Company lists · Data refreshed September 2026
Top 22 Tax accounting firms based in Athens, Greece
RevenueBase identified 88 tax accounting firms headquartered in Athens, Greece as of September 2026 and tracks 575 professional contacts across them, including 132 with verified work emails and 4 with mobile numbers. Athens is the largest hub.
This list covers tax accounting firms headquartered in Athens, 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 13, 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.
The 22 largest tax accounting firms based in Athens, Greece
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 39 contacts → | ||||
Strong evidence “NEPA Economic Consulting, led by CEO Konstantinos Patiris, is a premier financial advisory firm specializing in integrated Tax, Accounting and Business Consulting.” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 2 | 21 contacts → | ||||
Strong evidence “INTERLOG SA provides a range of high-quality services, including accounting, tax as well as advisory services to individuals, corporates and other organisations.” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 3 | 18 contacts → | ||||
Strong evidence “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: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 4 | 17 contacts → | ||||
Strong evidence “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: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 5 | 13 contacts → | ||||
Strong evidence “Seretis Accounting has built a strong reputation as a trusted business and tax consultant over the past 20 years.” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 6 | 10 contacts → | ||||
Indirect evidence “OLYMPIA AUDITORS S.A.” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 7 | 9 contacts → | ||||
Strong evidence “Premier Consulting SA is an accounting, tax and business advisory firm established with the objective to provide high quality personalised services.” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 8 | 9 contacts → | ||||
Strong evidence “FK Consulting Services Ltd is a dynamic firm providing accounting, tax and consulting services by experienced and accomplished professionals.” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 9 | 8 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 10 | 8 contacts → | ||||
Strong evidence “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…” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 11 | 8 contacts → | ||||
Partial evidence “Taxation, Audit & Accounting Business Consultants Firm PSARIANOS S.A.” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 12 | 8 contacts → | ||||
Partial evidence “We solve all your consulting and accounting issues Having in its human resources experienced and specialized accountants Aegean Consulting Group provides high level accounting…” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 13 | 7 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 14 | 7 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Indirect evidence “Η E Μέντωρ Solutions ιδρύθηκε το 2016 από στελέχη που συνεργάζονται με φορείς του δημοσίου πάνω από 10 έτη.” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 16 | 6 contacts → | ||||
Strong evidence “CapaEpsilon OSP® was established in 2015 as an accounting and tax consultancy company.” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 17 | 4 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Strong evidence “TaxGate is a premier provider of cutting-edge accounting and tax solutions, dedicated to delivering exceptional service and innovative strategies.” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Partial evidence “We, at Startfins, have been specializing in financial controlling, accounting and international taxation services since 2021.” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 20 | 2 contacts → | ||||
Indirect evidence “Παρέχουμε λογιστικές, φοροτεχνικές και χρηματοοικονομικές υπηρεσίες σε ατομικές και μικρομεσαίες επιχειρήσεις, καθώς και συμβουλευτική υποστήριξη σε εξειδικευμένα οικονομικά…” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Partial evidence “At EPS, we are an accounting firm located in the Aigaleo, Athens, we take pride in ourselves on maintaining a policy of providing professional, efficient and high quality service…” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Strong evidence “Emphasis is a firm specialized in accounting and tax consulting services, located in Athens.” Source: RevenueBase Database · checked Sep 13, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: tax accounting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names tax accounting firms.
- Partial evidence
- Its own public description names part of tax accounting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name tax accounting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 22 of 88 tax accounting firms based in Athens, Greece
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Tax accounting firms based in Athens, Greece at a glance
As of Sep 13, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 15.0dCompany record updated
Median 76.0dHow 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 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 Athens, Greece whose own description of what they do matches “tax 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 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 accounting firms, and records with no verified work email. Companies headquartered outside Athens 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, 132 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 13, 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 accounting firms by metro in Greece
- Tax accounting firms in Athens88
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 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 accounting firms are there based in Athens, Greece?
RevenueBase identified 88 tax accounting firms headquartered in Athens, 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?
Nepa Economic Consulting S.A, headquartered in Athens, tops this list with the largest team on record.
Which city has the most tax accounting firms?
Athens leads with 88 headquartered companies, followed by Thessaloniki (19) 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 132 verified decision-maker contacts tracked across these 88 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 13, 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.
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