Company lists · Data refreshed September 2026

Top 25 Advisory consulting firms based in Greece

Name: Advisory consulting firms based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 23, 2026 443 companies tracked

RevenueBase identified 443 company matches for advisory consulting firms associated with Greece as of September 2026 and tracks 5,420 professional contacts across them, including 1,635 with verified work emails and 101 with mobile numbers. Athens is the largest hub.

This list covers company matches for advisory consulting 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 23, 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 23, 2026 How this list was built

443Companies

5,420Contacts tracked

1,635Verified emails

101Mobile numbers

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The 25 largest advisory consulting firms based in Greece

Ranked by team size

Top 25 of 443 company matches for advisory consulting firms based in Greece, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 23, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Grant Thornton Greece	Exact match	Athens, GreeceHQ recorded Sep 23, 2026	1,001-5,000	1,313 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 · Sep 23, 2026 · View company records in RevenueBase
2	Accenture Greece	Exact match	Kifisia, GreeceHQ recorded Sep 23, 2026	1,001-5,000	1,171 contacts →
	Exact match “Η Accenture είναι ηγέτιδα εταιρεία παροχής συμβουλευτικών υπηρεσιών σε παγκόσμιο επίπεδο, δημιουργώντας απτή αξία με ταχύτητα και σε μεγάλη κλίμακα.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
3	Real Consulting	Exact match	Chalandri, GreeceHQ recorded Sep 23, 2026	501-1,000	285 contacts →
	Exact match “Real Consulting, is one of the leading consulting and implementation of integrated IT projects companies in Greece.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
4	Priority	Exact match	Lykovrissi, GreeceHQ recorded Sep 23, 2026	51-200	113 contacts →
	Exact match “Founded in 1995, PRIORITY SA has become a leading consulting firm in Greece, specializing in Management, IT and Training.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
5	ASD Account Financial Advisor SA	Exact match	Peristéra, GreeceHQ recorded Sep 23, 2026	201-500	69 contacts →
	Exact match “Our company began as an accounting office established in 1991.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
6	Noisis Development Consultant S.A	Exact match	Athens, GreeceHQ recorded Sep 23, 2026	51-200	65 contacts →
	Exact match “NOISIS S.A.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
7	Nepa Economic Consulting S.A	Exact match	Athens, GreeceHQ recorded Sep 23, 2026	51-200	39 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 23, 2026 · View company records in RevenueBase
8	Epidosis	Exact match	Thessaloniki, GreeceHQ recorded Sep 23, 2026	11-50	34 contacts →
	Exact match “Η εταιρεία EPIDOSIS Σύμβουλοι Ανάπτυξης Επιχειρήσεων, φέρνει την επανάσταση στην συμβουλευτική και φιλοδοξεί να στηρίξει την επιχειρηματικότητα, προσφέροντας πρακτικές και άμεσες…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
9	Exergia S.A., Climate Change Consultants	Exact match	Athens, GreeceHQ recorded Sep 23, 2026	11-50	30 contacts →
	Exact match “EXERGIA is an independent firm of consultants operating internationally and providing specialized advice, expertise and technical consultancy on the sectors of Energy, Environment…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
10	Atlas Consulting	Exact match	Pylaia, GreeceHQ recorded Sep 23, 2026	11-50	30 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 23, 2026 · View company records in RevenueBase
11	DNG Consulting SA	Exact match	Athens, GreeceHQ recorded Sep 23, 2026	11-50	29 contacts →
	Exact match “Our team is aiming to find the most suitable funding project for your company and to provide consulting services.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
12	TGS Hellas	Exact match	Maroussi, GreeceHQ recorded Sep 23, 2026	11-50	29 contacts →
	Exact match “tgs (Hellas) is the brand under which experienced professionals collaborate to provide integrated business services, audit, consulting, financial advisory, tax, compliance, legal…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
13	PRC Group The Management House S.A	Exact match	Metamorfosi, GreeceHQ recorded Sep 23, 2026	51-200	28 contacts →
	Exact match “Leading provider of integrated professional services to business, goverment and institutional clients.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
14	Your Confidence S.A	Exact match	Athens - Kifisia, GreeceHQ recorded Sep 23, 2026	51-200	27 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
15	Break Even Consulting	Exact match	GreeceHQ recorded Sep 23, 2026	11-50	27 contacts →
	Exact match “Η εταιρεία Break Even Consulting ειδικεύεται στην παροχή συμβουλευτικών και μελετητικών υπηρεσιών υψηλής ποιότητας σε επιχειρήσεις, οργανισμούς και σε φορείς του δημοσίου και…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
16	Kleopas Alliott Business Consultants SA	Exact match	Athens, GreeceHQ recorded Sep 23, 2026	11-50	25 contacts →
	Exact match “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…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
17	ATC Certified Public Accountants	Exact match	GreeceHQ recorded Sep 23, 2026	11-50	25 contacts →
	Exact match “atc providing Audit, Tax and Advisory services.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
18	European Profiles Greece	Exact match	Chalandri, GreeceHQ recorded Sep 23, 2026	11-50	24 contacts →
	Exact match “European Profiles S.A.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
19	Zephyros Partners	Exact match	Paradeisos Amarousiou, GreeceHQ recorded Sep 23, 2026	11-50	22 contacts →
	Exact match “We provide assurance, advisory and consulting services in a broad range of business sectors.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
20	Interlog SA	Exact match	Athens, GreeceHQ recorded Sep 23, 2026	11-50	21 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 · Sep 23, 2026 · View company records in RevenueBase
21	Define Solutions S.A	Exact match	Athens, GreeceHQ recorded Sep 23, 2026	11-50	19 contacts →
	Exact match “At Define Solutions, we put your business needs and goals first, in order to deliver tailored solutions that drive growth and streamline operations.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
22	Prooptiki SA	Exact match	Athens, GreeceHQ recorded Sep 23, 2026	11-50	18 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 · Sep 23, 2026 · View company records in RevenueBase
23	Dextera Consulting	Exact match	Marousi, GreeceHQ recorded Sep 23, 2026	11-50	18 contacts →
	Exact match “Dextera is an independent consulting firm, specialized in crafting solutions to the complex business and strategic challenges of our clients.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
24	Oecon Group Of Companies	Exact match	Thessaloniki, GreeceHQ recorded Sep 23, 2026	11-50	17 contacts →
	Exact match “OECON Group, a Greek-based consultancy company, has been providing exceptional business consulting services since 2003.” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase
25	Remaco S.A	Exact match	Marousi, GreeceHQ recorded Sep 23, 2026	11-50	16 contacts →
	Exact match “REMACO S.A, a founding member of the Hellenic Association of Management Consulting Firms (SESMA), is offering governance and innovation services, responsibly and consistently…” Recorded in the RevenueBase company graph · Sep 23, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “advisory consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 443 advisory consulting firms based in Greece

See the full list, filter by size, metro and specialty, and access 1,635 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Advisory consulting firms based in Greece at a glance

As of Sep 23, 2026

30.2%Verified-email coverage

1.9%Mobile-number coverage

12.2Average contacts per company

1-10Median size (employees)

30.5%Largest-city concentration · Athens

Sep 23, 2026Page data refreshed

Companies by employee count

1-10

280

11-50

144

51-200

201-500

501-1,000

1,001-5,000

Freshness & accuracy

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

Email last verified

Median 26.0d

1,1840–30

42731–60

1661–90

090–180

8180+

Company record updated

Median 68.0d

00–30

1,92731–60

2,22161–90

1,00490–180

268180+

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 “advisory consulting 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 1,635 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 23, 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.

Advisory consulting firms by metro

Advisory consulting firms in Athens135

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

How many advisory consulting firms are there based in Greece?

RevenueBase identified 443 company matches for advisory consulting 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?

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 advisory consulting firms?

Athens leads with 135 company records, followed by Thessaloniki (18) and Marousi (9).

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 1,635 professional contacts with verified work emails tracked across these 443 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 23, 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.