Company lists · Data verified August 2026

Top 25 Energy consulting firms based in Greece

Name: Energy 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 162 companies tracked

There are 162 energy consulting firms headquartered in Greece (RevenueBase, August 2026). RevenueBase tracks 867 professional contacts across them, including 225 with verified work emails and 9 with mobile numbers. Athens is the largest hub.

This list covers energy 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.

162Companies

867Contacts tracked

225Verified emails

9Mobile numbers

Unlock all 162 companies Free account · no credit card · 2 minutes

The 25 largest energy consulting firms based in Greece

Ranked by team size

Top 25 of 162 energy 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	Renel Energy & Power Engineering	Thessaloniki	11-50	48	20
2	MGK Tech	n/a	51-200	38	20
3	Vaasaett	n/a	11-50	37	21
4	Envirometrics	n/a	11-50	34	24
5	Exergia S.A., Climate Change Consultants	n/a	11-50	28	17
6	E3-Modelling Energy-Economy-Environment	Athens	11-50	26	11
7	Terra Neutral PC	n/a	11-50	15	11
8	Entec Green Economy Consultants GR	n/a	11-50	14	10
9	Embiria Consulting Engineers LLC	Athens	11-50	14	8
10	Holistic	n/a	11-50	13	8
11	Intrapower S.A	n/a	51-200	13	4
12	Estia Consulting & Engineering SA	Thermi	11-50	13	3
13	Dektis Consultant Engineers LTD	Athens	11-50	11	5
14	HM Engineering S.A	Athens	11-50	10	2
15	Entricity	n/a	11-50	9	7
16	Innoveco Consulting Services	n/a	11-50	9	5
17	Inovtech	n/a	11-50	9	5
18	FGRID	Athens	11-50	9	4
19	Prenecon	n/a	201-500	9	2
20	Climergia	Athens	11-50	7	3
21	Ergomec	n/a	11-50	7	2
22	Team E-M Consulting Engineers S.A	Athens	11-50	7	1
23	Insta Consultants Engineers	Athens	11-50	6	3
24	Arservices	n/a	11-50	6	2
25	ACA Architects	Kallithea	11-50	6	2

Showing 25 of 162 energy consulting firms based in Greece

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 225 reachable decision-makers.

Free account · no credit card

See all 162 companies

Energy consulting firms based in Greece at a glance

As of Aug 28, 2026

1-10Median size (employees)

AthensLargest hub · 38 HQs

9Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Energy consulting firms by metro

Metro	Companies
Energy consulting firms in Athens	38
Energy consulting firms in Thessaloniki	6
Energy consulting firms in Patras	3
Energy consulting firms in Salonica	3
Energy consulting firms in Trikala	2
Energy consulting firms in Kallithea	2
Energy consulting firms in Corinth	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 “energy 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 energy consulting firms are there based in Greece?

There are 162 energy consulting firms headquartered in Greece as of August 2026 (RevenueBase).

What is the largest company on this list?

Renel Energy & Power Engineering, headquartered in Thessaloniki, tops this list with the largest team on record.

Which city has the most energy consulting firms?

Athens leads with 38 headquartered companies, followed by Thessaloniki (6) and Patras (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 225 verified decision-maker contacts tracked across these 162 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.

Ready to reach these companies? Verified emails and direct dials for all 162 energy consulting firms based in Greece. Start with a free account, no credit card.

Get the full list

Related lists

Energy consulting firms by geography

Browse the directory

Browse: Companies home · All Greece lists · All Energy consulting firms lists · New lists

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.