Company lists · Data refreshed September 2026

Top 25 Tax services accounting firms based in Greece

RevenueBase identified 418 tax services accounting firms headquartered in Greece as of September 2026 and tracks 4,232 professional contacts across them, including 1,082 with verified work emails and 69 with mobile numbers. Athens is the largest hub.

This list covers tax services accounting firms headquartered in Greece, 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 6, 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 6, 2026 86% judged on-target in blind review
418Companies
4,232Contacts tracked
1,082Verified emails
69Mobile numbers
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The 25 largest tax services accounting firms based in Greece

Ranked by team size
Top 25 of 418 tax services accounting firms based in Greece, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to tax services accounting firms: 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
1Partial evidenceAthens, GreeceHQ checked Sep 6, 20261,001-5,0001,313 contacts →

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

Source: company website · checked Sep 6, 2026
2Strong evidenceAthens, GreeceHQ checked Sep 6, 2026501-1,000755 contacts →

“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…”

Source: company website · checked Sep 6, 2026
3Partial evidenceAthens, GreeceHQ checked Sep 6, 202651-200116 contacts →

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

Source: company website · checked Sep 6, 2026
4Indirect evidenceThessaloniki, GreeceHQ checked Sep 6, 202651-20061 contacts →

“Orthologismos S.A.”

Source: company website · checked Sep 6, 2026
5Strong evidenceAthens, GreeceHQ checked Sep 6, 202651-20039 contacts →

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

Source: company website · checked Sep 6, 2026
6Strong evidencePylaia, GreeceHQ checked Sep 6, 202611-5030 contacts →

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

Source: company website · checked Sep 6, 2026
7Partial evidenceMaroussi, GreeceHQ checked Sep 6, 202611-5029 contacts →

“tgs (Hellas) is the brand under which experienced professionals collaborate to provide integrated business services, audit, consulting, financial advisory, tax, compliance, legal…”

Source: company website · checked Sep 6, 2026
8Indirect evidenceKallithea, GreeceHQ checked Sep 6, 202611-5028 contacts →

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

Source: company website · checked Sep 6, 2026
9Partial evidenceAthens, GreeceHQ checked Sep 6, 202611-5025 contacts →

“Kleopas Alliott Business Consultants is an independent leading Accounting firm in Greece since 1990, with an innovative international orientation and a unique client focus service…”

Source: company website · checked Sep 6, 2026
10Partial evidenceGreeceHQ checked Sep 6, 202611-5025 contacts →

“atc providing Audit, Tax and Advisory services.”

Source: company website · checked Sep 6, 2026
11Partial evidenceAthens, GreeceHQ checked Sep 6, 202611-5021 contacts →

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

Source: company website · checked Sep 6, 2026
12Strong evidenceAthens, GreeceHQ checked Sep 6, 202611-5021 contacts →

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

Source: company website · checked Sep 6, 2026
13Partial evidenceMelissia, GreeceHQ checked Sep 6, 202611-5019 contacts →

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

Source: company website · checked Sep 6, 2026
14Indirect evidenceKallithea, GreeceHQ checked Sep 6, 202611-5018 contacts →

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

Source: company website · checked Sep 6, 2026
15Strong evidenceAthens, GreeceHQ checked Sep 6, 202611-5018 contacts →

“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…”

Source: company website · checked Sep 6, 2026
16Strong evidenceAthens, GreeceHQ checked Sep 6, 202611-5017 contacts →

“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…”

Source: company website · checked Sep 6, 2026
17Indirect evidenceIrakleio, GreeceHQ checked Sep 6, 202611-5016 contacts →

“Orion is a modern company of chartered accountants, with structures adapted to the requirements of today.”

Source: company website · checked Sep 6, 2026
18Strong evidenceCholargos, GreeceHQ checked Sep 6, 202611-5015 contacts →

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

Source: company website · checked Sep 6, 2026
19Strong evidenceAthens, GreeceHQ checked Sep 6, 202611-5013 contacts →

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

Source: company website · checked Sep 6, 2026
20Strong evidencePylaia - Chortiatis, GreeceHQ checked Sep 6, 202611-5012 contacts →

“Gnosi Tax & Accounting Experts” is an accounting and tax services provider company for entities of any size and any field of the global economy.”

Source: company website · checked Sep 6, 2026
21Partial evidenceAyia Paraskevi, GreeceHQ checked Sep 6, 202611-5012 contacts →

“JPA Audit Greece is a firm of Certified Public Accountants and Business Advisors, member of the Institute of Certified Public Accountants of Greece and the Accounting and Auditing…”

Source: company website · checked Sep 6, 2026
22Indirect evidenceNea Smirni, GreeceHQ checked Sep 6, 20261-1012 contacts →

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

Source: company website · checked Sep 6, 2026
23Partial evidenceThessaloniki, GreeceHQ checked Sep 6, 20261-1011 contacts →

“Alpha Auditors" is a fast-growing company specializing in providing audit, consulting and tax services.”

Source: company website · checked Sep 6, 2026
24Indirect evidenceChaidari, GreeceHQ checked Sep 6, 202611-5011 contacts →

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

Source: company website · checked Sep 6, 2026
25Partial evidenceVrilissia, GreeceHQ checked Sep 6, 20261-1011 contacts →

“Η εταιρία ABC Tax Services ΙΚΕ συστάθηκε στις αρχές του 2015 με στόχο την παροχή σύγχρονων μηχανογραφημένων λογιστικών και φοροτεχνικών υπηρεσιών.”

Source: company website · checked Sep 6, 2026

Showing 25 of 418 tax services accounting firms based in Greece

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Tax services accounting firms based in Greece at a glance

As of Sep 6, 2026
25.6%Verified-email coverage
1.6%Mobile-number coverage
10.1Average contacts per company
1-10Median size (employees)
22.5%Largest-city concentration · Athens
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
262
11-50
140
51-200
13
201-500
1
501-1,000
1
1,001-5,000
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 tax services accounting firms, 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 Greece whose own description of what they do matches “tax services accounting firms”. 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 tax services accounting firms), 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 tax services accounting firms, and records with no verified work email. Companies headquartered outside Greece 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, 1,082 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 6, 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.

Tax services accounting firms by metro

  • Tax services accounting firms in Athens94

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 tax services accounting firms, 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 tax services accounting firms are there based in Greece?

RevenueBase identified 418 tax services accounting firms headquartered in Greece 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?

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

Which city has the most tax services accounting firms?

Athens leads with 94 headquartered companies, followed by Thessaloniki (20) and Piraeus (6).

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 1,082 verified decision-maker contacts tracked across these 418 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 6, 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.