Company lists · Data refreshed September 2026
Top 25 Renewable energy software companies based in Finland
RevenueBase identified 67 renewable energy software companies headquartered in Finland as of September 2026 and tracks 1,555 professional contacts across them, including 749 with verified work emails and 97 with mobile numbers. Helsinki is the largest hub.
This list covers renewable energy software companies headquartered in Finland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest renewable energy software companies based in Finland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 940 | ||||
“Wärtsilä leads the transition towards a 100% renewable energy future.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | IlmatarStrong evidence | 68 | |||
“Ilmatar is a leading Independent Power Producer (IPP) and renewable energy developer in the Nordics.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 48 | ||||
“Korkia is a global investor and developer accelerating the transition to renewable energy.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 36 | ||||
“ABO Energy on menestyksekkäästi kehittänyt, rakentanut ja operoinut uusiutuvaa energiaa jo lähes 30 vuoden ajan ja on yksi Euroopan kokeneimmista alan toimijoista.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 33 | ||||
“Energiequelle on kansainvälinen hankekehittäjä alanaan suunnitella, rakentaa ja hallinnoida tuuli, biokaasu- ja aurinkovoimaloita, sähköasemia sekä energian…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | Myrsky EnergiaPartial evidence | 29 | |||
“Myrsky Energia is a Finnish energy company that works consistently towards a more sustainable future.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 28 | ||||
“Syncron Tech develops and delivers software solutions to boost production in industries and energy sector.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 25 | ||||
“Lemkem is the leading turnkey sustainable energy solutions provider in Finland.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 20 | ||||
“Forus is a novel finance and sales company that develops services to stop climate-change profitably.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 19 | ||||
“Olemme kotimainen toimija ja kokenut aurinkoenergian asiantuntija.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 19 | ||||
“EKOenergy is a global nonprofit ecolabel for energy (renewable electricity, renewable gas, heat and cold).” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | Tuulia Energy OYPartial evidence | 15 | |||
“Cleaner energy in capable hands.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 11 | ||||
“Eolus on yksi pohjoismaiden johtavista uusiutuvan energian hankekehittäjistä.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | TSFIndirect evidence | 10 | |||
“Thermal Storage Finland is a technology company - offering movable modular plug & play hybrid power plants for building heating with alternative funding options #esg…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | VSB Uusiutuva Energia Suomi OYIndirect evidence | 10 | |||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | Nordi OYPartial evidence | 7 | |||
“The demand for clean and sustainable energy is increasing, putting pressure on the energy industry to meet the demand.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 7 | ||||
“Will & Must is a Helsinki-based developer of energy and infrastructure projects, founded in 2022.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | Suomen Lähienergialiitto RYPartial evidence | 7 | |||
“Lähienergialiiton tavoitteena on tehdä uusiutuvan energian hyödyntämisestä ja älykkäästä energian käytöstä suomalaisille mahdollisimman vaivatonta.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | Westwind OYStrong evidence | 6 | |||
“WestWind build up renewable Energy Site Projects.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 | ||||
“Rasol Oy on täysin kotimainen uusiutuvan energian asiantuntija.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | WahlresStrong evidence | 3 | |||
“Wahlres Oy was founded in 2016 and aims to reduce the reliance of Finnish buildings on non-renewable energy sources.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 | ||||
“CORE AREAS OF EXPERTISE: Renewable energy l bioenergy, alternative energy sources l Waste-to-energy, biogas technology and biodiesel technology l Energy efficiency and energy…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 | ||||
“RENEWE - Uusiutuvan energian asiantuntijasi Suomen johtavat aurinkoenergia, lämpöpumppu, lataus- ja jäähdytysjärjestelmät sekä kokonaispalvelut yhdestä osoitteesta, suunnittelusta…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 | ||||
“We are a traditional, but highly dynamic technology company with decades of combined experience in the fields of e.g.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | Salo Automation OYIndirect evidence | 3 | |||
Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 67 renewable energy software companies based in Finland
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Renewable energy software companies based in Finland at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among renewable energy software companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Finland whose own description of what they do matches “renewable energy software companies”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among renewable energy software companies, and records with no verified work email. Companies headquartered outside Finland are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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
- Every listed company carries at least one verified work email, 749 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 5, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
How many renewable energy software companies are there based in Finland?
RevenueBase identified 67 renewable energy software companies headquartered in Finland as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Wärtsilä Energy, headquartered in Helsinki, tops this list with the largest team on record.
Which city has the most renewable energy software companies?
Helsinki leads with 18 headquartered companies, followed by Vantaa (6) and Lahti (5).
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 749 verified decision-maker contacts tracked across these 67 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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