Company lists · Data refreshed September 2026
Top 19 Expat tax law firms based in Greece
RevenueBase identified 54 expat tax law firms headquartered in Greece as of September 2026 and tracks 442 professional contacts across them, including 215 with verified work emails. Athens is the largest hub.
This list covers expat tax law 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 28, 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 19 largest expat tax law firms based in Greece
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 217 contacts → | ||||
Partial evidence “Founded in 1893, Zepos & Yannopoulos is one of the longest established law firms in Greece.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 22 contacts → | ||||
Indirect evidence “At the moment we are proud to be the Greek leader in Foreign Direct Investments, European residence and citizenship planning.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 19 contacts → | ||||
Partial evidence “DINAMIKI Ltd is a specialized tax boutique established in May 1990 in Athens.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 16 contacts → | ||||
Strong evidence “Iason Skouzos TaxLaw is a Greek commercial & tax law firm based in Athens.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 13 contacts → | ||||
Partial 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 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 12 contacts → | ||||
Indirect evidence “Η εταιρία μας στελεχωμένη με κατηρτισμένους συνεργάτες προσφέρει ολοκληρωμένες λογιστικές, φοροτεχνικές και συμβουλευτικές υπηρεσίες σε κάθε ενδιαφερόμενο φυσικό ή νομικό πρόσωπο.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 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 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 6 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 5 contacts → | ||||
Partial evidence “Callamus is a boutique, cross border tax and corporate advisory firm that protects and structures the wealth of internationally active individuals, entrepreneurs, and families.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 4 contacts → | ||||
Partial evidence “Vardalos & Associates Inc has over 30 years of US Accounting, Taxation and Consulting experience, providing complete Tax and Accounting solutions to companies and individuals.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 3 contacts → | ||||
Partial evidence “Taxcorner is a Global tax and accounting company.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 3 contacts → | ||||
Indirect evidence “Η TaxPlanet είναι μια νέα, σύγχρονη εταιρεία συμβούλων επιχειρήσεων, με έδρα τη Λάρισα, η οποία μέσα από ένα ευρύ φάσμα οικονομικών, φοροτεχνικών, λογιστικών και νομικών υπηρεσιών…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 2 contacts → | ||||
Partial evidence “Gaganas & Partners is a Law office with international expertise located in Athens Greece.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 2 contacts → | ||||
Partial evidence “Hadjiprodromou-Triantaphillou & Partners (HT & P), one of the leading full-service law firms in Greece, was established as a formal legal partnership in 1993.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 2 contacts → | ||||
Partial evidence “The accounting office is headed by Georgios Koumvoutis, Graduate of the School of Management and Economics (S.M.E.), TEI of Crete is based in Heraklion, Accountant - Tax…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 2 contacts → | ||||
Partial evidence “TaxBlock's team of experts provides: TAX SERVICES EXCLUSIVELY DESIGNED FOR RESIDENTS ABROAD We undertake individual tax issues and also provide integrated annual packages for…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 2 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 2 contacts → | ||||
Indirect evidence “Our office was founded in 1984 by Mr.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 1 contacts → | ||||
Indirect evidence “Αποστολή του γραφείου μας είναι η παροχή υπηρεσιών υψηλής ποιότητας, προσαρμοσμένων στις ιδιαίτερες ανάγκες των πελατών μας, με στόχο τη δημιουργία μιας μακροχρόνιας σχέσης…” Source: RevenueBase Database · checked Sep 28, 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: expat tax law 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 expat tax law firms.
- Partial evidence
- Its own public description names part of expat tax law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name expat tax law 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 19 of 54 expat tax law firms based in Greece
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Expat tax law firms based in Greece at a glance
As of Sep 28, 2026Companies by employee count
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 54 companies.
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 expat tax law 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 “expat tax law 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 expat tax law 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 expat tax law 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, 215 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 28, 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.
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 expat tax law 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 expat tax law firms are there based in Greece?
RevenueBase identified 54 expat tax law 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?
Zepos & Yannopoulos, headquartered in Greece, tops this list with the largest team on record.
Which city has the most expat tax law firms?
Athens leads with 22 headquartered companies, followed by Thessaloniki (3) and Attiki (1).
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 215 verified decision-maker contacts tracked across these 54 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 28, 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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