Company lists · Data refreshed September 2026

Top 25 Iso audit consulting firms based in Greece

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

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 94 companies tracked

RevenueBase identified 94 iso audit consulting firms headquartered in Greece as of September 2026 and tracks 679 professional contacts across them, including 224 with verified work emails. Athens is the largest hub.

This list covers iso audit 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 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

94Companies

679Contacts tracked

224Verified emails

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The 25 largest iso audit consulting firms based in Greece

Ranked by team size

Top 25 of 94 iso audit consulting firms based in Greece, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to iso audit 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Eurocert	Partial evidence	Athens, GreeceHQ checked Sep 28, 2026	201-500	102 contacts →
	Partial evidence “EUROCERT European Inspection and Certification Company, acts as a third party inspection, audit and certification body.” Source: RevenueBase Database · checked Sep 28, 2026
2	Samaras & Associates LTD	Indirect evidence	GreeceHQ checked Sep 28, 2026	51-200	80 contacts →
	Indirect evidence “Η ΣΑΜΑΡΑΣ & ΣΥΝΕΡΓΑΤΕΣ Ε.Π.Ε.” Source: RevenueBase Database · checked Sep 28, 2026
3	Ebetam A.E. - Mirtec S.A	Indirect evidence	Volos, GreeceHQ checked Sep 28, 2026	51-200	42 contacts →
	Indirect evidence “The Association of Industrial Research, Technological Development & Laboratory Testing, Certification and Quality, MIRTEC S.A.(EBETAM SA), is the Greek multidisciplinary -…” Source: RevenueBase Database · checked Sep 28, 2026
4	Ergocert Hellas	Indirect evidence	Thessaloniki, GreeceHQ checked Sep 28, 2026	11-50	35 contacts →
	Indirect evidence “Η ERGOCERT HELLAS A.E.” Source: RevenueBase Database · checked Sep 28, 2026
5	NBIS	Partial evidence	Gerakas, GreeceHQ checked Sep 28, 2026	11-50	19 contacts →
	Partial evidence “Certification of Management Systems - ISO 9001 / ISO / ISO 45001 / ISO 14001 / ISO 27001 / ISO 22301 / ELOT 1429 • Ranking Inspections of Hotels and Rental Rooms & Apartments in…” Source: RevenueBase Database · checked Sep 28, 2026
6	Nexia Eurostatus SA	Indirect evidence	Athens, GreeceHQ checked Sep 28, 2026	11-50	16 contacts →
	Indirect evidence “NEXIA EUROSTATUS CERTIFIED AUDITORS S.A, was established in by a team of experienced and qualified professionals, members of the Greek Institute of Certified Public Accountants of…” Source: RevenueBase Database · checked Sep 28, 2026
7	EQS Thalis P.C	Indirect evidence	Agia Paraskevi, GreeceHQ checked Sep 28, 2026	11-50	14 contacts →
	Indirect evidence “Thalis P.C.” Source: RevenueBase Database · checked Sep 28, 2026
8	Argo Audit LTD	Partial evidence	GreeceHQ checked Sep 28, 2026	11-50	12 contacts →
	Partial evidence “ARGO AUDIT is an auditing, tax and accounting firm, member of S.O.E.L.(The Institute of Certified Public Accountants of Greece) with its structures to meet the high demands of a…” Source: RevenueBase Database · checked Sep 28, 2026
9	Labor S.A	Indirect evidence	Pallíni, GreeceHQ checked Sep 28, 2026	11-50	12 contacts →
	Indirect evidence “LABOR S.A.(LABOR) is a leading European testing, inspection, and certification body that helps manufacturers ensure that their products meet the most demanding safety…” Source: RevenueBase Database · checked Sep 28, 2026
10	Vexillum Security Services	Partial evidence	Piraeus, GreeceHQ checked Sep 28, 2026	11-50	11 contacts →
	Partial evidence “Vexillum Security was established to provide consulting services in the field of security in companies, organizations and individuals.” Source: RevenueBase Database · checked Sep 28, 2026
11	Olympia Certified And Registered Auditors S.A	Indirect evidence	Athens, GreeceHQ checked Sep 28, 2026	11-50	10 contacts →
	Indirect evidence “OLYMPIA AUDITORS S.A.” Source: RevenueBase Database · checked Sep 28, 2026
12	DFK PD Audit SA	Partial evidence	Kifisia, GreeceHQ checked Sep 28, 2026	11-50	10 contacts →
	Partial evidence “DFK PD AUDIT S.A.” Source: RevenueBase Database · checked Sep 28, 2026
13	Aristi Consulting	Partial evidence	Glyfada, GreeceHQ checked Sep 28, 2026	11-50	10 contacts →
	Partial evidence “Aristi Consultants is a company providing Consulting Quality Services with the main object of activity being the Design and Installation of Management Systems Aristi Consultants…” Source: RevenueBase Database · checked Sep 28, 2026
14	Sigma Business Network	Partial evidence	Agios Stefanos, GreeceHQ checked Sep 28, 2026	1-10	10 contacts →
	Partial evidence “Sigma Business Network provides its customers with high-level, fully customized Consulting Services and Integrated Programs to assist them in the critical areas of- Risk &…” Source: RevenueBase Database · checked Sep 28, 2026
15	Ecostart SA	Indirect evidence	Athens, GreeceHQ checked Sep 28, 2026	1-10	10 contacts →
	Indirect evidence “Ecostart S.A, headquartered in Athens, Greece, is a trusted partner for organizations navigating today’s complex sustainability, compliance, and operational challenges.” Source: RevenueBase Database · checked Sep 28, 2026
16	EQA Hellas	Indirect evidence	Khalándrion, GreeceHQ checked Sep 28, 2026	51-200	10 contacts →
	Indirect evidence “H EQA Hellas είναι ένας ανεξάρτητος Φορέας Πιστοποίησης (Independent Certification Body) που δραστηριοποιείται στον κλάδο των επιθεωρήσεων, αξιολόγησης της συμμόρφωσης και…” Source: RevenueBase Database · checked Sep 28, 2026
17	EF Audit Certified Auditors & Business Consultants A.E	Partial evidence	Elliniko - Argyroupoli, GreeceHQ checked Sep 28, 2026	11-50	9 contacts →
	Partial evidence “Ef Audit A.E.” Source: RevenueBase Database · checked Sep 28, 2026
18	HBI	Indirect evidence	Μαρούσι, GreeceHQ checked Sep 28, 2026	1-10	9 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 28, 2026
19	Process Engineering Greece	Indirect evidence	Chalandri Athens, GreeceHQ checked Sep 28, 2026	11-50	8 contacts →
	Indirect evidence “Process Engineering is a consultancy specializing in Occupational Health & Safety, Quality, Environment and Food Safety.” Source: RevenueBase Database · checked Sep 28, 2026
20	Itacc Solutions	Indirect evidence	Khalándrion, GreeceHQ checked Sep 28, 2026	11-50	7 contacts →
	Indirect evidence “ITACC Solutions empowers people and organizations to grow in the digital era in a productive, reliable, and secure way, and maximize their return on investment.” Source: RevenueBase Database · checked Sep 28, 2026
21	Business Elements	Indirect evidence	Athens, GreeceHQ checked Sep 28, 2026	1-10	6 contacts →
	Indirect evidence “Business Elements, founded in 2001, consists of a team of highly experienced engineers, targeted in business improvement through international approved methodologies such as Lean…” Source: RevenueBase Database · checked Sep 28, 2026
22	Qsolutions	Indirect evidence	Cholargos Attiki, GreeceHQ checked Sep 28, 2026	1-10	5 contacts →
	Indirect evidence “H Q solutions αποτελεί μια σύγχρονη εταιρία παροχής συμβουλευτικών υπηρεσιών που δραστηριοποίειται από το 2011 στον τομέα των Συστημάτων Διαχείρισης, της υποστήριξης για…” Source: RevenueBase Database · checked Sep 28, 2026
23	Digivalue	Partial evidence	Glifádha, GreeceHQ checked Sep 28, 2026	11-50	5 contacts →
	Partial evidence “DIGIVALUE offers professional services in the fields of IT Governance, Integrated ISO Management Systems and Custom Software Development and partners with iManage ) and Darktrace…” Source: RevenueBase Database · checked Sep 28, 2026
24	ND Nikolaou & Partners	Partial evidence	Athens, GreeceHQ checked Sep 28, 2026	1-10	5 contacts →
	Partial evidence “ND Nikolaou & Partners was founded in 2009, in Athens, Greece, with the aim of providing consulting services for quality control of construction materials as well as integrated…” Source: RevenueBase Database · checked Sep 28, 2026
25	CBS	Indirect evidence	Nea Ionia, GreeceHQ checked Sep 28, 2026	1-10	4 contacts →
	Indirect evidence “Here at CBS - Consolidated Business Solutions our highly skilled and experienced staff and colleagues through the use of technology and applying the highest standards of service…” Source: RevenueBase Database · checked Sep 28, 2026

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: iso audit consulting 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 iso audit consulting firms.
Partial evidence: Its own public description names part of iso audit consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name iso audit consulting 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 25 of 94 iso audit consulting firms based in Greece

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Iso audit consulting firms based in Greece at a glance

As of Sep 28, 2026

33.0%Verified-email coverage

7.2Average contacts per company

1-10Median size (employees)

25.5%Largest-city concentration · Athens

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 94 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 iso audit 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 “iso audit 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 iso audit 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 iso audit 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, 224 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 iso audit 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 iso audit consulting firms are there based in Greece?

RevenueBase identified 94 iso audit 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?

Eurocert, headquartered in Thessaloniki, tops this list with the largest team on record.

Which city has the most iso audit consulting firms?

Athens leads with 24 headquartered companies, followed by Thessaloniki (5) and Piraeus (3).

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 224 verified decision-maker contacts tracked across these 94 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.