Company lists · Data verified August 2026

Top 25 Ecological consulting firms based in Greece

Name: Ecological 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 85 companies tracked

There are 85 ecological consulting firms headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 640 professional contacts across them, including 217 with verified work emails and 10 with mobile numbers. Athens is the largest hub.

This list covers ecological 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.

85Companies

640Contacts tracked

217Verified emails

10Mobile numbers

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The 25 largest ecological consulting firms based in Greece

Ranked by team size

Top 25 of 85 ecological 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	Enveco S.A	n/a	11-50	38	12
3	Envirometrics	n/a	11-50	34	24
4	Novacert LTD	Imathia	51-200	31	9
5	Exergia S.A., Climate Change Consultants	n/a	11-50	28	17
6	Marnet S.A	n/a	11-50	27	16
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	Oikom LTD	n/a	11-50	13	11
11	Living Prospects LTD	n/a	1-10	11	7
12	Terra Nova LTD	n/a	11-50	11	6
13	D. Argyropoulos Environmental Consultants SA	n/a	11-50	11	4
14	Advanced Planning-Consulting SA APC S.A	Athens	11-50	10	5
15	Innoveco Consulting Services	n/a	11-50	9	5
16	FGRID	Athens	11-50	9	4
17	Ippc SA	n/a	1-10	8	5
18	I.Frantzis And Associates LTD	Athens	11-50	8	2
19	Echmes LTD	Athens	11-50	7	3
20	Nature Conservation Consultants NCC LTD	n/a	11-50	7	2
21	Team E-M Consulting Engineers S.A	Athens	11-50	7	1
22	Sirmet S.A	n/a	11-50	6	2
23	Enydron	Athens	1-10	5	5
24	Green & Digital	Glyfada	1-10	4	2
25	Solidblue Engineering	n/a	1-10	4	2

Showing 25 of 85 ecological consulting firms based in Greece

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Ecological consulting firms based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 24 HQs

10Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Ecological consulting firms by metro

Metro	Companies
Ecological consulting firms in Athens	24
Ecological consulting firms in Thessaloniki	3
Ecological consulting firms in Thermi Thessaloniki	1
Ecological consulting firms in Katerini	1
Ecological consulting firms in Edessa	1
Ecological consulting firms in Kalampaka	1
Ecological consulting firms in Pylaia Chortiatis	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 “ecological 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 ecological consulting firms are there based in Greece?

There are 85 ecological 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 ecological consulting firms?

Athens leads with 24 headquartered companies, followed by Thessaloniki (3) and Thermi Thessaloniki (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 217 verified decision-maker contacts tracked across these 85 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.