Company lists · Data refreshed September 2026

Top 25 Client success consulting firms based in Greece

RevenueBase identified 113 company matches for client success consulting firms associated with Greece as of September 2026 and tracks 603 professional contacts across them, including 140 with verified work emails. Athens is the largest hub.

This list covers company matches for client success 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 27, 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 27, 2026 How this list was built
113Companies
603Contacts tracked
140Verified emails
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The 25 largest client success consulting firms based in Greece

Ranked by team size
Top 25 of 113 company matches for client success consulting firms based in Greece, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchLykovrissi, GreeceHQ recorded Sep 27, 202651-200113 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 27, 2026 · View company records in RevenueBase
2Exact matchMetamorfosi, GreeceHQ recorded Sep 27, 202651-20028 contacts →

Exact match

“Leading provider of integrated professional services to business, goverment and institutional clients.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchAthens - Kifisia, GreeceHQ recorded Sep 27, 202651-20027 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchAthens, GreeceHQ recorded Sep 27, 20261-1012 contacts →

Exact match

“The Zisimatos Management was established in 2006 in order to contribute to the effectiveness of management by providing integrated/inter-operational and training services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchHalandri, GreeceHQ recorded Sep 27, 202611-5011 contacts →

Exact match

“At Achieve Performance, we can help you maximize the productivity of your human resources.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchMarousi, GreeceHQ recorded Sep 27, 202611-509 contacts →

Exact match

“ABOUT US We are a Solution-driven Ecosystem delivering Transformational Growth Business Interventions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchΜαρούσι, GreeceHQ recorded Sep 27, 20261-109 contacts →

Exact match

“H HBI ως εταιρεία παροχής υπηρεσιών αποτελεί υπόδειγμα στο χώρο της συμβουλευτικής συνδυάζοντας απόλυτα τα οφέλη μιας μικρομεσαίας επιχείρησης με την πολυετή εμπειρία που…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchMarousi, GreeceHQ recorded Sep 27, 20261-106 contacts →

Exact match

“Founded in 2006, by Vassilis Antonas, Impact is the longest standing Greek firm, specialising in Coaching.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchThessaloniki, GreeceHQ recorded Sep 27, 20261-106 contacts →

Exact match

“Σύμβουλοι Επιχειρήσεων”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchAthens / Agia Paraskevi, GreeceHQ recorded Sep 27, 202611-506 contacts →

Exact match

“Η εταιρεία ΑΜΤ (Σύμβουλοι Επιχειρήσεων) δραστηριοποιείται στους τομείς: α) του Business Consulting (Συμβούλευση Επιχειρήσεων) β) του Personal Coaching (Προσωπική Συμβούλευση) γ)…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchAthens, GreeceHQ recorded Sep 27, 202611-505 contacts →

Exact match

“Excaliber is driven by passion for professionalism, highest quality and results.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchAthens, GreeceHQ recorded Sep 27, 202611-505 contacts →

Exact match

“We are a multinational consulting services company operating worldwide.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchKallithea - Athens, GreeceHQ recorded Sep 27, 202611-505 contacts →

Exact match

“MENTORING S.A.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchAthens, GreeceHQ recorded Sep 27, 20261-104 contacts →

Exact match

“STOCHASIS Management Consultancy S.A.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchMaroussi, GreeceHQ recorded Sep 27, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchAthens, GreeceHQ recorded Sep 27, 20261-103 contacts →

Exact match

“ALTIUS specialises in providing consulting services adapted to the particular, unique needs of each customer.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchKholargós, GreeceHQ recorded Sep 27, 202611-503 contacts →

Exact match

“Η HFT Consultants έχει ως αντικείμενο δραστηριότητας την παροχή εξειδικευμένων συμβουλευτικών υπηρεσιών σε ιδιώτες, επιχειρήσεις και οργανισμούς.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchAthens, GreeceHQ recorded Sep 27, 20261-103 contacts →

Exact match

“From Strategy to Execution: Get a service plan tailor-made for your business needs.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchKifisiá, GreeceHQ recorded Sep 27, 20261-102 contacts →

Exact match

“NextInSales® is the Sales Strategy and Implementation consultancy founded by Manolis Lekkas, a C- suite executive, with 30+ years of hands-on sales management experience in…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchΝεα Ιωνια Αττικης, GreeceHQ recorded Sep 27, 20261-102 contacts →

Exact match

“Οικονομικοί Σύμβουλοι Επιχειρήσεων”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchChania, GreeceHQ recorded Sep 27, 20261-102 contacts →

Exact match

“The Company was founded in 2013 with the aim of providing specialized services to businesses and organizations in the Private and Public Sector.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchKalithea, GreeceHQ recorded Sep 27, 20261-102 contacts →

Exact match

“Precognize is a consulting firm located in Athens.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchAthens, GreeceHQ recorded Sep 27, 20261-101 contacts →

Exact match

“Skills Business Consultants are highly endorsed professionals bringing in a diverse field of expertise from a variety of multinational companies and complex industries.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchΑμυνταιο, GreeceHQ recorded Sep 27, 20261-101 contacts →

Exact match

“Με όπλα τη Γνώση, την Εμπειρία και την Καινοτομία η Opus Δυτικής Μακεδονίας ξεχωρίζει στον κλάδο των συμβουλευτικών επιχειρήσεων.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchKropia, GreeceHQ recorded Sep 27, 20261-101 contacts →

Exact match

“SAMAKOVLIS MANAGEMENT PC was founded after 17 years as a key factor in management consulting services.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 113 client success consulting firms based in Greece

See the full list, filter by size, metro and specialty, and access 140 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Client success consulting firms based in Greece at a glance

As of Sep 27, 2026
23.2%Verified-email coverage
5.3Average contacts per company
1-10Median size (employees)
33.6%Largest-city concentration · Athens
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
87
11-50
22
51-200
4

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 113 companies.

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 “client success 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 140 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 27, 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.

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

How many client success consulting firms are there based in Greece?

RevenueBase identified 113 company matches for client success 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?

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

Which city has the most client success consulting firms?

Athens leads with 38 company records, followed by Attica (1) and Chania (1).

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 140 professional contacts with verified work emails tracked across these 113 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 27, 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.