Best Sustainability Tech Companies in Austria
The 172 best Sustainability Tech companies in Austria in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: GROPYUS.
Austria's Sustainability Tech sector, ranked here by disclosed equity funding and recent momentum, spans 172 tracked companies and $1.0B in total disclosed capital. That's a real number. Gropyus alone accounts for $251M of it, which tells you something about how concentrated this field still is. Ecop follows at $23M, and the rest of the directory thins out fast. No unicorns yet, but the underlying market these companies are chasing is forecast to reach $122.7B by 2032, up from $16.2B in 2022, a 23.8% CAGR that commands attention regardless of where you sit on the hype spectrum.
What I find striking is how much of the momentum here ties to hardware and process innovation rather than pure software plays. As shown in 2020 research, green technology adoption scales fastest when structural incentives align with industrial deployment, and Austria's active backers, including Austria Wirtschaftsservice and Science Park Graz, are pushing exactly that direction. The regulatory gap is real: the lack of binding green technology frameworks still clouds capital allocation for smaller filers like Valanx Biotech ($3M) and SteadySense ($7M). So the funding concentration you see here isn't accidental. It reflects where conviction exists before the rules catch up.
- 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 Austria
| # | Company | Disclosed funding | Last round | Stage | Employees | Founder | Market signals (1y) | Patents & IP focus | Recent signals |
|---|---|---|---|---|---|---|---|---|---|
| 1 | GROPYUS Developer of green buildings | $251M | 3 mo ago | Series D | 400 | Bernd Oswald Co-Founder | — | 4 patents Robotic gripping and handling systems for wooden workpieces with integrated electrical fixation. | 1 expansion |
| 2 | Nabriva Developer of pleuromutilin class of antibiotics for MDR infections | $193M | 89 mo ago | Public | 39 | — | 3 signals ▼40% Leadership | — | — |
| 3 | HOOKIPA Pharma Developer of immunotherapies for the treatment of infectious diseases and cancer | $134M | 30 mo ago | Public | 132 | — | 6 signals ▼82% Acquisition | — | — |
| 4 | neoom Provider of comprehensive energy systems for private, commercial, and community use | $95M | 26 mo ago | Series B | 300 | Philipp Lobnig Co-Founder & CFO | — | — | — |
| 5 | Themis Bioscience Prophylactic vaccines for infectious diseases | $83M | 81 mo ago | Acqui-Hired | 40 | — | — | 60 patents Recombinant viral vaccine vectors and co‑stimulatory ectodomain proteins for immunomodulation | — |
| 6 | Intercell Developer of vaccines for infectious diseases (merged with Vivalis {France} to form Valneva in 2012) | $79M | 183 mo ago | Acquired | — | Arunabh Varma Founder & CEO | — | 405 patents Vaccines and immunostimulatory oligodeoxynucleotide formulations targeting bacterial pathogens. | — |
| 7 | Enspired Alternative investment platform focused on trading energy assets | $36M | 25 mo ago | Series B | 59 | Mario Schmoltzi Co-Founder | 4 signals Funding · Contracts | 4 patents Battery charge/discharge power management for energy storage systems | 1 partnership · 2 expansions |
| 8 | ecop Developer of industrial rotation heat pump technology for waste heat recovery | $23M | 12 mo ago | Series B | 11 | — | — | 10 patents Thermal energy conversion devices for waste heat recovery and heat‑to‑electric power. | 1 partnership |
| 9 | Schrott24 Online scrap metal marketplace | $20M | 33 mo ago | Series A | — | Alexander Schlick Co-Founder & CEO | — | — | — |
| 10 | Metaloop B2B online scrap metal marketplace | $17M | 33 mo ago | Series A | 50 | Alexander Schlick Co-Founder & CEO | — | — | — |
| 11 | Tset Provider of software development services | $14M | 22 mo ago | Series A | 70 | Sasan Hashemi Co-Founder & CEO | — | — | — |
| 12 | Arkeon Developer of protein ingredients through carbon-capture | $14M | 41 mo ago | Seed | 35 | Simon Rittmann Co-Founder | — | 21 patents Amino acid production via methanogenic microorganisms in bioreactors | — |
| 13 | crystalsol Developer of flexible photovoltaic films | $11M | 69 mo ago | Series A | 11 | Thomas Badegruber Founder & CEO | — | 15 patents Patents concentrated in electrical & electronics | — |
| 14 | Eologix-ping Smart sensor systems for blade health monitoring of wind turbines | $9M | 24 mo ago | Seed | 30 | Michael Moser CTO and CO-Founder | — | — | 1 job opening · 1 launch |
| 15 | HYDROGRID Intelligent IoT solution for optimizing and controlling hydropower plants | $8M | 30 mo ago | Series A | — | Janice Goodenough CEO | — | — | — |
| 16 | Sequestra Platform that recycles industrial waste materials, enabling the reduction of global carbon emissions | $8M | 3 mo ago | Seed | — | Roberto Lerche Co-Founder | — | — | 1 expansion |
| 17 | SteadySense Provider of remote monitoring medical devices | $7M | 7 mo ago | Series B | 12 | — | — | 13 patents Wearable medical sensor patches with protective layers for biophysical monitoring | 2 launchs |
| 18 | Marinomed Developer of drugs for immunology, allergy and infectious diseases | $6M | 56 mo ago | Public | 44 | Eva Prieschl-Grassauer Co-Founder | 15 signals ▼53% Capital raise · Earnings · Funding | — | 1 launch · 1 partnership · 1 expansion |
| 19 | EveliQure Biotechnologies Developing a vaccine against Diarrhea using a proprietary technology platform | $6M | 81 mo ago | Funding Raised | 7 | Gabor Somogyi CEO | — | 35 patents High‑dose Shigella vaccine formulation and delivery technologies | — |
| 20 | EcoNetix Provider of carbon emission reduction solution | $5M | 9 mo ago | Seed | — | Jakob Zenz CEO and Founder | — | — | 3 partnerships · 1 award |
| 21 | Anagnostics In-vitro-diagnostics for sepsis | $4M | 207 mo ago | Acqui-Hired | 2 | Bernhard Ronacher Co-Founder & CSO | — | — | — |
| 22 | SUSTEC Developer of sustainable acid regeneration technology for stainless steel pickling | $3M | 72 mo ago | Funding Raised | — | Fabian Storek Founder & CEO | — | 2 patents Recovery of acids and metals from dry salt compounds (metal extraction from solid salts) | — |
| 23 | Sealife Pharma Marine biotechnology company focused on developing antibiotics derived from marine fungi | $3M | 126 mo ago | Seed | — | Andreas Krems ex-Co-Founder | — | 76 patents Synthesis and application of bioactive polyguanidine polymers for pharmaceutical therapeutics | — |
| 24 | Valanx Biotech Develops tools for protein conjugation | $3M | 3 mo ago | Series A | 11 | Georg Altenbacher Co-Founder & CBO | — | 15 patents Bio-orthogonal click chemistry reagents for site-specific protein/peptide modification | — |
| 25 | PhagoMed Company developing alternatives to antibiotics through their expertise in phage therapy | $2M | 83 mo ago | Acquired | 14 | Burkhard Wippermann Co-Founder | — | — | — |
| 26 | Wowflow SaaS-driven maintenance management software for owners and property managers | $1M | 46 mo ago | Seed | 13 | Misha Voronko Co-Founder | — | — | — |
| 27 | Wohnio Provider of heating optimization solutions for residential and commercial properties | $1M | 8 mo ago | Seed | — | Kevin Bauer Founder & CEO | — | — | — |
| 28 | Ivary At-home diagnostic kits to assess the ovarian reserve | $1M | 111 mo ago | Deadpooled | — | Silvia Hecher Founder & CEO | — | — | — |
| 29 | Imhotep Industries Provider of drinking water services | $1M | 51 mo ago | Seed | 3 | Ing Dipl Ing Manfred Ledermüller Co-Founder & CTO | — | — | — |
| 30 | Shadowmap Interactive 3D app that visualizes solar shadows anywhere on Earth | $1M | 35 mo ago | Seed | 7 | Georg Molzer Founder & CEO | — | — | 1 launch |
| 31 | Energy Changes Developer of projects that drive climate action | $1M | 124 mo ago | Funding Raised | — | Ayse Frey Managing Director | — | — | 1 partnership |
| 32 | OBRIST Group Developer of thermal management systems and powertrain solutions for various industries | $820K | 104 mo ago | Funding Raised | — | Oliver Obrist CEO | — | 22 patents Integrated hybrid powertrain and battery management systems for heavy-duty vehicles | — |
| 33 | Cube Dx Provider of cylindrical microarray therapy for sepsis detection and cancer | $786K | 124 mo ago | Funding Raised | — | Fawaz Linjawi Co-Founder | — | 3 patents Thermal control for cylindrical reactors and liquid sample analytical instrumentation. | — |
| 34 | Genspeed Biotech Provider of portfolio of diagnostic devices | $604K | 77 mo ago | Funding Raised | 15 | — | — | 3 patents Microfluidic chip platforms for precise fluid handling and dispensing systems | — |
| 35 | Grid Singularity Decentralized energy data exchange platform | $454K | 56 mo ago | Funding Raised | 17 | — | — | — | — |
| 36 | CREE Buildings Provider of timber-hybrid building systems for sustainable construction projects | $438K | 91 mo ago | Funding Raised | 26 | Hubert Rhomberg CEO & Founder | — | — | 1 partnership |
| 37 | imd Biotech Developer of diagnostic equipment for biomolecule detection and measurement | $431K | 25 mo ago | Seed | — | Peter Werzer Co-Founder | — | — | 2 partnerships · 2 awards |
| 38 | LineMetrics Lean Industrial Environment Metrics | $400K | 150 mo ago | Seed | 11 | Reinhard Nowak Co-Founder | — | — | 1 launch |
| 39 | Carbon Recovery Provider of used tire recycling technology solutions | $380K | 95 mo ago | Seed | — | Christian Konvalina Managing Director | — | — | — |
| 40 | SA-Energietechnik Provider of heat pumps and heating solutions | $163K | 22 mo ago | Seed | — | Alfons Schinagl Managing Director | — | 4 patents Engine load management systems and piston depression mechanisms for internal combustion engines | — |
| 41 | UrbanGold Technology solution for e-waste recycling | $118K | 102 mo ago | Funding Raised | 5 | — | — | 12 patents Recycling electronic waste by metallurgical processing to recover metals and components | — |
| 42 | NETxAutomation Provider of web-based building management software | $118K | 81 mo ago | Funding Raised | — | Pawel Furtak Owner | — | — | — |
| 43 | Econutri Provider of solution to convert carbon into protein | $116K | 29 mo ago | Seed | — | Helmut Schwab Co-Founder | — | — | — |
| 44 | Ponix Systems Provider of notary and legal document services | $115K | 90 mo ago | Funding Raised | 5 | Alexander Penzias Co-Founder & CEO | — | — | — |
Top 12 Sustainability Tech companies in Austria
#1
Series D · Vienna, Vienna · founded 2019 · 400 employees$251Mraised▾
Gropyus is a developer of green buildings. It uses timber-based materials in its buildings.
- Mar 2026Series D$118.1M
- Oct 2024Series C$109.7M
- Jan 2023Series B$108.8M
- Apr 2022Series A$32.5M
#2
Seed · Vienna, Vienna · founded 2024$8Mraised▾
Platform that recycles industrial waste materials, enabling the reduction of global carbon emissions. Its technology allows for carbonation of mineral materials,enabling the removal of carbon dioxide from the atmosphere.
- Mar 2026Seed$3.5M
- Mar 2026Grant (prize money)—
- Nov 2025Grant (prize money)$2.2M
- Sep 2025Grant (prize money)—
#3
Series A · Graz, Styria · founded 2017 · 11 employees$2.7Mraised▾
VALANX is a biotech company that develops a site-specific protein conjugation platform to enable fast antibody-drug conjugates development as well as peptide conjugates and oriented immobilization for biosensors. They have patented reactive amino acid at defined sites and the site is encoded on the DNA level and is freely selectable.
- Mar 2026Series A$3.5M
- Nov 2023Series A$2.5M
- 2020Seed—
- Seed$253.4K
#4
Series B · Vienna, Vienna · founded 2007 · 11 employees$23.2Mraised▾
Developer of industrial rotation heat pump technology for waste heat recovery. It provides rotation heat pumps utilizing a patented technology for industrial applications. The heat pumps recover waste heat and efficiently elevate it to high temperatures for industrial processes, district heating, and cooling. The technology offers flexibility in applications such as heat boosting and combined heating/cooling processes.
- May 2025Series B$12M
- Jul 2024Grant (prize money)$9.2M
- Aug 2018Grant (prize money)$2M
#5
Series B · Seiersberg, Styria · founded 2016 · 12 employees$6.7Mraised▾
SteadySense provides a remote monitoring platform for healthcare professionals and patients. The company develops a sensor-based device SteadyTemp in which a skin adhered patch will be attached to the patient's body and it will monitor the body temperature in real-time and give insights on mobile-based NFC (near field communication) enabled software platform.
- Oct 2025Series B—
- Mar 2019Series A$6.7M
#6
Seed · Vienna, Vienna · founded 2023$5.3Mraised▾
Provider of carbon emission reduction solution. It measures and reports carbon emissions digitally by implementing IoT system that uses sensors, satellite imaging, weather data, and AI algorithms.
- Sep 2025Seed$5.3M
- Mar 2024Seed—
#7
Seed · Vienna, Vienna · founded 2023$1.3Mraised▾
Provider of heating optimization solutions for residential and commercial properties. The company offers services to digitize and decarbonize heating systems. It facilitates the transition to green energy systems. The company provides portfolio oversight, continuous optimization, and early detection of system defects.
- Sep 2025Seed$939.3K
- Feb 2025Seed$359.2K
#8
Public · Vienna, Vienna · founded 2011 · 132 employees$133.7Mraised▾
Developer of immunotherapies for the treatment of infectious diseases and cancer. The company uses a proprietary arenavirus platform to develop a product pipeline that inlcudes HB-201 and HB-202 for the treatment of Human Papillomavirus-16 positive (HPV16+) cancers.
- Dec 2023Post IPO$21.2M
- Feb 2019Series D$37.4M
- Dec 2017Series C$59.6M
- Oct 2016Grant (prize money)$4.6M
#9
Series B · Freistadt, Upper Austria · founded 2011 · 300 employees$95.1Mraised▾
Provider of comprehensive energy systems for private, commercial, and community use. The company delivers solutions for energy production, storage, management, and distribution. These systems facilitate energy independence, cost savings, and carbon footprint reduction. Offerings include hardware, software, and related services for renewable energy integration and optimization.
- Mar 2024Series B$37.9M
- May 2023Series B$17.2M
- Feb 2023Series B$26.7M
- Mar 2021Series A$13.3M
#10
Series A · Kuchl, Salzburg · founded 2017 · 70 employees$13.8Mraised▾
Provider of software development services. Company specializing in product cost and carbon footprint analysis for the manufacturing industry. It specialization in data analytics, machine learning, automotive, data science, enterprise, product costing, user experience, algorithms, and artificial intelligence.
- Jul 2024Series A$13.8M
#11
Series B · Vienna, Vienna · founded 2020 · 59 employees$36.2Mraised▾
Alternative investment platform focused on trading energy assets. It provides AI-driven solutions to optimize power portfolio. It provides solutions to direct market access with power trading services based on data, self-learning models, and cutting-edge technology.
- May 2024Series B$27.5M
- Dec 2021Series A$8.7M
#12
Seed · Graz, Styria · founded 2014 · 30 employees$8.5Mraised▾
Smart sensor systems for blade health monitoring of wind turbines. It offers solutions such as acoustic rotor blade damage detection, internal structural damage detection, lightning detection, acoustic ice detection, and more.
- May 2024Seed$1.6M
- Sep 2022Seed$6.9M
- May 2020Grant (prize money)$655.6K
- Sep 2019Grant (prize money)$1.2M
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 Austria
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 163 Austria-affiliated papers.
- International Institute for Applied Systems Analysis60
- BOKU University25
- Universität Innsbruck14
- Austrian Institute of Technology13
- TU Wien10
- Climate change11
- Flood myth10
- Resilience (materials science)5
- Climate risk4
- Vulnerability (computing)3
- Flood myth4→14
- Climate change4→13
- Vulnerability (computing)2→6
- Environmental resource management1→5
- Climate change2→35
- Risk management1→5
Where climate adaptation is researched across Austria
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
Riya reads income statements for fun. She covers the real money in a sector — revenue, growth, who actually earns — and never met a vague claim she didn't want a number for.