Company lists · Data verified August 2026

Top 24 Energy efficiency consulting firms based in Finland

Name: Energy efficiency consulting firms based in Finland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 44 companies tracked

There are 44 energy efficiency consulting firms headquartered in Finland (RevenueBase, August 2026). RevenueBase tracks 253 professional contacts across them, including 144 with verified work emails and 13 with mobile numbers. Helsinki is the largest hub.

This list covers energy efficiency consulting firms headquartered in Finland, 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.

44Companies

253Contacts tracked

144Verified emails

13Mobile numbers

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The 24 largest energy efficiency consulting firms based in Finland

Ranked by team size

Top 24 of 44 energy efficiency consulting firms based in Finland, 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	ENERZ	Tampere	51-200	42	23
2	Leasegreen	Tampere	11-50	34	27
3	Planora OY	Porvoo	11-50	20	14
4	Finess Energy OY	Turku	11-50	13	8
5	Talotohtori 2.0 Enermix OY	Tampere	11-50	13	4
6	Nolla E	Turku	11-50	12	8
7	Renea OY	Vantaa	1-10	10	8
8	Planius	Helsinki	11-50	9	6
9	Novox OY	Espoo	1-10	8	7
10	Insinööritoimisto Vesitaito OY	Tampere	11-50	8	6
11	Ewatt Smart Power Systems OY	Jyvaskyla	1-10	8	5
12	Buildwise Group OY	Tampere	1-10	7	6
13	Ekanalys AB	Helsinki	1-10	6	4
14	Termode OY	Oulu	1-10	5	5
15	Suomen Energiainsinöörit OY	Helsinki	1-10	4	3
16	Ractor	Nurmijarvi	1-10	4	1
17	Energy Plus Engineering OY	Lappeenranta	1-10	3	2
18	Karibu OY	Jyvaskyla	11-50	3	1
19	E-Konsultit	Helsinki	1-10	2	1
20	EKA Finland	Helsinki	1-10	2	1
21	Energion	Helsinki	51-200	1	1
22	Enerwise OY	Mikkeli	1-10	1	1
23	EVATE	Kokkola	1-10	1	1
24	Aurinkokuningas	Lohja	1-10	1	1

Showing 24 of 44 energy efficiency consulting firms based in Finland

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Energy efficiency consulting firms based in Finland at a glance

As of Aug 28, 2026

1-10Median size (employees)

HelsinkiLargest hub · 12 HQs

13Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Energy efficiency consulting firms by metro

Metro	Companies
Energy efficiency consulting firms in Helsinki	12
Energy efficiency consulting firms in Tampere	6
Energy efficiency consulting firms in Espoo	3
Energy efficiency consulting firms in Jyvaskyla	3
Energy efficiency consulting firms in Turku	2
Energy efficiency consulting firms in Vantaa	2
Energy efficiency consulting firms in Kuopio	2
Energy efficiency consulting firms in Kangasala	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 “energy efficiency consulting firms”, with match quality audited by blind human judging, and headquartered in Finland.
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 efficiency consulting firms are there based in Finland?

There are 44 energy efficiency consulting firms headquartered in Finland as of August 2026 (RevenueBase).

What is the largest company on this list?

ENERZ, headquartered in Tampere, tops this list with the largest team on record.

Which city has the most energy efficiency consulting firms?

Helsinki leads with 12 headquartered companies, followed by Tampere (6) and Espoo (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 144 verified decision-maker contacts tracked across these 44 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.