Company lists · Data verified August 2026

Top 9 Clean energy consultancy companies based in Slovenia

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

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

There are 28 clean energy consultancy companies headquartered in Slovenia (RevenueBase, August 2026). RevenueBase tracks 238 professional contacts across them, including 128 with verified work emails and 2 with mobile numbers. Ljubljana is the largest hub.

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

28Companies

238Contacts tracked

128Verified emails

2Mobile numbers

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The 9 largest clean energy consultancy companies based in Slovenia

Ranked by team size

Top 9 of 28 clean energy consultancy companies based in Slovenia, 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	Holding Slovenske Elektrarne D.O.O	Ljubljana	201-500	142	104
2	Kolektor Setup	Ljubljana	11-50	20	15
3	JB Energija D.O.O	Jesenice Na Dolenjskem Jesenice Na Dolenjskem	11-50	11	2
4	GEO Energy	Maribor	1-10	6	1
5	ARDE	Menges Ljubljana	1-10	3	1
6	Inovea	Maribor	1-10	3	1
7	Inteleko D.O.O	Ljubljana	1-10	2	2
8	Novergija	Gomilsko	1-10	1	1
9	Elektro Ljubljana OVE	Ljubljana	1-10	1	1

Showing 9 of 28 clean energy consultancy companies based in Slovenia

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Clean energy consultancy companies based in Slovenia at a glance

As of Aug 28, 2026

1-10Median size (employees)

LjubljanaLargest hub · 12 HQs

2Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Clean energy consultancy companies by metro

Metro	Companies
Clean energy consultancy companies in Ljubljana	12
Clean energy consultancy companies in Maribor	3
Clean energy consultancy companies in Skofja Loka	2
Clean energy consultancy companies in Medvode	1
Clean energy consultancy companies in Menges Ljubljana	1
Clean energy consultancy companies in Lenart V Slov. Goricah Lenart	1
Clean energy consultancy companies in Petrovce	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 “clean energy consultancy companies”, with match quality audited by blind human judging, and headquartered in Slovenia.
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 Slovenia?

There are 28 clean energy consultancy companies headquartered in Slovenia as of August 2026 (RevenueBase).

What is the largest company on this list?

Holding Slovenske Elektrarne D.O.O, headquartered in Ljubljana, tops this list with the largest team on record.

Which city has the most clean energy consultancy companies?

Ljubljana leads with 12 headquartered companies, followed by Maribor (3) and Skofja Loka (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 128 verified decision-maker contacts tracked across these 28 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.