Company lists · Data verified August 2026

Top 25 Environmental consultancy firms based in Greece

Name: Environmental consultancy firms based in Greece
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 175 companies tracked

There are 175 environmental consultancy firms headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 1,352 professional contacts across them, including 322 with verified work emails and 18 with mobile numbers. Athens is the largest hub.

This list covers environmental consultancy 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.

175Companies

1,352Contacts tracked

322Verified emails

18Mobile numbers

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The 25 largest environmental consultancy firms based in Greece

Ranked by team size

Top 25 of 175 environmental consultancy 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	Gaia SA	n/a	51-200	43	10
3	Enveco S.A	n/a	11-50	38	12
4	Ergoprolipsis	n/a	11-50	35	16
5	Envirometrics	n/a	11-50	34	24
6	Management Force Group	Athens	51-200	32	1
7	Exergia S.A., Climate Change Consultants	n/a	11-50	28	17
8	E3-Modelling Energy-Economy-Environment	Athens	11-50	26	11
9	Resnovae Consultants	n/a	11-50	19	5
10	Epta Environmental Engineers Consultants	n/a	11-50	16	11
11	Terra Neutral PC	n/a	11-50	15	11
12	Entec Green Economy Consultants GR	n/a	11-50	14	10
13	Vm&a S.A	n/a	11-50	14	10
14	Mentor Surveyors	Thermi Thessaloniki	11-50	14	8
15	Envitec SA Technical & Environmental Projects	Athens	51-200	14	7
16	Ambio SA	Athens	11-50	13	3
17	Terra Nova LTD	n/a	11-50	11	6
18	D. Argyropoulos Environmental Consultants SA	n/a	11-50	11	4
19	ICS Solix	Piraeus	11-50	11	3
20	Emvis S.A	n/a	11-50	11	3
21	Advanced Planning-Consulting SA APC S.A	Athens	11-50	10	5
22	HM Engineering S.A	Athens	11-50	10	2
23	Innoveco Consulting Services	n/a	11-50	9	5
24	FGRID	Athens	11-50	9	4
25	GTB Anodos SA	n/a	11-50	8	6

Showing 25 of 175 environmental consultancy firms based in Greece

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Environmental consultancy firms based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 55 HQs

18Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

101

11-50

51-200

Environmental consultancy firms by metro

Metro	Companies
Environmental consultancy firms in Athens	55
Environmental consultancy firms in Thessaloniki	8
Environmental consultancy firms in Attica	2
Environmental consultancy firms in Thermi Thessaloniki	2
Environmental consultancy firms in Nea Ionia	2
Environmental consultancy firms in Greece	2
Environmental consultancy firms in Marousi	2

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 “environmental consultancy 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 environmental consultancy firms are there based in Greece?

There are 175 environmental consultancy 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 environmental consultancy firms?

Athens leads with 55 headquartered companies, followed by Thessaloniki (8) and Attica (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 322 verified decision-maker contacts tracked across these 175 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.