Top 20 Sustainability Angel Investors in Switzerland in May 2026

Portfolio highlights

• Mountain Gate — Accelerating the transition to a more sustainable planet through global green infrastructure deployment.
• TerraScale Systems — Accelerating the transition to a more sustainable planet through global green infrastructure deployment.
• Climate Transition Swiss AG — Accelerating the transition to a more sustainable planet through global green infrastructure deployment.

Portfolio highlights

• TerraScale Systems — Accelerating the transition to a more sustainable planet through global green infrastructure deployment.
• Climate Transition Swiss AG — Accelerating the transition to a more sustainable planet through global green infrastructure deployment.
• Climate Transition Development — Climate Transition Development Corporation (CTD) is leading the Green Snow Project – an innovative hybrid renewable energy venture in Northern Japan. The company's mission is to revolutionize Japan’s renewable energy sector by harnessing the abundant low to medium-heat geothermal resources available in the region.Together with ourdevelopment partners, TerraScale Inc. and Global Family, the company is committed to tackling the challenges of the geothermal energy sector and transforming the way Japan generates power. The company's work forms an integral part of the Japan-US collaboration on geothermal energy development and aims to significantly reduce fossil fuel reliance and cut carbon emissions.

Portfolio highlights

• Hive Power — Hive Power provides a SaaS platform to optimise your existing electrical distribution grid, both from the technical and economic points of view.

Portfolio highlights

• MFG.com — MFG brings buyers and suppliers together by connecting buyers custom part requests with the right manufacturer. Register now for free!
• Silkhaus — Silkhaus makes living comfortable and convenient through 24/7 mobile support and a digital concierge.
• Pivot — Pivot operates as a fintech company.

Portfolio highlights

• Thingsy — Thingsy is the digital hub for the implementation of the circular economy.
• Manax — Manax is a business management software that helps field service businesses digitalize their operations and close more sales.
• Kollabo — Kollabo - the deep job platform for skilled blue collar workers. Thanks to our large network of temporary offices & our qualified team, we excel at finding the perfect match for job seekers and staffing agencies. Never before has the recruiting process been so easy and hassle-free for everyone involved. The goal is to digitally enable allstakeholder, generating a win-win-win situation. It can be that simple with Kollabo – We make work easy.

Portfolio highlights

• IXI — Discover adaptive glasses with autofocus lenses that adjust to your viewing needs, providing seamless clarity at any distance.
• Noah — API-first stablecoin payments, enterprise-grade compliance and real-time settlements, powered by stablecoin technology.
• Flow Engineering — Requirements management, made collaborative

Portfolio highlights

• Kooky — - What is kooky? kooky is a digital cup smart system and offers you the possibility to dispose your reusable cup on your way in an easy and sustainable way through kooky boxes.- How does kooky work? You order your drink as usual and get it in a kooky cup. You simply pay for the drink plus 1 CHF deposit. When you return the cup in a kooky drop offbox, you will immediately get your 1 CHF deposit credited in the wallet of your app.- What do I have to do when I got the cup with the drink? Simply scan the QR code of the cup with the kooky app (registration required), and the cup will be paired to your app account.- Where can I return the cup? In all the kooky boxes around town and in all the venues of the kooky network. You can find both in the app.- How do I get my credit? In order to withdraw the credit in your app wallet, you need to enter your bank details in the app. Then you submit a payout request of the desired amount. Kooky only takes a 10% fee as cost of service, you will receive a receipt for each withdrawal.- What does kooky do with the cups? Our employees empty the kooky boxes and bring the cups to our rinsing logistics. There, they are cleaned according to hygiene regulations and standards, picked, packed and distributed to our partners again.- Are e-vehicles used for logistics? Yes, the logistics for collecting and distributing the cups takes place exclusively with electric vehicles.
• Kitchenful — Kitchenful is an app for personalized recommendations of recipes, which gets users the ingredients delivered from their local supermarket. Kitchenful's algorithm always suggests the most popular recipes that are 40% cheaper than meal kits.
• SEON — SEON Fraud Prevention tools help organisations reduce the costs and resources lost to fraud. Spot fake accounts, slash manual reviews and cut chargebacks now.

Portfolio highlights

• Open Mineral AG — Technology-enabled global metal commodity trade & market intelligence platform.
• Mirai Flights — Business aviation in the Mirai Flights' mobile app. Private charter flight at a fixed price: search and compare aircraft jets of different classes, book and pay online

Portfolio highlights

• Kooky — - What is kooky? kooky is a digital cup smart system and offers you the possibility to dispose your reusable cup on your way in an easy and sustainable way through kooky boxes.- How does kooky work? You order your drink as usual and get it in a kooky cup. You simply pay for the drink plus 1 CHF deposit. When you return the cup in a kooky drop offbox, you will immediately get your 1 CHF deposit credited in the wallet of your app.- What do I have to do when I got the cup with the drink? Simply scan the QR code of the cup with the kooky app (registration required), and the cup will be paired to your app account.- Where can I return the cup? In all the kooky boxes around town and in all the venues of the kooky network. You can find both in the app.- How do I get my credit? In order to withdraw the credit in your app wallet, you need to enter your bank details in the app. Then you submit a payout request of the desired amount. Kooky only takes a 10% fee as cost of service, you will receive a receipt for each withdrawal.- What does kooky do with the cups? Our employees empty the kooky boxes and bring the cups to our rinsing logistics. There, they are cleaned according to hygiene regulations and standards, picked, packed and distributed to our partners again.- Are e-vehicles used for logistics? Yes, the logistics for collecting and distributing the cups takes place exclusively with electric vehicles.
• Payrails — Payrails enables high-growth companies to craft their payment experiences and financial services globally.
• MILES — MILES is an independent carsharing and modern mobility. They believe in the energy and the pulse of cities and how they inspire them. MILES is your wingman on your trip through urbanity, guiding you to its hidden treasures and cool spots, which make your city so worth living. Their passion for the new and unexplored drives them in their vision tomake urban life better. Driving with no time pressure, no limits and no specific car brand.

Portfolio highlights

• Appentura — Appentura is guide your friend on the phone by his personal surprise - the content you choose.
• MyCamper — MyCamper is a camper sharing platform that opens the camper rental market to private offers.. MyCamper is the Airbnb for campers in Switzerland and Sweden.

Portfolio highlights

• Ólixir — Ólixir is an organic extra-virgin olive oil with a superior level of freshness, heart-protective polyphenols, fruitiness, and taste.

Portfolio highlights

• Tset — Tset is a software company that develops a SaaS enterprise solution for product cost and CO2 emission estimation.
• Kooky — - What is kooky? kooky is a digital cup smart system and offers you the possibility to dispose your reusable cup on your way in an easy and sustainable way through kooky boxes.- How does kooky work? You order your drink as usual and get it in a kooky cup. You simply pay for the drink plus 1 CHF deposit. When you return the cup in a kooky drop offbox, you will immediately get your 1 CHF deposit credited in the wallet of your app.- What do I have to do when I got the cup with the drink? Simply scan the QR code of the cup with the kooky app (registration required), and the cup will be paired to your app account.- Where can I return the cup? In all the kooky boxes around town and in all the venues of the kooky network. You can find both in the app.- How do I get my credit? In order to withdraw the credit in your app wallet, you need to enter your bank details in the app. Then you submit a payout request of the desired amount. Kooky only takes a 10% fee as cost of service, you will receive a receipt for each withdrawal.- What does kooky do with the cups? Our employees empty the kooky boxes and bring the cups to our rinsing logistics. There, they are cleaned according to hygiene regulations and standards, picked, packed and distributed to our partners again.- Are e-vehicles used for logistics? Yes, the logistics for collecting and distributing the cups takes place exclusively with electric vehicles.
• Allthings — Allthings enables digital communication and interaction between property users, owners and property managers. Allthings bundles various digital services around life and work in buildings in one app. By doing so, Allthings achieves operational cost reductions while simultaneously increasing the value of the property. The company was founded in 2013by an experienced team and has offices in Basel, Berlin and Freiburg i. Breisgau.

Portfolio highlights

• BTRY — BTRY is a spin-off of EMPA and ETH and is developing the industry's first energy-dense solid-state battery, using sophisticated semiconductor manufacturing technologies.
• Cylib — The cylib process transfers waste from end of life batteries or production scrap into marketable products. Cylib covers all steps from the discharging of batteries up to hydrometallurgical extraction. Since the whole process is in one hand, also the processing of production scraps as well as black mass is possible.

Portfolio highlights

• Mountain Gate — Accelerating the transition to a more sustainable planet through global green infrastructure deployment.
• Climate Transition Swiss AG — Accelerating the transition to a more sustainable planet through global green infrastructure deployment.

Portfolio highlights

• Neon — With neon, you can pay, save and manage your money. Digitally, securely and with no hidden fees. Open your account online in less than 10 minutes!
• Appentura — Appentura is guide your friend on the phone by his personal surprise - the content you choose.
• Kollabo — Kollabo - the deep job platform for skilled blue collar workers. Thanks to our large network of temporary offices & our qualified team, we excel at finding the perfect match for job seekers and staffing agencies. Never before has the recruiting process been so easy and hassle-free for everyone involved. The goal is to digitally enable allstakeholder, generating a win-win-win situation. It can be that simple with Kollabo – We make work easy.

Portfolio highlights

• Mountain Gate — Accelerating the transition to a more sustainable planet through global green infrastructure deployment.

Portfolio highlights

• Mountain Gate — Accelerating the transition to a more sustainable planet through global green infrastructure deployment.
• TerraScale Systems — Accelerating the transition to a more sustainable planet through global green infrastructure deployment.

Portfolio highlights

• Ólixir — Ólixir is an organic extra-virgin olive oil with a superior level of freshness, heart-protective polyphenols, fruitiness, and taste.

Portfolio highlights

• Ólixir — Ólixir is an organic extra-virgin olive oil with a superior level of freshness, heart-protective polyphenols, fruitiness, and taste.

Portfolio highlights

• Lingoda — Learn a new language effectively with our online language courses! English, German, French and Spanish online, in live video group & private classes.
• TrueHome — TrueHome is a Mexican real estate company that aims to improve the real estate services in the country by providing the best selling experience for homeowners and taking care of the process from end to end. They offer their clients transparent processes about procedures and details that can be confusing, boring, and long. Their legal advisorsensure that the process is in order from documents and paperwork, to the contract and the credit process.TrueHome was founded in 2017 by Raúl Villarreal and is headquartered in Mexico City.
• Flash Coffee — Flash Coffee is a tech-enabled coffee chain that customers use their app to order and pay online, choosing to pick up orders from one of the Flash Coffee’s storefronts or order for delivery through major platforms in each market. Flash Coffee was founded in 2019 and is headquartered in Singapore.