Company lists · Data verified August 2026

Top 25 Clean energy consultancy companies based in Romania

Name: Clean energy consultancy companies based in Romania
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 146 companies tracked

There are 146 clean energy consultancy companies headquartered in Romania (RevenueBase, August 2026). RevenueBase tracks 1,635 professional contacts across them, including 343 with verified work emails and 36 with mobile numbers. Bucharest is the largest hub.

This list covers clean energy consultancy companies headquartered in Romania, 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.

146Companies

1,635Contacts tracked

343Verified emails

36Mobile numbers

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The 25 largest clean energy consultancy companies based in Romania

Ranked by team size

Top 25 of 146 clean energy consultancy companies based in Romania, 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	Energobit	Cluj-Napoca	501-1,000	173	2
2	ADREM	Bucharest	1,001-5,000	151	67
3	Simtel	Bucharest Romania	51-200	95	45
4	TPF Inginerie	Bucharest	51-200	79	40
5	Chint Green Energy	Bucharest	5,001-10,000	78	7
6	AJ Brand	Bucharest	501-1,000	53	12
7	Servelect	Cluj-Napoca	11-50	49	26
8	Restart Energy	Timisoara Romania	51-200	49	15
9	FGM Solar	Oradea	201-500	41	14
10	ENSYS	Headquarters	201-500	33	8
11	Volta X Solar Systems	Piatra Neamt	51-200	32	15
12	Energy And Environment Consulting Company	Bucuresti	51-200	26	20
13	Monsson	Constanta	201-500	24	17
14	TDP Partners	Bucharest	11-50	22	1
15	Media Marketing	Tirgu Mures	11-50	12	1
16	Konsent SA	Iasi Iasi	51-200	11	7
17	Termohabitat	Scheia	51-200	11	3
18	Inter Heat SRL	Bucharest	51-200	8	3
19	GIS Energy	Oradea	11-50	8	2
20	Loop Operations	n/a	11-50	8	1
21	Aquarius Grup	Bucharest	11-50	6	1
22	Gentle Electric	Ghercesti	51-200	4	2
23	Societatea Pentru Energie-Generare SI Servicii	Bucharest	11-50	2	2
24	Econous Green Energy	n/a	11-50	2	2
25	Cyeb Energetic Solutions Limited Liability Company	Cluj-Napoca	11-50	2	2

Showing 25 of 146 clean energy consultancy companies based in Romania

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Clean energy consultancy companies based in Romania at a glance

As of Aug 28, 2026

1-10Median size (employees)

BucharestLargest hub · 40 HQs

36Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Clean energy consultancy companies by metro

Metro	Companies
Clean energy consultancy companies in Bucharest	40
Clean energy consultancy companies in Bucuresti	14
Clean energy consultancy companies in Cluj-Napoca	11
Clean energy consultancy companies in Constanta	7
Clean energy consultancy companies in Iasi	4
Clean energy consultancy companies in Arad	3
Clean energy consultancy companies in Galati	3

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 “clean energy consultancy companies”, with match quality audited by blind human judging, and headquartered in Romania.
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 clean energy consultancy companies are there based in Romania?

There are 146 clean energy consultancy companies headquartered in Romania as of August 2026 (RevenueBase).

What is the largest company on this list?

Energobit, headquartered in Cluj-Napoca, tops this list with the largest team on record.

Which city has the most clean energy consultancy companies?

Bucharest leads with 40 headquartered companies, followed by Bucuresti (14) and Cluj-Napoca (11).

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 343 verified decision-maker contacts tracked across these 146 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.