Best Environment Companies in Stockholm County, Sweden
The 80 best Environment companies in Stockholm County, Sweden in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Elvy Energy.
Our analysis of 309 Environment companies
$75.8b in tracked funding; 79% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Environment companies in Stockholm County
| # | Company | Disclosed funding | Last round | Employees | Founder | Tech stack | Web popularity | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Ahlberg Cameras Provider of radiation resistant underwater cameras, CCTV, and nuclear LED lighting for security services | — | — | 21 | Johan Backstrom CEO | WordPressMySQLPHP+19 | Top 10M | 5 patents Measuring deformation of nuclear fuel assemblies for reactor safety monitoring. | — |
| 2 | Aligera Independent power producer | — | — | — | Jorgen Bender Founder & CEO | — | — | — | — |
| 3 | Alnarp Cleanwater Developer of bio-based wastewater treatment solution | — | — | — | Susanne Gabrielson CEO & MD | Cart FunctionalityWooCommerceWordPress+23 | Top 5M | 5 patents Plant-based phytoremediation systems for sewage and wastewater treatment | — |
| 4 | Ap7 Provider of state-sponsored default pension fund management. | — | — | 3 | — | WordPressMySQLPHP+23 | Top 1M | — | — |
| 5 | Beccs Provider of carbon dioxide capture and storage services | — | — | — | Anders Egelrud CEO | WordPressMySQLPHP+18 | Top 10M | — | 1 partnership |
| 6 | Berner Industrier Provider of lower emission and working environment services | — | — | — | Caroline Reuterskiold CEO | WordPressMySQLPHP+11 | Top 10M | — | — |
| 7 | BIG BAG Provider of waste management services | — | — | 35 | — | DrupalPHPVimeo+13 | Top 5M | — | — |
| 8 | Bioteria Developer of wastewater treatment plants and biosystems | — | — | 48 | Niklas Axelsson CEO & President | WordPress Block EditorWordPressMySQL+32 | Top 10M | — | — |
Top 12 Environment companies in Stockholm County
#1
Series A · Stockholm, Stockholm County · founded 2023$592.9Mraised▾
Provider of fixed-price energy subscriptions including solar, heat pump, battery. The subscriptions cover installation, service, maintenance, and repairs for a fixed monthly cost. The service includes energy analysis to determine the optimal energy system. The subscriptions aim to reduce energy costs and increase energy independence.
- May 2026Series A$6.9M
- Dec 2025Conventional Debt$585.9M
#2
Series C · Stockholm, Stockholm County · founded 2013$7.3Mraised▾
Blykalla is a Swedish deep-tech startup that is developing and building small modular reactors to deliver clean, safe, and scalable base load power. They are at the forefront of technological innovation in the energy sector and are focused on industrializing leading research.
- Dec 2025Series C$50M
- Feb 2025Series B$15.7M
- Feb 2025Grant (prize money)$2.6M
- Apr 2024Series A$7.3M
#3
Series A · Stockholm, Stockholm County · founded 2019 · 19 employees$8.6Mraised▾
Developer nuclear energy projects
- Mar 2025Series A$10.9M
- Aug 2023Seed$5.4M
- Dec 2022Seed$3.1M
- Dec 2022Grant (prize money)—
#4
Seed · Stockholm, Stockholm County · founded 2022$5.5Mraised▾
Provider of carbon credits solutions
- Jun 2024Seed$5.5M
#5
Acquired · Stockholm, Stockholm County · founded 2013 · 132 employees$39.4Mraised▾
Manufacturer of solar roof tiles or building integrated photovoltaic tiles. It uses monocrystalline solar cells sandwiched between two large sheets of glass which reduces the number of connections and makes it cheaper.
- Jan 2023Series A$14.6M
- Sep 2022Series A$15.2M
- Apr 2021Seed$5.4M
- Dec 2020Seed$1.8M
#6
Series A · Stockholm, Stockholm County · founded 2017 · 47 employees$5.8Mraised▾
Provider of AI-driven energy optimization solutions for commercial buildings. It offers solutions that optimize heating, cooling, and ventilation using AI and engineering insights. The system is designed as a retrofit to improve energy efficiency. It provides add-on services for spot price optimization and power load reduction, utilizing building's capacity to store heat or cold. The solutions focus on reducing energy consumption, lowering operational costs, and aligning with sustainability goals and regulatory compliance.
- Feb 2024Series A$5.8M
#7
Series A · Stockholm, Stockholm County · founded 2018 · 12 employees$6.5Mraised▾
Provider of water management services
- Jan 2023Series A$6.5M
#8
Seed · Nacka, Stockholm County · founded 2015 · 6 employees$1.1Mraised▾
Provider of carbon removal services
- Mar 2024Seed$1.1M
#9
Acquired · Stockholm, Stockholm County · founded 2013 · 43 employees$14Mraised▾
Developer of solar energy projects
- May 2017Series B$11.3M
- Oct 2015Series A$2.7M
#10
Series A · Stockholm, Stockholm County · founded 2009 · 31 employees$12.1Mraised▾
Developer of floating wind energy projects
- Apr 2016Series A$3.1M
- Nov 2014Series A$7.5M
- Sep 2014Series A$1.6M
#11
Seed · Nacka, Stockholm County · founded 2018 · 10 employees$2.2Mraised▾
Spowdi developed solar-powered portable water pumping systems for domestic and agricultural purposes. Products include the S11 irrigation pumps and SDW1 domestic pumps. The S11 pumps consist of a pump having a flow rate of 42l/min, a foldable solar panel of 40W and a power management box. The SDW1 domestic pump consists of a pump of flow rate 10l/min, a power management box and a grid connector. Claims to produce 25k liters of water per day.
- Sep 2020Seed$2.2M
#12
Seed · Stockholm, Stockholm County · founded 2015 · 14 employees$1.8Mraised▾
Provider of water savings services
- May 2019Grant (prize money)$55.7K
- Mar 2019Grant (prize money)$56.9K
- Dec 2018Seed$1.8M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Environment coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Environmental Monitoring is moving in Sweden
A read on the academic research around Environmental Monitoring — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 300 Sweden-affiliated papers.
- Swedish University of Agricultural Sciences81
- University of Gothenburg44
- Stockholm University28
- Lund University26
- Swedish Meteorological and Hydrological Institute23
- Biodiversity7
- Contamination5
- Benthic zone5
- Environmental DNA5
- Scale (ratio)4
- Contamination1→4
- Biodiversity2→7
- Contamination2→7
- Wastewater1→5
- Pollutant1→4
- Arctic2→5
Where environmental monitoring is researched across Sweden
Location clusters by institution affiliation — each city's volume, stance tone, and a quick read on its hot topic, what's advancing, the opening opportunity, and the main concern.
Common questions
Rohit lives in the feed. He covers what's moving right now — the funding rounds, launches and shifts breaking across the trade press — and ties them back to where the sector is heading.