Company lists · Data refreshed September 2026

Top 25 Nonprofit tax compliance firms based in Greece

RevenueBase identified 107 company matches for nonprofit tax compliance firms associated with Greece as of September 2026 and tracks 598 professional contacts across them, including 177 with verified work emails. Athens is the largest hub.

This list covers company matches for nonprofit tax compliance firms associated with Greece, 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 20, 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 20, 2026 How this list was built
107Companies
598Contacts tracked
177Verified emails
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The 25 largest nonprofit tax compliance firms based in Greece

Ranked by team size
Top 25 of 107 company matches for nonprofit tax compliance firms based in Greece, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 matchAthens, GreeceHQ recorded Sep 20, 202651-200116 contacts →

Exact match

“Accounting - Taxation - Business Consulting OUR COMPANY Following many years of activity, Fovera Prostasia S.A.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchAthens, GreeceHQ recorded Sep 20, 202651-20039 contacts →

Exact match

“NEPA Economic Consulting, led by CEO Konstantinos Patiris, is a premier financial advisory firm specializing in integrated Tax, Accounting and Business Consulting.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchPylaia, GreeceHQ recorded Sep 20, 202611-5030 contacts →

Exact match

“is a Tax, Accounting, and Consulting Company that has its origin in Greece and is expanded internationally.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchCholargos, GreeceHQ recorded Sep 20, 202611-5015 contacts →

Exact match

“Corporate Consulting Services/Accounting Outsourced Services/Payroll Outsourced Services/Tax Planning”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchGreeceHQ recorded Sep 20, 202611-5012 contacts →

Exact match

“ARGO AUDIT is an auditing, tax and accounting firm, member of S.O.E.L.(The Institute of Certified Public Accountants of Greece) with its structures to meet the high demands of a…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchNea Smirni, GreeceHQ recorded Sep 20, 20261-1012 contacts →

Exact match

“Η εταιρία μας στελεχωμένη με κατηρτισμένους συνεργάτες προσφέρει ολοκληρωμένες λογιστικές, φοροτεχνικές και συμβουλευτικές υπηρεσίες σε κάθε ενδιαφερόμενο φυσικό ή νομικό πρόσωπο.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchAthens, GreeceHQ recorded Sep 20, 202611-509 contacts →

Exact match

“FK Consulting Services Ltd is a dynamic firm providing accounting, tax and consulting services by experienced and accomplished professionals.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchAthens, GreeceHQ recorded Sep 20, 20261-108 contacts →

Exact match

“TLS Tax Advisory (Tax & Law Solutions)-founded in 1996 as a sole proprietorship and transformed to a legal entity in 2020- aims to provide tax/accounting consulting and financial…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchThessaloniki, GreeceHQ recorded Sep 20, 202611-508 contacts →

Exact match

“SEREFIDIS & PARTNERS is a firm providing tax and financial consulting services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchAthens, GreeceHQ recorded Sep 20, 202611-508 contacts →

Exact match

“Taxation, Audit & Accounting Business Consultants Firm PSARIANOS S.A.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchAthens, GreeceHQ recorded Sep 20, 202611-507 contacts →

Exact match

“From entrepreneurial start-ups to major multinational corporations, the businesses we work for have a strong belief that, whatever the market, supremely well managed structures…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchDafni, GreeceHQ recorded Sep 20, 202611-507 contacts →

Exact match

“Στο ευμετάβλητο επιχειρηματικό και οικονομικό περιβάλλον που ζούμε, η ΕΝΤΕΧΝΟΣ ΛΟΓΙΣΤΙΚΗ Α.Ε.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchKalamata, GreeceHQ recorded Sep 20, 202611-507 contacts →

Exact match

“P&K Kraniotis & Partners provides cosulting, tax and advisory services to all types of entities, privately-held businesses and public sector businesses.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchAthens, GreeceHQ recorded Sep 20, 202611-506 contacts →

Exact match

“Η E Μέντωρ Solutions ιδρύθηκε το 2016 από στελέχη που συνεργάζονται με φορείς του δημοσίου πάνω από 10 έτη.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchThessaloniki, GreeceHQ recorded Sep 20, 20261-106 contacts →

Exact match

“Το όραμά μας είναι η παροχή άριστης ποιότητας υπηρεσιών φοροτεχνικής και λογιστικής κάλυψης των επιχειρήσεων, που επιτυγχάνεται με την στενή συνεργασία και προσωπική επαφή με την…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchΝέα Φιλαδέλφεια, GreeceHQ recorded Sep 20, 202611-506 contacts →

Exact match

“Από το 2009 το λογιστικό γραφείο «ΧΑΡΑΛΑΜΠΟΣ ΣΑΜΑΡΑΣ ΙΚΕ» μαζί με το κατάλληλο ανθρώπινο δυναμικό εξυπηρετεί πλήθος επιχειρήσεων με κύριο μέλημα την εκπλήρωση των λογιστικών και…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchΑθήνα, GreeceHQ recorded Sep 20, 202611-506 contacts →

Exact match

“Τα τελευταία 40 χρόνια, παρέχουμε φορολογικές, λογιστικές και συμβουλευτικές υπηρεσίες συνδυάζοντας την επαγγελματική προσέγγιση με την διαπροσωπική επαφή και αναγνωρίζοντας την…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchMaroussi, GreeceHQ recorded Sep 20, 20261-106 contacts →

Exact match

“Lysis founded on 2006.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchNea Ionia, GreeceHQ recorded Sep 20, 20261-104 contacts →

Exact match

“Here at CBS - Consolidated Business Solutions our highly skilled and experienced staff and colleagues through the use of technology and applying the highest standards of service…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchChalandri, GreeceHQ recorded Sep 20, 202611-504 contacts →

Exact match

“Η International Advisory Services Α.Ε.(IAS) είναι μία συμβουλευτική εταιρία που σχεδιάζει και παρέχει υπεύθυνα υπηρεσίες υψηλής ποιότητας, προσαρμοσμένες στις ιδιαίτερες ανάγκες…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchKallithea, GreeceHQ recorded Sep 20, 20261-104 contacts →

Exact match

“Accounting & Tax Advisory Services -drafting and filling tax files / returns of any kind, interim or annual, of any tax subject such as VAT, corporation tax, Land & Property, E9…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchAthens, GreeceHQ recorded Sep 20, 202611-503 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchSalonica, GreeceHQ recorded Sep 20, 202611-503 contacts →

Exact match

“Grekos Consulting is specialized in providing comprehensive consulting services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchAthens, GreeceHQ recorded Sep 20, 202611-503 contacts →

Exact match

“Established in 1975 by Konstantinos Sterodimas, Sterodima & Co is a leading accounting and tax firm based in Agia Paraskevi, Athens.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchThessaloniki, GreeceHQ recorded Sep 20, 20261-103 contacts →

Exact match

“The company providesTax and Accounting servicesand integrated solutionsConsulting Services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 107 nonprofit tax compliance firms based in Greece

See the full list, filter by size, metro and specialty, and access 177 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit tax compliance firms based in Greece at a glance

As of Sep 20, 2026
29.6%Verified-email coverage
5.6Average contacts per company
1-10Median size (employees)
29.0%Largest-city concentration · Athens
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
64
11-50
39
51-200
4

Email recency for this list is measured worldwide rather than for Greece, so it is reported there. Company counts and contact totals on this page are exact for Greece, over 107 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 Greece whose business descriptions match “nonprofit tax compliance 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 177 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 20, 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 “nonprofit tax compliance firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit tax compliance firms are there based in Greece?

RevenueBase identified 107 company matches for nonprofit tax compliance firms associated with Greece 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?

Fovera Prostasia S.A tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most nonprofit tax compliance firms?

Athens leads with 31 company records, followed by Thessaloniki (6) and Attica (2).

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 177 professional contacts with verified work emails tracked across these 107 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 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 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.