Company lists · Data refreshed September 2026
Top 14 Internal audit consulting companies based in Greece
RevenueBase identified 43 internal audit consulting companies headquartered in Greece as of September 2026 and tracks 330 professional contacts across them, including 76 with verified work emails and 3 with mobile numbers. Athens is the largest hub.
This list covers internal audit consulting companies 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, how directly it supports the match, and when it was last checked. Data refreshed September 4, 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.
The 14 largest internal audit consulting companies based in Greece
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 30 | ||||
“Kreston Greece, formerly known as Hellenic Auditing S.A, is a network of certified auditors accountants, tax, financial and business advisors with significant specialized…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 2 | TGS HellasStrong evidence | 29 | |||
“tgs (Hellas) is the brand under which experienced professionals collaborate to provide integrated business services, audit, consulting, financial advisory, tax, compliance, legal…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 3 | 25 | ||||
“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…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 4 | 16 | ||||
“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: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 5 | 13 | ||||
“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: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 6 | 11 | ||||
“Alpha Auditors" is a fast-growing company specializing in providing audit, consulting and tax services.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 7 | 10 | ||||
“DFK PD AUDIT S.A.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 8 | 9 | ||||
“OLYMPIA AUDITORS S.A.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 9 | 9 | ||||
“CPA Kudos Greece is a Greek-owned audit firm offering a full range of services in the areas of auditing, accounting, taxation, and advisory.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 10 | 9 | ||||
“Ef Audit A.E.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 11 | 6 | ||||
“The name of AMiD states the Mission but also its Vision: To support our customers in making informed and quality decisions through the GRC (Governance-Risk-Compliance-Internal…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 12 | 4 | ||||
“We are a team of professionals with experience in Internal Audit, Corporate Governance, Risk Management, Regulatory Compliance, Business Performance Management, Business…” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 13 | 3 | ||||
“Grekos Consulting is specialized in providing comprehensive consulting services.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
| 14 | 1 | ||||
“Dukes & Morrisons is an Advisory firm that provides auditing, accounting and administrative - organizational services credibly and consistently in Greece.” Source: company website · checked Sep 4, 2026Thanks. The Data Team will review it. | |||||
Showing 14 of 43 internal audit consulting companies based in Greece
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Internal audit consulting companies based in Greece at a glance
As of Sep 4, 2026Companies by employee count
Verified emails by last verification
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 internal audit consulting companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Greece whose own description of what they do matches “internal audit consulting companies”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among internal audit consulting companies, 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 an evidence 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, 76 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 4, 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
How many internal audit consulting companies are there based in Greece?
RevenueBase identified 43 internal audit consulting companies 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?
Kreston Greece S.A, headquartered in Athens, tops this list with the largest team on record.
Which city has the most internal audit consulting companies?
Athens leads with 14 headquartered companies, followed by Thessaloniki (5) and Chalandri (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 76 verified decision-maker contacts tracked across these 43 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 4, 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.
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