accounting firms for international nonprofits based in Greece

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 240 companies tracked

There are 240 accounting firms for international nonprofits headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 2,767 professional contacts across them, including 513 with verified work emails and 37 with mobile numbers. Athens is the largest hub.

This list covers accounting firms for international nonprofits headquartered in Greece, 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.

240Companies

2,767Contacts tracked

513Verified emails

37Mobile numbers

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The 25 largest accounting firms for international nonprofits based in Greece

Ranked by team size

Top 25 of 240 accounting firms for international nonprofits based in Greece, 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	Grant Thornton Greece	Athens	1,001-5,000	1,298	231
2	Fovera Prostasia S.A	n/a	51-200	114	63
3	Kreston Greece S.A	Athens	51-200	30	13
4	Atlas Consulting	n/a	11-50	30	9
5	Computax S.A	n/a	11-50	28	8
6	Kleopas Alliott Business Consultants SA	n/a	11-50	25	11
7	Actnet TAX Solutions	n/a	11-50	21	10
8	C&a Certified Public Accountants	n/a	11-50	18	11
9	Nexia Eurostatus SA	Athens	11-50	16	7
10	Orion Certified Auditors SA	n/a	11-50	16	3
11	Argo Audit LTD	n/a	11-50	13	4
12	JPA Audit Greece	Greece	11-50	12	2
13	TMS Auditors S.A	n/a	11-50	10	6
14	CPΑ Kudos Greece	n/a	11-50	9	2
15	EF Audit Certified Auditors & Business Consultants A.E	Elliniko Argyroupoli	11-50	9	2
16	Γραφειο Ψαριανου Α.Ε	Athens	11-50	8	2
17	Εντεχνοσ Λογιστικη	n/a	11-50	7	3
18	Margins	n/a	11-50	7	2
19	MGI Sofakis Partners	Haidari	11-50	6	3
20	Γραφειο Καραμπελα Taxnet.Gr	n/a	11-50	6	2
21	KMC Auditing S.A	n/a	11-50	5	4
22	International Advisory Services S.A	Athens	11-50	4	1
23	Delta Partners SA	Athens	11-50	4	1
24	Ergo Accounting S.A	n/a	11-50	3	2
25	Eurolog LTD	n/a	11-50	3	1

Showing 25 of 240 accounting firms for international nonprofits based in Greece

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Accounting firms for international nonprofits based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 61 HQs

37Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

137

11-50

51-200

201-500

1,001-5,000

Accounting firms for international nonprofits by metro

Metro	Companies
Accounting firms for international nonprofits in Athens	61
Accounting firms for international nonprofits in Thessaloniki	11
Accounting firms for international nonprofits in Piraeus	4
Accounting firms for international nonprofits in Salonica	3
Accounting firms for international nonprofits in Attica	3
Accounting firms for international nonprofits in Greece	3
Accounting firms for international nonprofits in Chalandri	2

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 Greece.
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; 4 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 Greece?

There are 240 accounting firms for international nonprofits headquartered in Greece as of August 2026 (RevenueBase).

What is the largest company on this list?

Grant Thornton Greece, headquartered in Athens, tops this list with the largest team on record.

Which city has the most accounting firms for international nonprofits?

Athens leads with 61 headquartered companies, followed by Thessaloniki (11) and Piraeus (4).

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 513 verified decision-maker contacts tracked across these 240 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.