Top 50 Sustainability Angel Investors in United Kingdom (May 2026)

Portfolio highlights

• Outverse — A community platform that's easier to use, better organised and designed for real interaction.
• CultureAI — Measure and improve human cyber risks and security behaviours to prevent security incidents. Go beyond security awareness training, start your free trial today.
• finway — finway provides financial guidence to SMEs, plan & control all expenses and budgets in one tool.

Portfolio highlights

• Karat Financial — Karat is the best card for creators, helping you save money, earn rewards, and grow your channel faster - because content IS a business.
• Config — Config combines engineering, operations, and manufacturing to simplify the large-scale shipment of high-quality hardware.
• Ristretto — Ristretto electric bikes - representing the pinacle of superior riding performance - the 512 combines design with sustainable luxury

Portfolio highlights

• Agnikul — Agnikul is a space tech startup that designs, manufactures, tests, and launch orbital-class rockets for micro and nanosatellites. They currently work out of the National Center for Combustion R&D at IIT-Madras. Rocket scientists, engineers, ex-bankers and space lawyers are a part of their team. This unique blend of people is one of theirbiggest strengths. The company was founded in 2017 and is based in Chennai, Tamil Nadu.
• Log 9 Materials — Log 9 Materials Scientific Private Limited is a graphene research and development company. At Log 9 Materials we are determined to accelerate the commercialization of graphene nanotechnology. We have just developed the first commercial product on graphene- 'Smoke-safe'. This innovative graphene based cigarette filter reduces the risk ofgetting cancer by 90%. We offer a wide range of graphene (CVD graphene, rGO) and its derivatives. We bring to you graphene as researchers and not just manufactures, so we understand the triviality of the grade of our products.
• Toffee Ride - Learning App for Classes I - IV — Toffee Ride is a learning App that is singularly focused on helping your child develop a thorough understanding of fundamental concepts.

Portfolio highlights

• Pockit — Open a prepaid account in 3 minutes online or in-app, get your contactless prepaid card in 2 working days with no credit check.
• Hometree — Keep yourself warm with Hometree, and try our no price hike promise. Compare our different boiler & home cover plans to see how you can save.
• Hellas Direct — Hellas Direct is a digital-first, full-stack insurance company, empowered by cutting-edge technology and artificial intelligence. The Cyprus-based company is backed by a roster of leading investors, including Portag3, IFC (a member of the World Bank), Endeavor Catalyst, former Goldman Sachs economist Lord O’Neill and private equity veteran JonMoulton. Modelling itself on Amazon, Hellas Direct aims to disrupt the insurance value chain by adopting an extreme focus on operational excellence.

Portfolio highlights

• Glassette — Discover and collect beautiful, curated homeware from the best brands in the UK. Shop thoughtfully, live joyfully.
• Get A Drip — All of our Drips and Booster Shots are administered by our medical staff, consisting of GMC registered Doctors and NMC registered Nurses.
• Stubben Edge — Financial services for a new generation. Sign up free to sell better financial products, cheaper, faster and to more people with Flightdeck

Portfolio highlights

• LiveNinja — LiveNinja is on a mission to help people around the world get the service and assistance they need; anytime, anywhere. The company offers unique communication tools that enable businesses to better serve and understand their customers. LiveNinja Messenger, their latest app, simplifies customer communication by bringing each conversation into onemessage thread.It was founded in 2011 and headquartered in Miami, Florida.
• Eco Market — Eco Market enables sellers of ethical and eco products to easily create a shop to sell their products in our online marketplace. Since the site launched in October 2010 it has attracted hundreds of eco sellers selling over 7,000 unique products from across the world ranging from Fairtrade coffee, to handmade natural soap, to up-cycled tshirts.The website also simplifies the often complicated process of shopping ethically by explaining what each products ethical credentials and certificates mean. Shoppers can also learn more about each seller by interact with sellers reading interviews and interacting with them via the site's own social network and video system, where they can learn more about the story and people behind the products they buy.Our goal as a company is not only to give (often small one man band) sellers a platform to sell products but also to give consumers all the tools and information they need to demystify ethical shopping, and to create open debates about key issues that will help shape our planet.

Portfolio highlights

• Konfir — employment Home page Instantly access employment or income records for any UK-based worker, with their consent
• FUEL — Where everlasting fanbases are built
• Sidekick — Expertly-managed portfolios for the modern investor

Portfolio highlights

• Bud — Bud uses Open Banking to help financial companies to access and make sense of messy financial data.
• mmi — Make better-informed brand communications decisions on a local, global and campaign level. Talk to us about how you can increase your beauty brand sales.
• Blackbullion — Learning platform for students who want to get in control of their money

Portfolio highlights

• CUDONI — Buy and sell preloved designer clothing, bags, shoes & accessories at Sign of the Times. Current season authentic pre-owned luxury fashion at sale prices.
• TalkLife — TalkLife is a social network that’s saving lives - a mobile platform tackling the global youth mental health crisis. Talklife is fast becoming an industry innovator by embracing smartphone technology and creating a pathway that encourages youth to become transparent with their struggles in an accepting and positive environment, shining light ontaboo topics such as depression, self harm and suicide.
• Clerkenwell Health — Clerkenwell Health addresses the growing unmet demand for effective mental health treatments.

Portfolio highlights

• Switchee — Specifically designed for social housing providers, Switchee exists to improve the quality of life for people living in rented homes.
• Hometree — Keep yourself warm with Hometree, and try our no price hike promise. Compare our different boiler & home cover plans to see how you can save.
• ZigZag Global — ZigZag Global is a software platform to help retailers manage returns globally. It grades retailers returned products and offers consolidation, refurbishment, local redistribution, recycling, destruction, and reselling stock internationally on a revenue share basis.The ZigZag network connects over 200 local warehouses in 130 countries socustomers can get faster refunds. E-commerce consumers return items back to retailers via an intelligent returns portal. Returns take less than one minute, and customers send tracked returns by post, locker or courier from over 300,000 locations.Goods are sent back to a local warehouse and then ZigZag can scan, grade, consolidate or refurbish products to get them back into the supply chain more quickly. Customers can be refunded in just 24 hours, and goods can then be returned, destroyed, donated or re-fulfilled to a new order or resold via marketplaces.ZigZag won the 2017 ShopTalk Startup award along with a 25,000 Euro prize. It also won the 2017 Sustainability Award in Milan, 2017 Innovation Award at IRX, StartUps 100 Winner 2017. 2016 Global award at the World Retail Congress in Dubai for innovation and were shortlisted for Innovation of the Year by Retail Week at the Tech and EComm Awards, Mark of Excellence - Disruptor of the Year 2016 - Supply Chain Awards, Winner at London Technology Week – GetInTheRing.ZigZag was founded in 2014 by Al Gerrie and Laurence Guy. and is headquartered in London, England, UK.

Portfolio highlights

• Paperflow — Paperflow is a company that developed a cloud-based system that, using artificial intelligence, scans and handles vouchers such as receipts or invoices so that the manual posting is done automatically.
• Configit —
• Too Good To Go — The app that lets customers rescue unsold food from shops and restaurants to save it from going to waste. Try it today.

Portfolio highlights

• Epic Impact — Epic is the app that rewards you for buying ethical products that are better for the planet, and empowers you to do more good, from offsetting your carbon footprint to donating to good causes.

Portfolio highlights

• Lick — Lick | Paints, Wallpapers and Supplies. Your Room, Covered
• By Rotation — Rent over 25000+ designer fashion items online from our free app. Discover luxury designer dresses, clothing, bags and accessories from your trending favorite brands.
• Anch.ai — Anch.AI is an Ethical AI Governance platform that helps you comply with EU regulations and avoid risks and penalties when developing and using AI as part of your business.

Portfolio highlights

• Ubooker — Global online booking platform for the fashion industry where top brands book talent directly

Portfolio highlights

• Super.com — Through rich rewards and everyday savings, Super helps you access more of what you want at better prices, escape overspending, and level up life.
• SwingVision — Real-Time Automated Video Analysis for Tennis
• Sunnyside — Cutback Coach is a developer of an alcohol tracking app to help people build healthier habits around their drinking. It offers a custom plan based on current drinking habits and goals, then set a daily reminder via text message that help users set the limit of their drinking habit.

Portfolio highlights

• Lick — Lick | Paints, Wallpapers and Supplies. Your Room, Covered
• Pharmacierge — Pharmacierge is the digital e-prescribing service chosen by private clinicians to deliver medication to their patients throughout the UK and worldwide. Clinicians create and transfer e-prescriptions to our pharmacy near London's Harley Street, for free delivery to their patients either the same day or next weekday
• Vyne Technologies — Vyne Technologies is the specialist account-to-account payments platform.

Portfolio highlights

• Better Origin — At Better Origin, our mission is to fix the broken food chain by converting waste into high-value insect products.
• Better Origin — At Better Origin, our mission is to fix the broken food chain by converting waste into high-value insect products.

Portfolio highlights

• Trezy — Trezy is smart & simple software the helps you manage your business with real-time finance insights & automated cash-flow forecasting.
• Basket — Basket lets you keep track of things you want to buy, automatically finding the best prices, saving you time and money. Say hello to your new shopping companion.
• Klasha — At Klasha, we're simplifying borderless payments for commerce in Africa. We help merchants worldwide sell online to Africa and receive payments in local African currencies while enjoying super fast last-mile delivery to customers across the continent.

Portfolio highlights

• Zeigo — Zeigo is a company formed by a team of like-minded clean energy & tech pioneers with a mission to help companies transition to a low carbon economy.
• Ecolectro — Ecolectro is solving the biggest challenges in making Green Hydrogen. Our alkaline ion-exchange membranes and polymers make clean fuel and decarbonize industry.
• Sniffer Robotics — Comprehensive methane emissions detection and quantification, advanced imagery and analytics; Sniffer Robotics provides advanced solutions that benefit the environment.

Portfolio highlights

• Fy! — Fy is an e-commerce company that builds a mobile marketplace to shop online. It uses a combination of social content, machine learning, and a deep understanding of its products and suppliers to create a personalized experience for each shopper using the site and app. Fy was launched in 2017 driven by a mission to make the world of designdiscoverable, affordable, and instantly accessible through social commerce.
• Chargifi — Easy hybrid workplace management software supporting desk booking, conference room booking, Visitor management, and people coordination.
• Much Better Adventures — Join like-minded people on an award-winning adventure. Unique and flexible small group adventures without the logistical headache, helping wild places thrive one adventure at a time.

Portfolio highlights

• Too Good To Go — The app that lets customers rescue unsold food from shops and restaurants to save it from going to waste. Try it today.
• Too Good To Go Denmark — Too Good To Go fights food waste primarily through our app.

Portfolio highlights

• Bio&Me — Bio&Me Gut-Loving Prebiotic Granola from The Gut Health Doctor. Only granola with an EFSA health claim "Good for your gut". High in fibre. No added sugar. 15 different plant-based ingredients (Seeds, Legumes, Nuts, Vegetables, Fruit, Wholegrains). Prebiotic. Vegetarian. Vegan. Chicory Root Fibre. For good gut health.
• BEPPS Snacks — Whether you're a health-conscious or indulgent snacker, our black-eyed pea treats are exactly what you need between meals. Discover delicious, nutritious food with BEPPS.
• Fearne & Rosie — Hello! Berry nice to meet you. Our mum says it's really important that we eat the berry best food. So we squish together natural ingredients to make tasty, fruity jams, honeys and spreads. MORE FRUIT, LESS SUGAR Just for you! Love, Fearne and Rosie x

Portfolio highlights

• Keia Ltd — From acupuncture to yoga, browse, compare and book on the world's most extensive wellness platform from the comfort of your phone, tablet or laptop.
• Epic Impact — Epic is the app that rewards you for buying ethical products that are better for the planet, and empowers you to do more good, from offsetting your carbon footprint to donating to good causes.

Portfolio highlights

• Fando — Sports & eSports : Fan Engagement Platform
• Epic Impact — Epic is the app that rewards you for buying ethical products that are better for the planet, and empowers you to do more good, from offsetting your carbon footprint to donating to good causes.
• BazaarNXT — B2B Marketplace for Packaging Materials, Manufacturing & Distribution

Portfolio highlights

• Oxwash — Powered by Vanish, Oxwash provides on-demand laundry and eco-friendly dry cleaning services, creating a simple and sustainable laundry service for all.
• Papaya — Papaya offers platform to source, run and manage your electric vehicles.

Portfolio highlights

• Oxwash — Powered by Vanish, Oxwash provides on-demand laundry and eco-friendly dry cleaning services, creating a simple and sustainable laundry service for all.

Portfolio highlights

• MacRebur — > The Macrebur website
• Next Industries — Next Industries provides motion detection and industrial IoT. Their self-designed products, such as data loggers, gateways, and sensors, provide internet of things technology and artificial intelligence algorithms. They supply simple-to-use products for the structural, infrastructural, energy, environmental, and industrial markets. They helpcompanies detect motion in order to prevent damage, increase safety and improve UX/UI by using IoT sensors, cloud analytics and artificial intelligence.
• IMS - Part of Trak Global Group — IMS is a vehicle and driving data business, delivering enterprise solutions to over 350 customers including insurers, mobility operators and governments.

Portfolio highlights

• Isometric — Isometric is a carbon removal registry and science platform
• Neoplants — The first generation of bioengineered to fight air pollution. We call them neoplants.
• Lilium — Lilium is developing sustainable, high-speed air mobility through its electric vertical take-off and landing aircraft, vertiports and digital service.

Portfolio highlights

• Isometric — Isometric is a carbon removal registry and science platform
• Riot — Meet Riot, the all-in-one platform that drives better protection for your team.
• SLAY — SLAY is a social gaming company.

Portfolio highlights

• Aiden — Reduce risk, enhance compliance, and simplify IT with modern, intelligent software packaging and deployment using Artificial Intelligence.
• Compaas — Compaas: The Compensation Platform | Total Visibility. Zero Spreadsheets. Painless raise cycles, compensation metrics, people analytics, rewards letters
• Provenance — Provenance is a software solution for sustainability communications and supply chain transparency.

Portfolio highlights

• ARROE — ARROE software extends the lifespan of battery powered electronics, to reduce carbon emissions and e-waste
• MindLabs — Live sleep and meditation classes for your mind. Led by experts. Backed by neuroscience. Now available to download on the App Store.
• Fanbase — Fan engagement software built for the business of sport. Launch digital ticketing, memberships, hospitality packages in a matter of hours.

Portfolio highlights

• Berri AI — A website made with Typedream.
• Anarchy — Anarchy builds a cloud platform for AI pioneers to build LLM tools augmented with external interactivity.
• Consensus — Consensus uses AI to extract and summarize scientific insights from peer-reviewed sources. For any question, what's the Consensus?

Portfolio highlights

• Turno — Turno Finance makes owning EV very affordable. Turno Club is a community around commercial EVs. Turno Battery Future is our solution to keeping batteries on the road for longer.
• Circular — We are making subscriptions the best way to experience tech. Circular aims to accelerate the circular economy and maximise the useful lives of each tech device to its fullest potential.
• Hubble Network — a Satellite network connecting billions of bluetooth devices. GLOBALLY.

Portfolio highlights

• Tab — The Guide helps travellers find your business and book direct. Payments by Tab helps you easily charge guest credit and debit cards in advance and in-person.
• Degreed — Degreed is the upskilling platform that connects learning, talent development, and internal mobility opportunities in one place. Learn More!
• GiveMeTap — The GiveMeTap bottles are the world's most giving water bottles. Every bottle you buy gives 5 years of clean water to a person in Africa & you get free water.

Portfolio highlights

• Hometree — Keep yourself warm with Hometree, and try our no price hike promise. Compare our different boiler & home cover plans to see how you can save.

Portfolio highlights

• Tribboo — Project management platform for construction SMEs
• Henchman — Effortlessly find the clauses you’re looking for by applying our AI to your existing contracts.
• Bizzy — All up-to-date information you need for the most transparent & reliable view on your business world.

Portfolio highlights

• Tumelo — Tumelo is an impact-focused financial technology firm. Our mission is to enable retail investors and pension members to create and benefit from a more sustainable investment system. We do this by partnering with investment and pension providers, enabling them to provide their customers with transparency over the companies they own and ashareholder voice on issues they care about, such as gender equality or climate change. Our solution is white-label software delivered via APIs and/or a user dashboard. Our software integrates with existing investment platforms improving customer engagement, acquisition and retention for providers.
• Provenance — Provenance is a software solution for sustainability communications and supply chain transparency.
• Openwater — OPENWATER - THE FUTURE OF NEURAL DIAGNOSTICS IN THE PALM OF YOUR HAND.

Portfolio highlights

• Yayzy — Your free carbon footprint calculator. Learn about your impact. Fund the best climate solutions. Plant trees. Fight climate change.
• LANDBAY — Your dedicated Landbay intermediary page for specialist buy-to-let mortgages. Partner with a lender who gives you direct decisions with a flexible approach and a full online application process.
• Riversimple — Riversimple is a new kind of business, designed from scratch to pursue our purpose: the systematic elimination of the environmental impact of personal transport. Our aim is mobility at zero cost to the planet. We’ve designed a radically new car (the Rasa) which emits nothing but a tiny amount of water and will do the equivalent of c250 mpg.Charging takes 3 minutes, and the range is 300 miles. We’re building a fundamentally new form of business system that aligns our interests with our customers’ and the environment’s. There’s no trade off between profit and purpose. We love what we’re doing and we hope you will too. We’re actively seeking commercial partners and employees. We’re always interested to hear from like-minded pioneering people and companies. We are excited to be coming to our first pilot market in the UK this year.

Portfolio highlights

• Spades — Guests Scan a QR code to view the menu and Pay, they can also Split the amount and Tip the staff. Now faster than ever.
• TeamOut — TeamOut offers an online platform to help remote teams find the perfect offsite.
• Morpho Labs — Morpho is an on-chain peer-to-peer layer on top of lending pools. Rates are seamlessly improved for borrowers and lenders while preserving the same guarantees. Morpho combines the efficiency of P2P with the liquidity of lending pools. Users enjoy an improved APY while maintaining the pool’s flexibility

Portfolio highlights

• Campus.edu — Campus.edu is a community college focused on maximizing access to world-class education.
• Campus.edu — Live courses with top professors.
• SPREAD — SPREAD create digital product perception like no machine understood before – less artificial, more intelligent!

Portfolio highlights

• CEPRO — Local renewables are fast becoming the most affordable way to supply energy, providing a unique opportunity to regenerate neighbourhoods, create long-term economic value and build climate resilience. Get in touch now: hello@cepro.co.uk

Portfolio highlights

• Eco Market — Eco Market enables sellers of ethical and eco products to easily create a shop to sell their products in our online marketplace. Since the site launched in October 2010 it has attracted hundreds of eco sellers selling over 7,000 unique products from across the world ranging from Fairtrade coffee, to handmade natural soap, to up-cycled tshirts.The website also simplifies the often complicated process of shopping ethically by explaining what each products ethical credentials and certificates mean. Shoppers can also learn more about each seller by interact with sellers reading interviews and interacting with them via the site's own social network and video system, where they can learn more about the story and people behind the products they buy.Our goal as a company is not only to give (often small one man band) sellers a platform to sell products but also to give consumers all the tools and information they need to demystify ethical shopping, and to create open debates about key issues that will help shape our planet.

Portfolio highlights

• Jua — A new paradigm in weather forecasting. AI learning physics. Delivering accuracy beyond expectation. Covering use cases beyond belief. Accessible to everyone, wherever in the world they are. The world's first end to end deep learning model for weather forecasting, delivered on an intuitive platform for anyone to customise it. Startups,governments and large companies alike can now develop global, high frequency and high accuracy weather models within days.
• Altruistiq — Altruistiq is a decision-making environment for business sustainability teams.
• RosieReality — Rosie is an educational app for iPhone and iPad. The app is perfect for curious kids of ages 9 and up. Kids program Rosie the Robot using magical 3D shapes to explore AR puzzles.

Portfolio highlights

• Altruistiq — Altruistiq is a decision-making environment for business sustainability teams.

Portfolio highlights

• KresusLabs — Kresus allows users to connect to their bank accounts and view their transactions, balances, and budgets.It supports a wide range of banks and financial institutions also allows users to categorize their expenses and view insights into their spending habits and uses end-to-end encryption to protect users
• Artera — Enable Cancer Therapy Personalization with Artificial Intelligence
• Mammoth — Mammoth is Mastodon for the rest of us

Portfolio highlights

• 32Co — 32Co is a medical technology platform that helps general dentists deliver clear aligner orthodontics to their patients.
• Safello — Safello is the Swedish way to buy crypto. Simple and secure with Mobile BankID and Klarna.
• Provenance — Provenance is a software solution for sustainability communications and supply chain transparency.

Portfolio highlights

• UrbanChain — Consumers, prosumers, and generators are welcome to make their marketplace.

Portfolio highlights

• Shellworks — Reimaging nature's packaging with beautifully sustainable, truly compostable alternatives to plastic for cosmetics and beauty products.
• Woola — A sustainable alternative to bubble wrap: protective e-commerce packaging made of leftover wool. Lightweight. Compostable. Customisable.
• 8B Education Investments — 8B African Education Investments helps African students succeed at global universities with tools, resources, and world-class support to master every step of their educational journey.

Portfolio highlights

• Taleemabad — Taleemabad - A home of adaptive learning for teachers, students, parents and school owners. Creative teaching methods with innovative technology.
• Silkhaus — A seamless, sophisticated experience you can rely on. Choose from the wide variety of furnished Boutique Flats and apartments for short and long-term stays from Silkhaus.
• Altruistiq — Altruistiq is a decision-making environment for business sustainability teams.

Portfolio highlights

• TruRating — Real People. Trusted Feedback. Say goodbye to dry analytics, low survey response rates and cart abandonment. Say hello to Trurating.
• Hometree — Keep yourself warm with Hometree, and try our no price hike promise. Compare our different boiler & home cover plans to see how you can save.