Best Sustainability Tech Companies in Switzerland
The 324 best Sustainability Tech companies in Switzerland in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Alevo.
Ranking the best Sustainability Tech companies in Switzerland by disclosed equity funding, this directory tracks 324 startups and scaleups sitting on $3.9B in total disclosed capital. That's a real number. One unicorn in the mix, Climeworks, which has pulled in $762M and operates at a scale most peers can't touch. Terralayr follows at $67M, and the rest of the top tier clusters well below that, which tells you something about how concentrated the funding story is here. The global market behind all this hit roughly $16.2B in 2022 and is forecast to reach $122.7B by 2032, a 23.8% CAGR that keeps institutional attention locked in. As shown in 2020 research, smart grid adoption and low-carbon transition pressures are the structural forces compressing timelines across the sector.
So what's moving right now? EV powertrain advancement and next-generation battery technology are the themes dominating deal flow this quarter, and Switzerland's deep engineering base makes it a credible home for that hardware-intensive work. I'd also flag that sustainability tech hiring patterns are shifting fast, with capital consolidating around fewer, better-funded teams rather than spreading thin. The regulatory gap, specifically the lack of binding green technology standards globally, cuts both ways: it keeps compliance costs low for now but introduces pricing uncertainty that investors are watching closely. Venture Kick and MassChallenge are the most active backers here, which signals the ecosystem still skews early but is building toward something more durable.
- MarketsandMarkets
Our analysis of 293 Sustainability Tech companies
$38.4b in tracked funding; 83% of the stack-profiled cohort runs cloud-native; funding activity peaked in 2025.
Ranked: Best Sustainability Tech companies in Switzerland
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Market signals (1y) | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Alevo Provider of grid scale energy storage solution | $1.7B | 123 mo ago | Late Stage | 120 | — | — | 2 patents Modular HVDC circuit breakers and underground high‑voltage DC transmission systems. | — |
| 2 | Climeworks 🦄 Provider of direct air capture technology and carbon removal services | $762M | 11 mo ago | Series E | 352 | Christoph Gebald CEO & Founder | 9 signals ▼62% Contracts · Acquisition · New product | 186 patents Carbon capture from ambient air using specialized sorbent materials and direct‑air capture devices. | 1 job opening · 1 partnership |
| 3 | Memo Therapeutics Developer of antibodies for treating infectious diseases and cancer | $97M | 25 mo ago | Series C | 21 | — | — | 52 patents Therapeutic antibodies targeting BK virus and SIGLEC‑9, plus immunoreceptor gene recovery | 1 partnership |
| 4 | ObsEva Developer of therapeutics for women's reproductive health and pregnancy | $95M | 69 mo ago | Public | 27 | — | — | 210 patents Oxytocin antagonist therapeutics for fertility, preterm labor, and endometriosis treatment | — |
| 5 | Neustark Provider of carbon mineralization technology that stores CO2 in demolished concrete. | $69M | 23 mo ago | Series C | 29 | Johannes Tiefenthaler Co-Founder & Co-CEO | — | 15 patents CO2-based mineral carbonation for waste suspension and concrete granulate upgrading | 2 launchs |
| 6 | terralayr Provider of energy storage solutions | $67M | 4 mo ago | Series D | — | Philipp Man Co-Founder & CEO | 7 signals ▲40% Capital raise · Funding | — | — |
| 7 | Bioversys Developer of therapeutics for Antimicrobial Resistance | $62M | 41 mo ago | Public | 24 | Marc Gitzinger Founder & CEO | 7 signals ▼22% Board | 233 patents Rifabutin antibiotic analogs and lyophilized formulations for anti‑tuberculosis therapy | — |
| 8 | Flisom Manufactures CIGS thin films photovoltaics | $59M | 92 mo ago | Acqui-Hired | 48 | — | — | 264 patents Flexible thin‑film solar modules using roll‑to‑roll graded‑composition deposition. | — |
| 9 | NewBiologix Provider of engineered cell lines for drug development | $50M | 37 mo ago | Seed | — | Nicolas Mermod Co-Founder | — | — | — |
| 10 | Synhelion Developer of renewable fuels designed to replace fossil fuels | $41M | 42 mo ago | Series C | 36 | Philipp Furler Co-Founder & Co-CEO | 5 signals ▲400% Contracts | 112 patents Patents concentrated in mechanical & energy engineering | — |
| 11 | LimmaTech Biologics Developing bioconjugate vaccines using glycoengineering and protein glycosylation techniques | $40M | 27 mo ago | Acquired | 40 | — | — | 37 patents Glycoengineered vaccine antigens and therapeutic glycoproteins for bacterial pathogens | — |
| 12 | Pexapark Provider of a platform for PPA marketplace | $40M | 32 mo ago | Series C | 114 | Michael Waldner Co-Founder & CEO | — | — | 1 launch |
| 13 | Selfrag Developer of technology for efficient and selective crushing | $37M | 39 mo ago | Series C | 21 | — | — | 140 patents High‑voltage pulse fragmentation of pourable/solid materials for industrial processing | — |
| 14 | Vector BioPharma Developer of gene delivery platform to treat various disease conditions | $30M | 46 mo ago | Deadpooled | 39 | Lorenz Mayr Co-Founder | — | 7 patents Targeted adenoviral gene‑delivery platforms for immune‑cell therapies and vector production | — |
| 15 | Akselos Developer of structural performance management software for energy infrastructure assets | $29M | 36 mo ago | Series B | 97 | Phuong Huynh Co-Founder | — | 19 patents Patents concentrated in computing, sensing & instrumentation | — |
| 16 | Oxyle Provider of PFAS treatment solutions | $25M | 16 mo ago | Seed | — | Salvador Vidal Co-Founder | — | 9 patents Catalytic water treatment systems for degrading organic pollutants in wastewater | — |
| 17 | Daphne Technology Provider of solution to reduce industrial methane emissions | $19M | 12 mo ago | Series B | — | Juan Michan Founder & CEO | — | 2 patents Water pollutant removal using sorbent-based filtration technologies | — |
| 18 | Virometix Vaccines and immunotherapeutic drugs for the prevention and treatment of infectious diseases (both bacterial… | $19M | 7 mo ago | Series C | 15 | Anna Sumeray CEO | — | 41 patents Vaccine antigen design and peptide‑based immunogens for pneumococcal and RSV protection | — |
| 19 | Jua AI-based platform offering solutions for weather forecasting | $18M | 12 mo ago | Series A | — | Marvin Gabler Co-Founder & Chief Scientist | — | — | — |
| 20 | FIND Diagnostics Diagnostic tests for poverty-related diseases | $15M | 44 mo ago | Funding Raised | 501 | William Rodriguez CEO | — | — | 1 partnership |
| 21 | Meteomatics Provider of weather analytics data solutions using drones 57Tech top 22%Customers top 33%Funding top 36%Product top 36% All 12 signals ▾Techtop 22% Customerstop 33% Fundingtop 36% Producttop 36% Moattop 37% Innovationtop 45% Patentstop 48% Markettop 50% Talentbottom 49% Growthbottom 47% Globalbottom 39% Newsbottom 21% Tech: 51 technologies across 6/8 capability areas · Cloud: Cloudflare Customers: Play-Store rating 4.26★ across 1,287 ratings (1 apps) rank vs industry peers · Fliar Intelligence Index 57/100 | $14M | 16 mo ago | Series C | 86 | Martin Fengler Founder & CEO | — | 16 patents Aircraft safety systems, especially icing detection and protective control mechanisms | 3 launchs |
| 22 | DePoly Developer of technology to recycle unsorted PET waste into virgin-grade raw materials | $14M | 13 mo ago | Seed | 14 | Bardiya Valizadeh Co-Founder & CTO | — | 19 patents Chemical recycling of polyurethanes and purification of terephthalic acid monomers | 1 job opening · 1 expansion |
| 23 | Resistell Provider of antibiotic susceptibility testing | $13M | 42 mo ago | Series B | 31 | — | — | 8 patents Micro/nano particle motion analysis and bio‑functionalized cantilever sensing technologies. | — |
| 24 | Pregnolia Pregnolia AG is a women's health medtech company based in Switzerland. | $10M | 30 mo ago | Series A | 13 | — | — | — | — |
| 25 | UniSieve Provider of membrane solutions for gas separation and chemical feedstock purification | $10M | 37 mo ago | Seed | 13 | Samuel Hess CEO | — | 12 patents Membrane-based gas separation and carbon capture; polymer production from low-grade monomers. | — |
| 26 | Eturnity Provider of sales and design software solutions for solar energy operators | $9M | 36 mo ago | Series A | 45 | Matthew Wiget CEO | — | — | 1 launch |
| 27 | Zaphiro Technologies Provider of AI-driven energy monitoring and control systems | $8M | 42 mo ago | Series A | 14 | Marco Pignati Co-Founder & CTO | — | — | 1 job opening · 2 partnerships |
| 28 | Metafuels Developer of technology for sustainable aviation fuel production from green methanol | $8M | 2 mo ago | Series B | 3 | Leigh Hackett Co-Founder | 7 signals ▼22% Funding · Capital raise · Contracts | 11 patents MOF-based catalysts for upgrading light hydrocarbons into transport fuels | 2 partnerships |
| 29 | Aspivix Provider of a next-generation suction-based cervical device for gynecological purposes | $7M | 43 mo ago | Series A | 9 | Julien Finci CTO and Co-Founder | — | 32 patents Handheld gynecological examination devices for minimally invasive women's health diagnostics. | 1 launch |
| 30 | LEDCity Provider of AI-driven smart lighting products | $6M | 26 mo ago | Seed | 47 | Florian Gaertner-Wyniger Co-Founder | — | — | — |
| 31 | novoMOF Manufacturer of metal-organic frameworks | $5M | 14 mo ago | Series A | — | Serge Niederkorn CEO | — | 2 patents Synthesis of aluminium formate metal‑organic frameworks for gas storage/separation | 1 partnership · 1 award |
| 32 | Open Forest Protocol Provider of build forest ecosystem and tree protocol services | $4M | 21 mo ago | Seed | 33 | Frederic Fournier Co-Founder & CEO | — | — | 1 launch |
| 33 | RTDT Developer of wireless sensor system for wind turbine blade monitoring | $4M | 11 mo ago | Seed | — | Aris Mukherjee Co-Founder & COO | — | — | 3 awards |
| 34 | Green-Y Provider of compressed air storage systems | $3M | 25 mo ago | Series A | 9 | — | — | — | — |
| 35 | Relief Therapeutics Developer of drugs for treating pulmonary and infectious diseases | $3M | 22 mo ago | Public | 69 | — | 3 signals ▼70% M&A | — | — |
| 36 | Perovskia Manufacturer of custom design solar cells for indoor and outdoor use | $3M | 20 mo ago | Seed | 6 | Toby Meyer Co-Founder | — | — | 2 launchs · 1 partnership |
| 37 | Enerdrape Developer of geothermal panel technology for heating and cooling. | $2M | 29 mo ago | Seed | 5 | Alessandro Loria Co-Founder | — | — | 1 launch |
| 38 | SoHHytec Provider of solutions for onsite hydrogen generation and storage | $2M | 18 mo ago | Seed | 9 | Sophia Haussener Co-founder & Scientific Advisor | — | — | — |
| 39 | CellX Biosolutions Sustainable treatment of chemical waste | $2M | 15 mo ago | Seed | — | Estelle Clerc Co-Founder & CEO | — | — | 1 award |
| 40 | KITRO Software solutions for food waste management | $2M | 18 mo ago | Seed | 6 | — | — | — | — |
| 41 | Viboo Provider of cloud-based building management system using IoT devices and AI | $2M | 8 mo ago | Series A | 7 | Felix Bunning Co-Founder & CEO | 5 signals Funding | — | 3 job openings |
| 42 | Voltiris Developer of solar modules compatible with greenhouse crops | $2M | 16 mo ago | Seed | 10 | Jonas Roch Co-Founder & CTO | — | 14 patents Solar photovoltaic power generation modules and sun‑tracking systems for optimized energy capture | — |
| 43 | Regenosca Developer of implant for bladder tissue reconstruction | $1M | 22 mo ago | Seed | 3 | Eva-Maria Balet Co-Founder | — | 6 patents Gradient-stiffness polymeric tissue scaffolds for regenerative medicine | — |
| 44 | Cotierra Provider of biochar solutions for carbon removal and soil regeneration | $1M | 21 mo ago | Seed | — | Thomas Kaslin Co-Founder | — | — | — |
| 45 | Jaipur Robotics Advanced computer vision solutions for waste-to-energy plants | $968K | 10 mo ago | Seed | — | Ermes Zamboni Co-Founder & CEO | — | — | — |
| 46 | Hive Power Provider of charging optimisation solution for station network | $610K | 18 mo ago | Seed | 19 | Vasco Medici Co-Founder | — | — | 1 partnership |
| 47 | Delta Spark Developer of technology converting carbon dioxide into minerals and hydrogen | $188K | 2 mo ago | Seed | — | Suhas Sampathkumar Co-Founder & CTO | — | — | — |
| 48 | MoleSense Developer of molecular wearables intended for use in maternity care | $182K | 7 mo ago | Seed | — | Gian Barbruni Founder & CEO | — | — | — |
| 49 | Riverkin Provider of smart water management solutions | $174K | 19 mo ago | Funding Raised | — | Jessica Droujko Founder & CEO | — | — | 1 job opening · 1 launch |
| 50 | Haelixa Developing DNA-based tracers to monitor temperature, light, pH, and oxidants for the energy industry | $128K | 4 mo ago | Acquired | 14 | Patrick Strumpf CEO | 6 signals ▲500% Funding · Capital raise · Leadership | 8 patents Anti-counterfeit marking and verification of products, especially pharmaceuticals. | 1 launch |
Top 12 Sustainability Tech companies in Switzerland
#1
Series E · Zurich, Zurich · founded 2009 · 352 employees$761.6Mraised▾
Provider of direct air capture technology and carbon removal services. The company offers end-to-end carbon removal solutions and tailored portfolios. It combines engineered and nature-based solutions for forward-thinking companies. The company focuses on developing direct air capture technology and scaling the industry. It also provides resources, customer stories, and guides related to carbon removal.
- Jul 2025Series E$162M
- Apr 2022Series E$650M
- Jan 2021Series D—
- Jun 2020Series D$75.2M
#2
Series D · Zug, Canton of Zug · founded 2023$67.2Mraised▾
Provider of energy storage solutions. Company provides energy flexibility services on demand, emphasizing the management of energy resources to meet fluctuating demands.
- Jan 2026Series D$132.2M
- Oct 2024Series C$67.2M
- Oct 2024Conventional Debt$16.3M
#3
Series B · Langnau Am Albis, Zurich · founded 2019 · 3 employees$8Mraised▾
Developer of technology for sustainable aviation fuel production from green methanol. The company’s proprietary technology converts green methanol to sustainable aviation fuel. This process recovers carbon dioxide through direct air capture and biogenic methods. Green hydrogen can be generated from water electrolysis driven by renewable electricity. The technology aims to enable fuel manufacturers to produce sustainable aviation fuel at scale.
- Apr 2026Grant (prize money)$2.2M
- Feb 2026Series B$24M
- Jan 2025Series A$9M
- Jul 2024Grant (prize money)$5M
#4
Series C · Zurich, Zurich · founded 2009 · 15 employees$18.9Mraised▾
Virometix is a privately held biotechnology company developing a new generation of vaccines and immunotherapeutic drugs for the prevention and treatment of infectious and chronic human diseases. Rational molecular design, chemical synthesis and Virometix's proprietary Synthetic Virus-Like Particle platform technology allow for the rapid production and optimization of vaccine candidates with superior properties in terms of safety, efficacy and stability. Virometix Vaccines is a spin-out company from the University of Zurich.
- Nov 2025Series C$15M
- Jul 2020Series B$8M
- Sep 2017Series A$1.3M
- May 2017Series A$5.1M
#5
Series B · Saint-sulpice, Vaud · founded 2017$19.3Mraised▾
Provider of solution to reduce industrial methane emissions. It provides innovative solutions for capturing and reducing methane emissions, particularly from gas-powered engines.
- May 2025Grant (prize money)$4.5M
- May 2025Grant (prize money)$4.5M
- Jan 2025Grant (prize money)$4.5M
- Dec 2022Series B$3.2M
#6
Series A · Pfaffikon, Zurich · founded 2022$18.5Mraised▾
AI-based platform offering solutions for weather forecasting. Its platform helps users with predicting and managing extreme weather events, managing demand and supply forecasting for renewable energies, and others.
- Jun 2025Series A$11M
- Feb 2024Seed$16M
- Oct 2022Seed$2.5M
#7
Seed · Schlieren, Zurich · founded 2020$24.8Mraised▾
Provider of PFAS treatment solutions. It provides wastewater treatment and PFAS elimination solutions using nanofiltration and foam filtration technology. It is also involved in developing machine learning models to monitor and adapt treatment solutions.
- Jan 2025Seed$16M
- Apr 2023Grant (prize money)$55.1K
- Dec 2022Seed$3M
- Jun 2021Grant (prize money)$3.3M
#8
Seed · Sion, Valais · founded 2020 · 14 employees$13.8Mraised▾
Developer of technology to recycle unsorted PET waste into virgin-grade raw materials. The technology recycles unsorted, dirty PET waste into virgin-grade raw materials. These PET precursors, PTA and MEG, are used by the industry to produce new plastics without the need for fossil fuels, while diverting valuable materials from landfills and incineration. The company provides waste and recycled product solutions across the PET supply chain.
- Apr 2025Seed$23M
- Jun 2023Seed$13.8M
#9
Series C · Bern, Canton of Bern · founded 2019 · 29 employees$69Mraised▾
Provider of carbon mineralization technology that stores CO2 in demolished concrete. It offers a solution that binds CO2 in demolished concrete aggregate through mineralization, permanently storing it and removing the CO2 from the atmosphere. The company works with biogas plants to source CO2 and concrete recyclers to store the CO2. It also partners with businesses to achieve their net-zero climate strategies by offering carbon dioxide removal credits. The technology captures, transports, and stores CO2 by working with source and storage partners.
- Jun 2024Series C$69M
- Jun 2024Conventional Debt—
- Nov 2022Conventional Debt—
- May 2021Grant (prize money)$908.4K
#10
Series C · Saint Gallenkappel, St Gallen · founded 2012 · 86 employees$14.1Mraised▾
Provider of weather analytics data solutions using drones. It offers a Meteodrone program that provides drones than can be flown beyond visual line of sight. The drones collect atmospheric data and send it to the local weather forecasting station.
- Jan 2025Series C$22M
- Jan 2024Series B—
- Jun 2022Series B$14.1M
- Oct 2019Grant (prize money)$141.5K
#11
Seed · Zurich, Zurich · founded 2022$4.1Mraised▾
Developer of wireless sensor system for wind turbine blade monitoring. The system provides aero-structural data for design, control, operations, and risk management. It features sensors, wireless autonomy, and a flexible design for installation on any blade section. The system supports configurations tailored to specific use cases, including aerodynamic and structural measurements. Data is delivered through dashboards and API access. Analytical modules offer insights at blade positions and turbine level. Actionable recommendations are provided to increase turbine profitability.
- Jul 2025Seed$4M
- Sep 2024Grant (prize money)$41.4K
- Mar 2024Grant (prize money)$11.8K
- Feb 2024Grant (prize money)—
#12
Series A · Dubendorf, Zurich · founded 2022 · 7 employees$1.7Mraised▾
Provider of cloud-based building management system using IoT devices and AI. The system retrofits commercial buildings with wireless IoT devices, including smart radiator thermostats and room sensors. Using artificial intelligence, the system learns the thermal behavior of each room. It then optimizes heating based on occupancy and weather forecasts. The system is managed through a cloud-based cockpit.
- Oct 2025Series A$3.9M
- Sep 2023Seed$1.7M
Funding & investor landscape
Notable founders
Market landscape — 10 sub-themes by coverage
Share of Sustainability Tech coverage by sub-theme.
Regulatory-risk over time rising
Funding & growth over time
funding rising · growth rising
How research on Climate Adaptation is moving in Switzerland
A read on the academic research around Climate Adaptation — which themes are gaining ground, the institutions and researchers driving them, and how the tone is shifting. Based on 152 Switzerland-affiliated papers.
- ETH Zurich40
- University of Zurich15
- University of Bern15
- Federal Office of Meteorology and Climatology MeteoSwiss15
- University of Geneva12
- Climate change1→15
- Climate risk1→8
- Climate change1→8
- Flood myth3→4
- Climate change10→35
- Resilience (materials science)1→18
- Psychological resilience1→15
- Sustainability1→10
- Vulnerability (computing)3→10
Where climate adaptation is researched across Switzerland
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.