Company lists · Data refreshed September 2026

Top 19 Nonprofit operations consulting firms based in Greece

RevenueBase identified 57 nonprofit operations consulting firms headquartered in Greece as of September 2026 and tracks 275 professional contacts across them, including 70 with verified work emails. Athens is the largest hub.

This list covers nonprofit operations consulting 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 29, 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 29, 2026 86% judged on-target in blind review
57Companies
275Contacts tracked
70Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 19 largest nonprofit operations consulting firms based in Greece

Ranked by team size
Top 19 of 57 nonprofit operations consulting firms based in Greece, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit operations consulting 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 evidenceGreeceHQ checked Sep 29, 202611-5027 contacts →

Partial evidence

“Η εταιρεία Break Even Consulting ειδικεύεται στην παροχή συμβουλευτικών και μελετητικών υπηρεσιών υψηλής ποιότητας σε επιχειρήσεις, οργανισμούς και σε φορείς του δημοσίου και…”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceThessaloniki, GreeceHQ checked Sep 29, 202611-5016 contacts →

Indirect evidence

“Η BLUE VALUE είναι μία σύγχρονη εταιρεία παροχής συμβουλευτικών υπηρεσιών, υπηρεσιών υποστήριξης και λειτουργίας φορέων και υπηρεσιών εκπαίδευσης.”

Source: RevenueBase Database · checked Sep 29, 2026
3Partial evidenceAthens, GreeceHQ checked Sep 29, 20261-1012 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceNéa Filadhélfia, GreeceHQ checked Sep 29, 202611-5012 contacts →

Indirect evidence

“Η BUSINESS CONCEPT A.E.”

Source: RevenueBase Database · checked Sep 29, 2026
5Partial evidenceAthens, GreeceHQ checked Sep 29, 20261-1010 contacts →

Partial evidence

“The Sympraxis Team of experts provides strategic consulting, fundraising, and project management services.”

Source: RevenueBase Database · checked Sep 29, 2026
6Partial evidenceIraklion, GreeceHQ checked Sep 29, 202611-5010 contacts →

Partial evidence

“Over the past 20 years, MDC Stiakakis’ people solve the toughest problems on behalf of their clients by providing high quality consulting, tax and financial services.”

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceΜαρούσι, GreeceHQ checked Sep 29, 20261-109 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceAthens, GreeceHQ checked Sep 29, 202611-506 contacts →

Indirect evidence

“BPM S.A.”

Source: RevenueBase Database · checked Sep 29, 2026
9Indirect evidenceThessaloniki, GreeceHQ checked Sep 29, 20261-106 contacts →

Indirect evidence

“Σύμβουλοι Επιχειρήσεων”

Source: RevenueBase Database · checked Sep 29, 2026
10Indirect evidenceChalandri, GreeceHQ checked Sep 29, 202611-505 contacts →

Indirect evidence

“ProVisions P.C.”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceMelíssia, GreeceHQ checked Sep 29, 20261-104 contacts →

Indirect evidence

“Delta Finance Financial and Strategic Business Consultants.”

Source: RevenueBase Database · checked Sep 29, 2026
12Indirect evidenceAthens, GreeceHQ checked Sep 29, 20261-104 contacts →

Indirect evidence

“STOCHASIS Management Consultancy S.A.”

Source: RevenueBase Database · checked Sep 29, 2026
13Partial evidenceAthens, GreeceHQ checked Sep 29, 20261-103 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceThessaloniki, GreeceHQ checked Sep 29, 20261-103 contacts →

Indirect evidence

“The company providesTax and Accounting servicesand integrated solutionsConsulting Services.”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceAthens, GreeceHQ checked Sep 29, 20261-102 contacts →

Indirect evidence

“Καινοτόμες Συμβουλευτικές υπηρεσίες ανάπτυξης των επιχειρησιακών πόρων για αποτελεσματικότητα και ανταγωνιστικότητα”

Source: RevenueBase Database · checked Sep 29, 2026
16Indirect evidenceΝεα Ιωνια Αττικης, GreeceHQ checked Sep 29, 20261-102 contacts →

Indirect evidence

“Οικονομικοί Σύμβουλοι Επιχειρήσεων”

Source: RevenueBase Database · checked Sep 29, 2026
17Indirect evidenceChania, GreeceHQ checked Sep 29, 20261-102 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
18Partial evidenceAthens, GreeceHQ checked Sep 29, 20261-101 contacts →

Partial evidence

“NM Consulting is a social impact consulting firm working with leading foundations, corporations, and NGOs to design and implement high-impact initiatives through strategy…”

Source: RevenueBase Database · checked Sep 29, 2026
19Partial evidenceKropia, GreeceHQ checked Sep 29, 20261-101 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 29, 2026

Showing 19 of 57 nonprofit operations consulting firms based in Greece

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 70 reachable decision-makers.

Free signup · no credit card

View the full list →

Nonprofit operations consulting firms based in Greece at a glance

As of Sep 29, 2026
25.5%Verified-email coverage
4.8Average contacts per company
1-10Median size (employees)
28.1%Largest-city concentration · Athens
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
46
11-50
10
51-200
1

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 57 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 nonprofit operations consulting 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 “nonprofit operations consulting 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 nonprofit operations consulting 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 nonprofit operations consulting 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, 70 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 29, 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 nonprofit operations consulting 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 nonprofit operations consulting firms are there based in Greece?

RevenueBase identified 57 nonprofit operations consulting 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?

Break Even Consulting, headquartered in Greece, tops this list with the largest team on record.

Which city has the most nonprofit operations consulting firms?

Athens leads with 16 headquartered companies, followed by Thessaloniki (3) and Maroussi (2).

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 70 verified decision-maker contacts tracked across these 57 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 29, 2026.

Ready to reach these companies? Verified emails and direct dials for all 57 nonprofit operations consulting firms based in Greece. Start with a free account, no credit card.

Download this list →

Related lists

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.