Company lists · Data refreshed September 2026

Top 15 Sustainability focused venture capital based in Finland

RevenueBase identified 29 sustainability focused venture capital headquartered in Finland as of September 2026 and tracks 370 professional contacts across them, including 166 with verified work emails and 24 with mobile numbers. Helsinki is the largest hub.

This list covers sustainability focused venture capital 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 6, 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 6, 2026 86% judged on-target in blind review
29Companies
370Contacts tracked
166Verified emails
24Mobile numbers
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The 15 largest sustainability focused venture capital based in Finland

Ranked by team size
Top 15 of 29 sustainability focused venture capital based in Finland, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to sustainability focused venture capital: 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 6, 202651-200102 contacts →

“Finnfund is a Finnish development financier and impact investor.”

Source: company website · checked Sep 6, 2026
2Indirect evidenceHelsinki, FinlandHQ checked Sep 6, 202611-5031 contacts →

“Innovestor is an active Finnish investment manager on a mission to make Good Money.”

Source: company website · checked Sep 6, 2026
3Indirect evidenceHelsinki, FinlandHQ checked Sep 6, 20261-1018 contacts →

“Europe’s largest next generation VC.”

Source: company website · checked Sep 6, 2026
4Indirect evidenceHelsinki, FinlandHQ checked Sep 6, 202611-5013 contacts →

“GreenStream Network Ltd is an investor, investment management and advisory company in the fields of renewable energy, energy efficiency and climate finance, with active operations…”

Source: company website · checked Sep 6, 2026
5Partial evidenceTampere, FinlandHQ checked Sep 6, 20261-1010 contacts →

“We democratise sustainability!”

Source: company website · checked Sep 6, 2026
6Indirect evidenceHelsinki, FinlandHQ checked Sep 6, 20261-107 contacts →

“Will & Must is a Helsinki-based developer of energy and infrastructure projects, founded in 2022.”

Source: company website · checked Sep 6, 2026
7Indirect evidenceHelsinki, FinlandHQ checked Sep 6, 20261-107 contacts →

“At Moxworld, we help grow businesses at the forefront of ecologically and socially conscious technologies.”

Source: company website · checked Sep 6, 2026
8Indirect evidenceHelsinki, FinlandHQ checked Sep 6, 20261-106 contacts →

“Adventurous Ideas is an investment and impact company financing the future, not the transition.”

Source: company website · checked Sep 6, 2026
9Partial evidenceHelsinki, FinlandHQ checked Sep 6, 202651-2005 contacts →

“We are CG Capital Six: The strategic navigator and unifying force for synergistic ecosystems.”

Source: company website · checked Sep 6, 2026
10Strong evidenceKuopio, FinlandHQ checked Sep 6, 20261-103 contacts →

“Nostetta Ventures is a regional venture capital company investing in early-stage growth companies.”

Source: company website · checked Sep 6, 2026
11Strong evidenceEspoo, FinlandHQ checked Sep 6, 20261-102 contacts →

“Grid.vc is an early-stage venture capital company that focuses on new and emerging start-up and growth enterprises working with the energy sector and its customer interfaces.”

Source: company website · checked Sep 6, 2026
12Partial evidenceKalajoki, FinlandHQ checked Sep 6, 202651-2002 contacts →

“Welcome to Andament, where innovation meets sustainability.”

Source: company website · checked Sep 6, 2026
13Indirect evidenceHelsinki, FinlandHQ checked Sep 6, 20261-102 contacts →

“We are a boutique consultancy and advisory company from Helsinki, Finland.”

Source: company website · checked Sep 6, 2026
14Strong evidenceEspoo, FinlandHQ checked Sep 6, 20261-101 contacts →

“iksait Ventures is a forward-thinking venture capital firm dedicated to fostering innovation and sustainability in the world of entrepreneurship.”

Source: company website · checked Sep 6, 2026
15Indirect evidenceOulu, FinlandHQ checked Sep 6, 20261-101 contacts →

“45 Invest Oy on vuonna 2012 perustettu maltillinen sijoitusyhtiö, joka tukee pitkäjänteisesti kumppaniensa vakautta ja kasvua.”

Source: company website · checked Sep 6, 2026

Showing 15 of 29 sustainability focused venture capital based in Finland

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Sustainability focused venture capital based in Finland at a glance

As of Sep 6, 2026
44.9%Verified-email coverage
6.5%Mobile-number coverage
12.8Average contacts per company
1-10Median size (employees)
69.0%Largest-city concentration · Helsinki
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
21
11-50
3
51-200
5

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 sustainability focused venture capital, 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 “sustainability focused venture capital”. 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 sustainability focused venture capital), 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 sustainability focused venture capital, 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, 166 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 6, 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 sustainability focused venture capital, 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 sustainability focused venture capital are there based in Finland?

RevenueBase identified 29 sustainability focused venture capital 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?

Finnfund, headquartered in Helsinki, tops this list with the largest team on record.

Which city has the most sustainability focused venture capital?

Helsinki leads with 20 headquartered companies, followed by Tampere (3) and Espoo (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 166 verified decision-maker contacts tracked across these 29 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 6, 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.