Company lists · Data refreshed September 2026

Top 16 Renewable energy investment firms based in Stockholm, Sweden

RevenueBase identified 26 renewable energy investment firms headquartered in Stockholm, Sweden as of September 2026 and tracks 926 professional contacts across them, including 493 with verified work emails and 25 with mobile numbers. Stockholm is the largest hub.

This list covers renewable energy investment firms headquartered in Stockholm, Sweden, 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 13, 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 13, 2026 86% judged on-target in blind review
26Companies
926Contacts tracked
493Verified emails
25Mobile numbers
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The 16 largest renewable energy investment firms based in Stockholm, Sweden

Ranked by team size
Top 16 of 26 renewable energy investment firms based in Stockholm, Sweden, ranked by team size, largest first. Data refreshed Sep 13, 2026. RevenueBase Smart Search rates how each company's information relates to renewable energy investment firms: 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
1Strong evidenceStockholm, SwedenHQ checked Sep 13, 2026201-500501 contacts →

Strong evidence

“OX2 develops, constructs, manages, and owns renewable energy solutions at scale, including onshore wind, offshore wind, solar power, and energy storage.”

Source: RevenueBase Database · checked Sep 13, 2026
2Strong evidenceStockholm, SwedenHQ checked Sep 13, 202611-50142 contacts →

Strong evidence

“Orrön Energy is an independent, publicly listed (Nasdaq Stockholm: “ORRON”) renewable energy company within the Lundin Group of Companies.”

Source: RevenueBase Database · checked Sep 13, 2026
3Indirect evidenceStockholm, SwedenHQ checked Sep 13, 2026501-1,000102 contacts →

Indirect evidence

“Bringing a wind farm to life is a laborious and time-consuming process, involving a great amount of resources.”

Source: RevenueBase Database · checked Sep 13, 2026
4Strong evidenceStockholm, SwedenHQ checked Sep 13, 202651-20027 contacts →

Strong evidence

“Recap is a lean, ambitious, and fast-growing company focused on renewable energy investments, with an established presence in 6 different countries.”

Source: RevenueBase Database · checked Sep 13, 2026
5Partial evidenceStockholm, SwedenHQ checked Sep 13, 20261-1024 contacts →

Partial evidence

“Baseload Capital is a specialized investment entity that funds the deployment of heat power worldwide.”

Source: RevenueBase Database · checked Sep 13, 2026
6Partial evidenceStockholm, SwedenHQ checked Sep 13, 202611-5013 contacts →

Partial evidence

“SolarAdvantage är nordens snabbast växande företag inom den förnybara energisektorn.”

Source: RevenueBase Database · checked Sep 13, 2026
7Partial evidenceStockholm, SwedenHQ checked Sep 13, 202611-5013 contacts →

Partial evidence

“Arka Energy tillhandahåller grön energiteknik till bostäder, kommersiell och statlig verksamhet.”

Source: RevenueBase Database · checked Sep 13, 2026
8Partial evidenceStockholm, SwedenHQ checked Sep 13, 202611-5011 contacts →

Partial evidence

“Altaal is a value driven investment firm acting both as principal investor and asset manager.”

Source: RevenueBase Database · checked Sep 13, 2026
9Indirect evidenceStockholm, SwedenHQ checked Sep 13, 20261-1010 contacts →

Indirect evidence

“HemSol grundades år 2019 i Stockholm med målet att underlätta för svenskar att göra en lönsam investering i egna solceller.”

Source: RevenueBase Database · checked Sep 13, 2026
10Partial evidenceStockholm, SwedenHQ checked Sep 13, 202611-509 contacts →

Partial evidence

“Nordnest provides seamlessly integrated sustainable solutions in: Properties, Data Centres, and Energy Systems.”

Source: RevenueBase Database · checked Sep 13, 2026
11Indirect evidenceStockholm, SwedenHQ checked Sep 13, 20261-105 contacts →

Indirect evidence

“SKALA’s initial focus is wind and solar projects in Sweden, Norway and Finland in all phases of the lifecycle (greenfield, brownfield and operational).”

Source: RevenueBase Database · checked Sep 13, 2026
12Indirect evidenceStockholm, SwedenHQ checked Sep 13, 20261-104 contacts →

Indirect evidence

“AxSol is a part of Axel Johnson, a family business founded in 1873 and is now run by the fourth and fifth generations.”

Source: RevenueBase Database · checked Sep 13, 2026
13Partial evidenceStockholm, SwedenHQ checked Sep 13, 202611-503 contacts →

Partial evidence

“Solenergiprojekt.se, ledande inom förnybar energi, specialiserar sig på skräddarsydda solcellslösningar och energilagring för en rad fastighetstyper.”

Source: RevenueBase Database · checked Sep 13, 2026
14Strong evidenceStockholm, SwedenHQ checked Sep 13, 20261-101 contacts →

Strong evidence

“Proxy P is a Swedish regulated AIFM manager with focus on the renewable energy and energy technology sectors.”

Source: RevenueBase Database · checked Sep 13, 2026
15Indirect evidenceStockholm, SwedenHQ checked Sep 13, 20261-101 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 13, 2026
16Indirect evidenceStockholm, SwedenHQ checked Sep 13, 20261-101 contacts →

Indirect evidence

“Green hydrogen, bioenergy, solar power”

Source: RevenueBase Database · checked Sep 13, 2026

Showing 16 of 26 renewable energy investment firms based in Stockholm, Sweden

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Renewable energy investment firms based in Stockholm, Sweden at a glance

As of Sep 13, 2026
53.2%Verified-email coverage
2.7%Mobile-number coverage
35.6Average contacts per company
1-10Median size (employees)
107.7%Largest-city concentration · Stockholm
Sep 13, 2026Page data refreshed

Companies by employee count

1-10
14
11-50
9
51-200
1
201-500
1
501-1,000
1

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 15.0d

Company record updated

Median 58.0d

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 investment firms, 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 Stockholm, Sweden whose own description of what they do matches “renewable energy investment firms”. 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 renewable energy investment firms), 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 renewable energy investment firms, and records with no verified work email. Companies headquartered outside Stockholm 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, 493 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 13, 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.

Renewable energy investment firms by metro in Sweden

  • Renewable energy investment firms in Stockholm28

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 renewable energy investment firms, 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 renewable energy investment firms are there based in Stockholm, Sweden?

RevenueBase identified 26 renewable energy investment firms headquartered in Stockholm, Sweden 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?

Ox2, headquartered in Stockholm, tops this list with the largest team on record.

Which city has the most renewable energy investment firms?

Stockholm leads with 28 headquartered companies, followed by Malmo (7) and Gothenburg (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 493 verified decision-maker contacts tracked across these 26 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 13, 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.