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Top 10 Sustainability Startup Investors in Hungary (October 2026)

The most active venture capital funds and angel investors investing in Hungary Sustainability startups. This investor list is updated monthly from the Shizune investor database, ranked by number of investments in Hungary Sustainability startup companies. Find investors to raise a Pre-Seed, Seed or Series A round with Shizune.
Investor Relevant Deals Geography Stage Focus Round Size
Hiventures
VC Fund
12 Hungary, United States, United Kingdom Pre-Seed, Seed, Series A Software, Information Technology, Manufacturing $18k–$2.9M
Future Energy Ventures
VC Fund
1 Germany, United States, Israel Seed, Series A, Series B Software, Energy, Information Technology $1.3M–$34M
Bonitás Ventures
VC Fund
1 Hungary Seed, Series A, Pre-Seed Information Technology, Software, Education $249k–$4.5M
Start it @KBC
VC Fund
1 Hungary Pre-Seed CleanTech, GreenTech
Climate-KIC
VC Fund
1 Germany, Italy, Switzerland Seed, Grant, Pre-Seed CleanTech, GreenTech, Sustainability $13–$1.8M
Hesham Zreik
Angel
1 United States, India, Nigeria Pre-Seed, Seed, Series A Information Technology, Software, E-Commerce $10k–$5M
Valor Capital Venture Capital Fund Management Ltd.
VC Fund
1 Hungary, Hong Kong, United States Series A, Seed Information Technology, Media and Entertainment, Apps $714k–$5M
Oktogon Ventures
VC Fund
1 Hungary, United States, Czech Republic Seed, Pre-Seed, Series A Software, Artificial Intelligence, Computer Vision $100k–$22M
Blue planet climate protection risk capital fund
VC Fund
1 Hungary Seed, Pre-Seed Retail, Logistics, E-Commerce $311k–$1.1M
Finext Startup
VC Fund
1 Hungary, Denmark, United Kingdom Seed, Series A Robotics, Analytics, Industrial Automation $665k–$1M
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Investor list

Hiventures
VC Fund · Budapest, Budapest, Hungary · 12 investments in Hungary Sustainability startups

As one of the largest and most active venture capital fund partners in Central and Eastern Europe our mission is to create new ways of equity funding for innovative small and medium-sized enterprises with high growth potential as well as more traditional businesses for the purpose of establishing a sustainable and competitive SME and enterpriseecosystem both in Hungary and in the region

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Investment focus

  • Industry: Software, Information Technology, Manufacturing
  • Stage:Pre-Seed, Seed, Series A
  • Geography: Hungary, United States, United Kingdom

Investor stats

  • Total investments: 708
  • Round size: Seed $118k–$935k; Pre-Seed $18k–$138k; Series A $163k–$2.9M
  • Lead/follow: 7% lead, 93% follow
  • Last fund: May invest from a new fund soon — raised $493M in 2020

Portfolio highlights

  • iBar Experience Kft. — iBar provides an AI  inventory app that integrates into restaurant management software. They offer products and services for pizzerias, bars, discos, hotels, and restaurants.
  • SURVIOT Monitoring Kft. — SURVIOT provides smart movement and deformation monitoring solution for civil engineering projects such as bridge, tunnel and dam constructions, quarries, slope stability inspections by monitoring geotechnical and environmental parameters. SURVIOT supports operators and constructors to comply with professional regulations by digitizing labourintensive, manual monitoring processes with automated data collection, processing and analysis. The SURVIOT platform is constantly evolving by adding new sensors and features.
  • Linkio - Ecommerce Integration Portal — Integrate wholesalers into your online store easier then ever
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Future Energy Ventures
VC Fund · Essen, Nordrhein-Westfalen, Germany · 1 investments in Hungary Sustainability startups

Future Energy Ventures is a unique venture capital fund that brings together corporate partners and world-class start-ups to shape the future energy landscape. Future Energy Ventures invests in digital and digitally enabled technologies and business models that have the potential to redefine the future energy landscape.From its operational hubsin Germany, Israel and Silicon Valley, Future Energy Ventures looks for both investments and scaling opportunities for its portfolio globally and new investment opportunities.Future Energy Ventures is the venture capital investment and collaboration platform of E.ON, one of Europe’s largest operators of energy networks and energy-related infrastructure.

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Investment focus

  • Industry: Software, Energy, Information Technology
  • Stage:Seed, Series A, Series B
  • Geography: Germany, United States, Israel

Investor stats

  • Total investments: 102
  • Round size: Seed $1.3M–$5M; Series A $3.4M–$18M; Series B $10M–$34M
  • Lead/follow: 29% lead, 71% follow
  • Last fund: Likely actively investing — fresh fund, raised $273M in 2025

Portfolio highlights

  • Pstryk — Pstryk is a mobile app that tracks expenditures in real time to help you make budget-conscious decisions about energy consumption.
  • GridCARE — GridCARE is the essential one-stop power solution for AI data centers, delivering energy security and resilience at unprecedented speed.
  • Reel Energy — Reel empowers all companies to procure renewable electricity that makes a real difference for the climate.
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Bonitás Ventures
VC Fund · Budapest, Budapest, Hungary · 1 investments in Hungary Sustainability startups

Bonitás is more than an investor. Our team helps the brave founders to pursue their dreams and build extraordinary companies. We push because we respect. Partnering with Bonitás, founders can benefit from our unmatched network and gain experience in management support. Bonitás is proud that our backed companies also propel great causes.

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Investment focus

  • Industry: Information Technology, Software, Education
  • Stage:Seed, Series A, Pre-Seed
  • Geography: Hungary

Investor stats

  • Total investments: 29
  • Round size: Seed $249k–$1.7M; Series A $1.4M–$4.5M
  • Lead/follow: 100% lead, 0% follow
  • Last fund: May invest from a new fund soon — raised $40M in 2018

Portfolio highlights

  • Cytocast — Imagine a world where new therapies can be discovered and developed in a fraction of what it takes now.
  • roboGaze — roboGaze provides affordable solutions to increase road safety by democratized AI driven driver monitoring system
  • Gremon Systems — Gremon Systems Zrt. is a software and hardware development, manufacturing and sales company specialising in innovative solutions for agriculture, especially within the vegetable segment. The aim of the investment is to expand the company's existing portfolio of products and to support the entry into the dominant European and global markets.Gremon Systems provides innovative IT solutions to greenhouse growers that results in direct cost and yield benefits.
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Start it @KBC
VC Fund · Antwerp, Antwerpen, Belgium · 1 investments in Hungary Sustainability startups

Start it @KBC supports and promotes innovative and scalable entrepreneurship and, with over 800 startups.

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Investment focus

  • Industry: CleanTech, GreenTech
  • Stage:Pre-Seed
  • Geography: Hungary

Investor stats

  • Total investments: 1
  • Lead/follow: 100% lead, 0% follow

Portfolio highlights

  • Summotive® — The first invention of Summotive®, DriftAir®, works by utilizing wind energy without the need for maintenance. It does’nt require any additional power source and doesn’t contain moving parts. It provides optimal ventilation with high capacity air flow-through. Eco-friendly, silent operation, meets ESG objectives and Net-Zero Standard.GWR NANOINSULATION® GWR Nano is a paint-like liquid insulating material with special properties. A unique, revolutionary solution in the construction industry. The product has an excellent professional, development and testing background (TÜV SÜD), which distinguishes it from its competitors. GWR Nano can reduce energy consumption by more than 43% according to TÜV SÜD.
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Climate-KIC
VC Fund · Zürich, Zurich, Switzerland · 1 investments in Hungary Sustainability startups

EIT Climate-KIC is a European knowledge and innovation community, working to accelerate the transition to a zero-carbon economy.Supported by the European Institute of Innovation and Technology, we identify and support innovation that helps society mitigate and adapt to climate change. They believe that a decarbonised, sustainable economy is notonly necessary to prevent catastrophic climate change, but presents a wealth of opportunities for business and society.

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Investment focus

  • Industry: CleanTech, GreenTech, Sustainability
  • Stage:Seed, Grant, Pre-Seed
  • Geography: Germany, Italy, Switzerland

Investor stats

  • Total investments: 19
  • Round size: Seed $259k–$1.8M; Grant $13–$99k; Pre-Seed $55k–$373k
  • Lead/follow: 42% lead, 58% follow

Portfolio highlights

  • Afterwind — Afterwind® exists to preserve natural resources for future generations by recycling glass fibre assets into circular advanced materials with full traceability.We help asset owners and industrial manufacturers in Advanced Materials, Renewable Energy, and Construction recover and reuse end-of-life and byproduct materials without compromising theiroriginal properties, including glass and carbon fibres, PET and PVC foams, and resin powders.Team Afterwind is expanding across Europe, working on- or near-site to help our clients cut costs, CO2, and risks, while supplying stable, high-quality, circular advanced materials that deliver on EU Taxonomy and green targets.
  • RECYCLLUX — Recycllux helps coastal authorities detect marine pollution hotspots, prioritise interventions, coordinate local actors and verify measurable impact.
  • GreenPow — GreenPow is The Adaptive Computing Platform. MAIZX, our continuously-deciding control plane, routes workloads across regions based on energy, carbon, cost, performance, and compliance signals - so infrastructure thinks, not just runs.
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Hesham Zreik
Angel · Dubai, Dubai, United Arab Emirates · 1 investments in Hungary Sustainability startups

Hesham Zreik is the CEO of FasterCapital. He previously worked at DreamApps as a Project Manager. Hesham attended the University of Westminster.

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Investment focus

  • Industry: Information Technology, Software, E-Commerce
  • Stage:Pre-Seed, Seed, Series A
  • Geography: United States, India, Nigeria

Investor stats

  • Total investments: 1171
  • Round size: Seed $20k–$2M; Pre-Seed $10k–$1M; Series A $170k–$5M
  • Lead/follow: 53% lead, 47% follow

Portfolio highlights

  • Groccery store — Groccery store is a local Groccery store based in Hlotse, Leribe, Lesotho, designed to address a key challenge in the community
  • Excel And Impact Agro — Excel And Impact Agro aims to tackle the chronic shortage of vegetable production in Côte d'Ivoire.
  • Mercy Community School — Mercy Community School is a community-driven education initiative based in Linda Compound, Lusaka, Zambia.
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Valor Capital Venture Capital Fund Management Ltd.
VC Fund · Budapest, Budapest, Hungary · 1 investments in Hungary Sustainability startups

Valor Capital is a late seed/Series A investor active in Hungary and in the EU. Valor Capital’s management and staff are well qualified capital market experts having long domestic, regional and international experience in various industries. Valor Capital therefore has no industry focus strictly speaking, although there is an emphasis on ITand green energy projects (primarily due to the large upside potential).

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Investment focus

  • Industry: Information Technology, Media and Entertainment, Apps
  • Stage:Series A, Seed
  • Geography: Hungary, Hong Kong, United States

Investor stats

  • Total investments: 9
  • Round size: Series A $714k–$5M
  • Lead/follow: 100% lead, 0% follow

Portfolio highlights

  • Statzup — Domain name StatZup.com is a dynamic and impactful choice for startups looking to make a bold statement in the world of statistics and data analysis. The name suggests a sense of urgency and excitement, urging users to stay on top of the la
  • Urban Family Ltd. — About Urban Family We are passionate about design and always deliver outstanding results. We see design as a business investment and, as such, we understand our responsibility to generate value by driving tangible and measurable results.OUR STORY Founded by technology enthusiasts and business angels in 2016, we were inspired by the global NewWave coffee shop boom. We incorporated the concept of serving high-quality products in an unexpected and engaging environment to design a 360° container venue solution. After our launch in May 2016, our unique concept was awarded an investment by Valor Capital who saw outstanding opportunity in our innovative franchise opportunities and solutions.OUR VISION Our vision is to establish a new standard of service for those partners committed to launching flexible venues in unique places. We believe that together with our high quality vending stalls and approach, industrious vendors will thrive. Container venue solutions provide attractive environments for customers and high profit potential for franchise partners or stand-alone service providers.
  • Smart InnovationLtd. — The aim of SMART INNOVATIONS Ltd. is to develop an innovative smart-network solution not only metering and forwarding data on water, gas and electricity consumption, but processing the above, being able to handle all of the players of the water, gas and electricity systems thus optimising the consumption.
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Oktogon Ventures
VC Fund · Budapest, Budapest, Hungary · 1 investments in Hungary Sustainability startups

We leverage our local background, operational expertise and global network to help CEE startups realize their fullest potential. Our Scope in Hungary, Slovakia, Czech Republic, Poland, Croatia, Romania, Slovenia, Bulgaria. Founding team and core technology exist and have ‘zero to one’ potential. Product has global appeal from day one. Early stage.Capable of achieving extraordinary growth. Focus on technology-heavy plays. Our portfolio companie: Bitrise, Recart, Enduraid.Why Oktogon? Led and partially funded by the entrepreneur behind Hungary’s largest-ever startup M&A success Regional network of potential co-investment partners Principals and mentors with proven startup and entrepreneurial experience Strong connections to US and Western European tier 1 VCs, Angels and partners Access to a large network of local technical and management talent

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Investment focus

  • Industry: Software, Artificial Intelligence, Computer Vision
  • Stage:Seed, Pre-Seed, Series A
  • Geography: Hungary, United States, Czech Republic

Investor stats

  • Total investments: 33
  • Round size: Seed $310k–$2.7M; Pre-Seed $100k–$5.7M; Series A $2.5M–$22M
  • Lead/follow: 12% lead, 88% follow
  • Last fund: May invest from a new fund soon — raised $11M in 2019

Portfolio highlights

  • Riptides — Riptides is the non-human identity fabric for your workloads and AI agents, and they trust Every Connection. Even the Autonomous Ones.
  • Boost.space — Grow product catalog revenue with Bob, a specialized Product Catalog Agent. Prove positive ROI in 4 weeks, then build your agent-driven company on Boost.space Agent OS.
  • Hypefy — An influencer marketing platform built for brands that want to discover creators, run campaigns, and measure performance with ease.
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Blue planet climate protection risk capital fund
VC Fund · 1 investments in Hungary Sustainability startups

climate-tech thematic VC

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Investment focus

  • Industry: Retail, Logistics, E-Commerce
  • Stage:Seed, Pre-Seed
  • Geography: Hungary

Investor stats

  • Total investments: 3
  • Round size: Seed $311k–$1.1M
  • Lead/follow: 67% lead, 33% follow

Portfolio highlights

  • Compocity — Compocity provides a gamified sustainability service for companies who would like to transform their food leftovers into value. In a comprehensive service, we take care of the soil food, use it eco-ethically and give them sustainability reports and data collected by personalized community missions that make the whole circular flow sustainable.Compocity is a climate-tech service for B2B communities. Healthy planet, healthy soil.
  • ROKSH — ROKSH is a B2C grocery delivery marketplace that transforms everyday shopping into a fast, convenient, and personalized experience. Operating in Hungary and Austria, ROKSH enables users to order from over 200,000 products across top retailers like ALDI, PENNY, and METRO, all delivered the same or next day by personal shoppers. The platform offers aunique hybrid model—combining a decentralized logistics network using partner stores (not warehouses or dark stores) with real-time, human-driven customer service.ROKSH’s personal shoppers not only pick and deliver groceries but also communicate with customers about product substitutions or quality issues, ensuring a high-touch, high-quality experience. Backed by AI, ROKSH offers intelligent shopping list creation, recipe recommendations, and real-time chat support to streamline the online grocery journey. With 360K+ orders delivered and €10M+ in GMV, ROKSH is the market leader in the CEE region and is now scaling to new European markets, aiming to redefine grocery shopping with speed, trust, and personalization.
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Finext Startup
VC Fund · Budapest, Budapest, Hungary · 1 investments in Hungary Sustainability startups

Finext Startup is a principal investment firm specialized in early stage investments.

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Investment focus

  • Industry: Robotics, Analytics, Industrial Automation
  • Stage:Seed, Series A
  • Geography: Hungary, Denmark, United Kingdom

Investor stats

  • Total investments: 8
  • Round size: Seed $665k–$1M
  • Lead/follow: 25% lead, 75% follow

Portfolio highlights

  • MOOW — Our company is focusing on the development of an innovative opto-electric pH and temperature sensor and a CO2 and NH3 detector combined with IT technologies in order to maintain dairy cattle health, improve feed efficiency and increase milk production and ultimately the business profitability.Moow rumen bolus is designed to provide continuous andreliable measurement of the pH level and temperature of the rumen. The detector measures the CO2 and NH3 concentration in the stable to provide the perfect environment. All data is transmitted automatically first to the Base Station and then to a cloud-based system which allows farmers, vets and scientists to process the information and deal with unexpected issues.
  • Audioons — Audioons allow creation of a powerful decentralised Audio Player without a single line of code using attributes along with powerful tools for artists and studios to monitor there streams. It also allows them to collaborate with related artists in real time and allows mixing and composing in real time along with generating music using AI tools.
  • Cursor Insight — Cursor Insight turns human movement into biometric, clinical, security and operational intelligence across AI, health and security.
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Sustainability Investor funding in Hungary at a glance

Stats across 34 deals from 24 investors.

24
investors
in Hungary Sustainability startups
34
deals
in Hungary Sustainability startups
$153k
median round
in Hungary Sustainability startups
46%
lead investors
lead at least one round
47%
Pre-Seed
most common funding stage
96/4
VC / Angel
share of investor count

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