Company lists · Data refreshed October 2026

Top 25 International tax accounting firms based in Greece

RevenueBase identified 241 company matches for international tax accounting firms associated with Greece as of October 2026 and tracks 3,326 professional contacts across them, including 951 with verified work emails and 43 with mobile numbers. Athens is the largest hub.

This list covers company matches for international tax accounting 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 October 1, 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 Oct 1, 2026 How this list was built
241Companies
3,326Contacts tracked
951Verified emails
43Mobile numbers
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The 25 largest international tax accounting firms based in Greece

Ranked by team size
Top 25 of 241 company matches for international tax accounting firms based in Greece, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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 Oct 1, 20261,001-5,0001,313 contacts →

Exact match

“Grant Thornton SA provides personalised assurance, tax and advisory services to listed entities, privately-held businesses and public sector businesses.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchAthens, GreeceHQ recorded Oct 1, 2026501-1,000755 contacts →

Exact match

“Operating in Greece for more than 50 years KPMG offers through 4 entities, audit, tax, accounting & payroll, legal and advisory services to domestic and international businesses…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchAthens, GreeceHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
4Exact matchThessaloniki, GreeceHQ recorded Oct 1, 202651-20061 contacts →

Exact match

“Orthologismos S.A.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchAthens, GreeceHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
6Exact matchPylaia, GreeceHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
7Exact matchKallithea, GreeceHQ recorded Oct 1, 202611-5028 contacts →

Exact match

“Στην Computax, είμαστε αφοσιωμένοι στην παροχή εξαιρετικών λογιστικών υπηρεσιών που ενδυναμώνουν τις επιχειρήσεις να επιτύχουν τους οικονομικούς τους στόχους.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchAthens, GreeceHQ recorded Oct 1, 202611-5021 contacts →

Exact match

“Actnet Tax Solutions is a leading, independent firm of certified accountants.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchAthens, GreeceHQ recorded Oct 1, 202611-5021 contacts →

Exact match

“INTERLOG SA provides a range of high-quality services, including accounting, tax as well as advisory services to individuals, corporates and other organisations.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchMelissia, GreeceHQ recorded Oct 1, 202611-5019 contacts →

Exact match

“DINAMIKI Ltd is a specialized tax boutique established in May 1990 in Athens.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchKallithea, GreeceHQ recorded Oct 1, 202611-5018 contacts →

Exact match

“C&A was established in Athens in 2015.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchAthens, GreeceHQ recorded Oct 1, 202611-5018 contacts →

Exact match

“Prooptiki was established as an accounting firm back in 1984; today, it is one of the most successful companies in the economic sector, providing consultation on accounting-tax…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchAthens, GreeceHQ recorded Oct 1, 202611-5017 contacts →

Exact match

“AMBE Accounting Management & Business Enhancement has, since founding, been active in the area of tax, accounting and consultancy services aiming at the holistic support of…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchCholargos, GreeceHQ recorded Oct 1, 202611-5015 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchAthens, GreeceHQ recorded Oct 1, 202611-5013 contacts →

Exact match

“Seretis Accounting has built a strong reputation as a trusted business and tax consultant over the past 20 years.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchNea Smirni, GreeceHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
17Exact matchChaidari, GreeceHQ recorded Oct 1, 202611-5011 contacts →

Exact match

“Λογιστής Λογιστική εταιρεία Σύμβουλος επιχειρήσεων Εφοριακός Αποτιμητής Φοροτεχνικός Chartered accountant Χρηματοποικονομικός σύμβουλος Γραφείο διεκπεραιώσης φορολογικών δηλώσεων…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchAthens, GreeceHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
19Exact matchAthens, GreeceHQ recorded Oct 1, 202611-508 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchAthens, GreeceHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
21Exact matchThessaloniki, GreeceHQ recorded Oct 1, 202611-508 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchHeraklion, GreeceHQ recorded Oct 1, 202611-508 contacts →

Exact match

“At Tsoukakis Accounting, our dedicated team’s mission is to provide high quality accounting, tax, and payroll services tailored to the unique needs of individuals and businesses.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchAthens, GreeceHQ recorded Oct 1, 202611-508 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchAthens, GreeceHQ recorded Oct 1, 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 · Oct 1, 2026 · View company records in RevenueBase
25Exact matchAthens, GreeceHQ recorded Oct 1, 202611-507 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 241 international tax accounting firms based in Greece

See the full list, filter by size, metro and specialty, and access 951 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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International tax accounting firms based in Greece at a glance

As of Oct 1, 2026
28.6%Verified-email coverage
1.3%Mobile-number coverage
13.8Average contacts per company
1-10Median size (employees)
25.3%Largest-city concentration · Athens
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
142
11-50
87
51-200
9
201-500
1
501-1,000
1
1,001-5,000
1

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 33.0d

Company record updated

Median 75.5d

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 “international tax accounting 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 951 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 October 1, 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.

International tax accounting firms by metro

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 “international tax accounting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many international tax accounting firms are there based in Greece?

RevenueBase identified 241 company matches for international tax accounting firms associated with Greece as of October 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?

Grant Thornton Greece tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most international tax accounting firms?

Athens leads with 61 company records, followed by Thessaloniki (11) and Kallithea (4).

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 951 professional contacts with verified work emails tracked across these 241 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 October 1, 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.