Company lists · Data verified August 2026

Top 16 Competitive strategy consulting firms based in Greece

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 128 companies tracked

There are 128 competitive strategy consulting firms headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 522 professional contacts across them, including 62 with verified work emails and 18 with mobile numbers. Athens is the largest hub.

This list covers competitive strategy consulting firms headquartered in Greece, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

128Companies

522Contacts tracked

62Verified emails

18Mobile numbers

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The 16 largest competitive strategy consulting firms based in Greece

Ranked by team size

Top 16 of 128 competitive strategy consulting firms based in Greece, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Oecon Group Of Companies	Thessaloniki	11-50	16	8
2	Zisimatos Management	Athens	1-10	12	9
3	MDC Stiakakis	n/a	11-50	10	4
4	DBC Diadikasia	Chalandri	201-500	7	2
5	Trinity Consulting	n/a	1-10	6	2
6	Merit Consulting House PC	n/a	1-10	6	2
7	Provisions IKE	n/a	11-50	5	4
8	Excaliber	Athens	11-50	5	1
9	Delta Finance	n/a	1-10	4	2
10	Εγεσ Business Consultant Company	n/a	1-10	4	2
11	Altius Business Consultants	Athens	1-10	3	3
12	Stochasis Management Consultancy SA	Athens	1-10	3	1
13	Capstone Group	n/a	11-50	2	1
14	The Growth Challenge	n/a	11-50	2	1
15	MCI Consulting	n/a	1-10	2	1
16	Ependysis Business Consultants	Nea Smyrni	1-10	1	1

Showing 16 of 128 competitive strategy consulting firms based in Greece

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Competitive strategy consulting firms based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 50 HQs

18Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

105

11-50

51-200

201-500

Competitive strategy consulting firms by metro

Metro	Companies
Competitive strategy consulting firms in Athens	50
Competitive strategy consulting firms in Thessaloniki	5
Competitive strategy consulting firms in Thermi Thessaloniki	2
Competitive strategy consulting firms in Chalandri	2
Competitive strategy consulting firms in Karakasi	1
Competitive strategy consulting firms in Palaio Faliro	1
Competitive strategy consulting firms in Markopoulou	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “competitive strategy consulting firms”, with match quality audited by blind human judging, and headquartered in Greece.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many competitive strategy consulting firms are there based in Greece?

There are 128 competitive strategy consulting firms headquartered in Greece as of August 2026 (RevenueBase).

What is the largest company on this list?

Oecon Group Of Companies, headquartered in Thessaloniki, tops this list with the largest team on record.

Which city has the most competitive strategy consulting firms?

Athens leads with 50 headquartered companies, followed by Thessaloniki (5) and Thermi Thessaloniki (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 62 verified decision-maker contacts tracked across these 128 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.