Company lists · Data refreshed September 2026

Top 25 Electrical engineering firms for renewable energy based in Finland

RevenueBase identified 110 electrical engineering firms for renewable energy headquartered in Finland as of September 2026 and tracks 803 professional contacts across them, including 412 with verified work emails. Helsinki is the largest hub.

This list covers electrical engineering firms for renewable energy 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, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review
110Companies
803Contacts tracked
412Verified emails
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The 25 largest electrical engineering firms for renewable energy based in Finland

Ranked by team size
Top 25 of 110 electrical engineering firms for renewable energy based in Finland, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to electrical engineering firms for renewable energy: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceHelsinki, FinlandHQ checked Sep 16, 202651-20062 contacts →

Indirect evidence

“Talokeskus on Suomen vanhin insinööritoimisto, perustettu 1923, ja on yksi Suomen vanhimmista yhä toiminnassa olevista yrityksistä.”

Source: RevenueBase Database · checked Sep 16, 2026
2Indirect evidencePorvoo, FinlandHQ checked Sep 16, 202651-20049 contacts →

Indirect evidence

“Insplan on kumppanisi vihreän siirtymän toteuttamisessa.”

Source: RevenueBase Database · checked Sep 16, 2026
3Indirect evidenceVantaa, FinlandHQ checked Sep 16, 202651-20042 contacts →

Indirect evidence

“Äyräväinen Oy on LVIAE- ja sähkötekniikkaan erikoistunut insinööritoimisto, jonka palveluihin kuuluvat niin projektien suunnittelu, rakennuttaminen, kuin valvontakin.”

Source: RevenueBase Database · checked Sep 16, 2026
4Strong evidenceVaasa, FinlandHQ checked Sep 16, 202651-20037 contacts →

Strong evidence

“NEPower delivers electrification solutions for the industrial, grid and renewable energy sectors.”

Source: RevenueBase Database · checked Sep 16, 2026
5Partial evidencePirkkala, FinlandHQ checked Sep 16, 202611-5034 contacts →

Partial evidence

“Everything you need for utility-scale solar parks and commercial & industrial solar power plants in Finland: financial modelling, industry-leading engineering, construction and…”

Source: RevenueBase Database · checked Sep 16, 2026
6Indirect evidenceEspoo, FinlandHQ checked Sep 16, 202611-5028 contacts →

Indirect evidence

“At 1KOMMA5° Suomi (formerly Solar Age Oy), we believe in making it easy for people to access solar power solutions for their homes, businesses, and farms.”

Source: RevenueBase Database · checked Sep 16, 2026
7Strong evidenceTampere, FinlandHQ checked Sep 16, 20261-1022 contacts →

Strong evidence

“Enico offers wide-ranging production, manufacturing and project services in the field of renewable energy.”

Source: RevenueBase Database · checked Sep 16, 2026
8Strong evidencePori, FinlandHQ checked Sep 16, 202651-20021 contacts →

Strong evidence

“Arenso – Arctic Energy Solutions – provides cutting-edge expertise in sustainable and impactful renewable energy.”

Source: RevenueBase Database · checked Sep 16, 2026
9Indirect evidenceHelsinki, FinlandHQ checked Sep 16, 202611-5020 contacts →

Indirect evidence

“Olemme Suomen johtavia sähkötekniseen suunnitteluun erikoistuneita toimistoja.”

Source: RevenueBase Database · checked Sep 16, 2026
10Partial evidenceOulu, FinlandHQ checked Sep 16, 202611-5020 contacts →

Partial evidence

“Planora Oy was founded in 1987 and currently employs over 30 full-time energy engineers and consultants, environmental engineers, energy system designers, software developers and…”

Source: RevenueBase Database · checked Sep 16, 2026
11Partial evidenceOulu, FinlandHQ checked Sep 16, 202611-5019 contacts →

Partial evidence

“CFE Finland is an independent expert company in energy infrastructure.”

Source: RevenueBase Database · checked Sep 16, 2026
12Indirect evidenceVantaa, FinlandHQ checked Sep 16, 202651-20019 contacts →

Indirect evidence

“Tarjoamme sähköisen talotekniikan palveluja: suunnittelua ja asennusta.”

Source: RevenueBase Database · checked Sep 16, 2026
13Indirect evidenceVantaa, FinlandHQ checked Sep 16, 202611-5019 contacts →

Indirect evidence

“Olemme kotimainen toimija ja kokenut aurinkoenergian asiantuntija.”

Source: RevenueBase Database · checked Sep 16, 2026
14Strong evidenceHelsinki, FinlandHQ checked Sep 16, 202611-5016 contacts →

Strong evidence

“Ampner Oy – Power Engineering & DC Power Solutions for a Renewable Future Ampner is a Finnish technology company specialized in connecting renewable energy, energy storage systems…”

Source: RevenueBase Database · checked Sep 16, 2026
15Partial evidencePori, FinlandHQ checked Sep 16, 202651-20015 contacts →

Partial evidence

“Cleaner energy in capable hands.”

Source: RevenueBase Database · checked Sep 16, 2026
16Indirect evidenceKajaani, FinlandHQ checked Sep 16, 202651-20014 contacts →

Indirect evidence

“Me Paikallis-Sähköllä asennamme, huollamme ja modernisoimme Pohjois-Suomen sähköjä yli 180 ammattilaisen voimin.”

Source: RevenueBase Database · checked Sep 16, 2026
17Indirect evidenceIvalo, FinlandHQ checked Sep 16, 202651-20013 contacts →

Indirect evidence

“Ellappi on sähköurakointiyhtiö, joka palvelee monipuolisesti Pohjois, Keski- ja Itä-Lapissa.”

Source: RevenueBase Database · checked Sep 16, 2026
18Strong evidenceVasa, FinlandHQ checked Sep 16, 202611-5012 contacts →

Strong evidence

“Comsel System is a product design and development company specialized in development and industrialization engineering for the energy sector.”

Source: RevenueBase Database · checked Sep 16, 2026
19Indirect evidenceHyvinkää, FinlandHQ checked Sep 16, 202611-5011 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 16, 2026
20Indirect evidenceEspoo, FinlandHQ checked Sep 16, 20261-108 contacts →

Indirect evidence

“Olemme espoolainen sähkösuunnittelu ja -konsultointitoimisto.”

Source: RevenueBase Database · checked Sep 16, 2026
21Strong evidenceEspoo, FinlandHQ checked Sep 16, 20261-108 contacts →

Strong evidence

“Novox is an engineering consulting company specialiced in clean energy and in energy economics.”

Source: RevenueBase Database · checked Sep 16, 2026
22Partial evidenceHelsinki, FinlandHQ checked Sep 16, 20261-108 contacts →

Partial evidence

“RE-Tech is your dedicated partner in renewable industry.”

Source: RevenueBase Database · checked Sep 16, 2026
23Indirect evidenceHelsinki, FinlandHQ checked Sep 16, 202611-507 contacts →

Indirect evidence

“Insinööritoimisto Stacon Oy (0912501-0) on kasvava sähkötekninen suunnittelu- ja konsultointiyhtiö.”

Source: RevenueBase Database · checked Sep 16, 2026
24Indirect evidenceKouvola, FinlandHQ checked Sep 16, 202611-504 contacts →

Indirect evidence

“Tarjoamme kiinteistöihin sekä teollisuuteen sähkö- ja automaatioalan suunnittelua ja asiantuntijapalveluita.”

Source: RevenueBase Database · checked Sep 16, 2026
25Indirect evidenceHaapajärvi, FinlandHQ checked Sep 16, 20261-104 contacts →

Indirect evidence

“Selkämaan Suunnittelu Oy on sähkösuunnittelutoimisto, joka on perustettu vuonna 1982.”

Source: RevenueBase Database · checked Sep 16, 2026

Showing 25 of 110 electrical engineering firms for renewable energy based in Finland

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Electrical engineering firms for renewable energy based in Finland at a glance

As of Sep 16, 2026
51.3%Verified-email coverage
7.3Average contacts per company
1-10Median size (employees)
15.5%Largest-city concentration · Helsinki
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
75
11-50
22
51-200
10
201-500
1

Email recency for this list is measured worldwide rather than for Finland, so it is reported there. Company counts and contact totals on this page are exact for Finland, over 110 companies.

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 electrical engineering firms for renewable energy, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Finland whose own description of what they do matches “electrical engineering firms for renewable energy”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names electrical engineering firms for renewable energy), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among electrical engineering firms for renewable energy, 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 its RevenueBase Smart Search 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, 412 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 16, 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

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names electrical engineering firms for renewable energy, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many electrical engineering firms for renewable energy are there based in Finland?

RevenueBase identified 110 electrical engineering firms for renewable energy 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?

Suomen Talokeskus OY, headquartered in Helsinki, tops this list with the largest team on record.

Which city has the most electrical engineering firms for renewable energy?

Helsinki leads with 17 headquartered companies, followed by Vantaa (10) and Espoo (7).

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 412 verified decision-maker contacts tracked across these 110 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 16, 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 Smart Search, 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.