Company lists · Data verified August 2026

Top 25 Esg consulting firms based in Greece

Name: Esg 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 esg consulting firms headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 633 professional contacts across them, including 204 with verified work emails and 9 with mobile numbers. Athens is the largest hub.

This list covers esg 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

633Contacts tracked

204Verified emails

9Mobile numbers

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The 25 largest esg consulting firms based in Greece

Ranked by team size

Top 25 of 99 esg 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	Sustchem S.A	n/a	11-50	51	40
2	Mibs Group	Athens	11-50	46	23
3	Enveco S.A	n/a	11-50	38	12
4	Envirometrics	n/a	11-50	34	24
5	Management Force Group	Athens	51-200	32	1
6	Exergia S.A., Climate Change Consultants	n/a	11-50	28	17
7	Resnovae Consultants	n/a	11-50	19	5
8	Terra Neutral PC	n/a	11-50	15	11
9	Entec Green Economy Consultants GR	n/a	11-50	14	10
10	Argo Audit LTD	n/a	11-50	13	4
11	Sympraxis Team	Athens	1-10	10	8
12	Ecostart SA	Athens	1-10	10	2
13	Innoveco Consulting Services	n/a	11-50	9	5
14	HBI	Marousi	1-10	9	2
15	Ippc SA	n/a	1-10	8	5
16	Echmes LTD	Athens	11-50	7	3
17	NET Zero Analytics	n/a	11-50	6	3
18	Sirmet S.A	n/a	11-50	6	2
19	Enydron	Athens	1-10	5	5
20	Green & Digital	Glyfada	1-10	4	2
21	Q4u	n/a	1-10	3	3
22	Tri.Syn.C	n/a	1-10	3	2
23	Auditing & Management	Athens	1-10	2	1
24	Precognize	n/a	1-10	2	1
25	Biosymo Building Sustainability Consulting And Project Management	n/a	1-10	2	1

Showing 25 of 99 esg consulting firms based in Greece

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Esg consulting firms based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 33 HQs

9Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Esg consulting firms by metro

Metro	Companies
Esg consulting firms in Athens	33
Esg consulting firms in Thessaloniki	3
Esg consulting firms in Marousi	2
Esg consulting firms in Salonica	1
Esg consulting firms in Palaio Faliro	1
Esg consulting firms in Attica	1
Esg 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 “esg 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 esg consulting firms are there based in Greece?

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

What is the largest company on this list?

Sustchem S.A, headquartered in Greece, tops this list with the largest team on record.

Which city has the most esg consulting firms?

Athens leads with 33 headquartered companies, followed by Thessaloniki (3) and Marousi (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 204 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.