Company lists · Data verified August 2026

Top 25 Continuous improvement consulting firms based in Greece

Name: Continuous improvement 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 99 companies tracked

There are 99 continuous improvement consulting firms headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 485 professional contacts across them, including 94 with verified work emails and 14 with mobile numbers. Athens is the largest hub.

This list covers continuous improvement 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.

99Companies

485Contacts tracked

94Verified emails

14Mobile numbers

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The 25 largest continuous improvement consulting firms based in Greece

Ranked by team size

Top 25 of 99 continuous improvement 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	Innovation Technology And Management Consultants	Marousi	n/a	81	5
2	Advanced Quality Services ΑΕ AQS	n/a	11-50	20	10
3	Codable	Thessaloniki	11-50	15	7
4	It-Telesis	Athens	11-50	13	6
5	Zisimatos Management	Athens	1-10	12	9
6	Aristi Consulting	n/a	11-50	10	3
7	HBI	Marousi	1-10	9	2
8	Spirit Hellas S.A	Athens	11-50	8	3
9	Seven Sigma Innovation	Athens	1-10	6	6
10	Provisions IKE	n/a	11-50	5	4
11	Qsolutions	n/a	1-10	5	4
12	Krates Consulting	n/a	1-10	5	3
13	Mentoring SA	Athens	11-50	5	1
14	infostep.gr	Athens	1-10	5	1
15	Nestor Consulting S.A	n/a	1-10	4	1
16	Altius Business Consultants	Athens	1-10	3	3
17	Grekos Consulting	n/a	11-50	3	2
18	Target Business Solutions	n/a	1-10	3	1
19	ERGOQ	n/a	1-10	3	1
20	Operation Experts	Athens	11-50	2	2
21	Save2grow	n/a	1-10	2	2
22	Greece Lean SIX Sigma	Thessaloniki	1-10	2	1
23	Grow Coaching Alliance	Athens	1-10	1	1
24	Opus West Macedonia	n/a	1-10	1	1
25	Changeland Consulting	Athens	1-10	1	1

Showing 25 of 99 continuous improvement consulting firms based in Greece

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Continuous improvement consulting firms based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 37 HQs

14Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Continuous improvement consulting firms by metro

Metro	Companies
Continuous improvement consulting firms in Athens	37
Continuous improvement consulting firms in Thessaloniki	3
Continuous improvement consulting firms in Chalandri	3
Continuous improvement consulting firms in Marousi	3
Continuous improvement consulting firms in Hydra	1
Continuous improvement consulting firms in Attica	1
Continuous improvement consulting firms in Thermi Thessaloniki	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 “continuous improvement 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; 1 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 continuous improvement consulting firms are there based in Greece?

There are 99 continuous improvement consulting firms headquartered in Greece as of August 2026 (RevenueBase).

What is the largest company on this list?

Innovation Technology And Management Consultants, headquartered in Marousi, tops this list with the largest team on record.

Which city has the most continuous improvement consulting firms?

Athens leads with 37 headquartered companies, followed by Thessaloniki (3) and Chalandri (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 94 verified decision-maker contacts tracked across these 99 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.