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

Portfolio highlights

• Kohbee — Kohbee is a mobile app for Creator-Educators to run online business and create personal brand. With Kohbee you can build your website and sell live courses.
• Agnikul — Agnikul Cosmos designs and manufactures orbital-class launch vehicles powered by 3D-printed engines. From custom payloads to affordable private launches, we make space access simple, scalable, and mission-focused.
• 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.

Portfolio highlights

• Oraion — Your single source of truth for enterprise data
• Capsa AI — Providing next-generation investors with a competitive edge.
• Habito — We're the Treating Customers Fairly Champion of 2023 as voted for in the British Bank Awards. We're here to make mortgages easier - no paperwork, no stress and no fees.

Portfolio highlights

• Yupp — Every AI for everyone
• Subtle Computing — Introducing Voicebuds. A device that hears only you, even at your quietest.
• Vantage Discovery — Vantage Discovery is a generative AI-powered SaaS platform that enables intelligent search, discovery, and personalized recommendations so apps can deliver breathtaking customer experiences.

Portfolio highlights

• Metagood — Metagood is the operating layer for tokenized assets across their full lifecycle: compliance, transfer rules, entitlements, corporate actions, and audit.
• Tem-Energy — Power, as it should be. We've reinvented how energy is bought and sold, so businesses pay less and generators earn more.
• ReBorn® Homewares — ReBorn purpose is to transform the sustainability of the global homewares industry. We are committed to creating the most stylish and planet-friendly homewares, and driving collective change in the UK and beyond .Our five key principles are: 1.Recycling Waste 2.Local production 3.Circular Design 4.Stylish Solutions 5.Collaborative Power

Portfolio highlights

• Hubflo — Hubflo is building an all-in-one work OS to help small businesses manage their business. Instead of having 10 complicated and expensive pieces of software, Hubflo offers SMB everything they need to run their business (CRM, projects, invoicing, expenses...) in a single comprehensive, simple and affordable platform.
• Tetra AI — Tetra AI is a health technology firm that has created an AI-powered software platform designed to assist hospitals in managing surgical waiting lists and operating room schedules. The system evaluates patient lists, staff availability, and theatre capacity to generate optimized surgical plans that minimize delays and improve resource utilization.It is mainly employed by NHS hospitals and operational teams to enhance elective care performance within the limits of available resources.
• Sidekick — Expertly-managed portfolios for the modern investor

Portfolio highlights

• Metagood — Metagood is the operating layer for tokenized assets across their full lifecycle: compliance, transfer rules, entitlements, corporate actions, and audit.
• Tem-Energy — Power, as it should be. We've reinvented how energy is bought and sold, so businesses pay less and generators earn more.
• ReBorn® Homewares — ReBorn purpose is to transform the sustainability of the global homewares industry. We are committed to creating the most stylish and planet-friendly homewares, and driving collective change in the UK and beyond .Our five key principles are: 1.Recycling Waste 2.Local production 3.Circular Design 4.Stylish Solutions 5.Collaborative Power

Portfolio highlights

• Vizzy — Vizzy lets you showcase your wins, passions, ideas and personality to employers. Build a free profile and get discovered by companies that want to know the real you.
• Implement AI — Implement AI provides managed AI agents to organisations that want to put AI to work.
• Tonic Health — Tonic Health is leading a nutrition movement. The 1 million strong community that subscribes to all-natural, high-impact vitamin drinks and gummies to fuel your energy, mood and immunity without the junk. Try our tonic effervescent vitamins drinks, no added sugar gummies, or max strength drinks.

Portfolio highlights

• LiveNinja — Business communication solutions from net2phone streamline workflows, effortlessly collaborate, and build customer relationships that last.
• 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

• Firenze — Firenze aims to expand financial services by extending investment-backed lending to a wider audience, recognizing its importance in wealth creation and preservation. The founding team aims to democratize Lombard lending, making it accessible to all, while focusing on mass affluent clients.
• farillio — They know first-hand how tough it can be to start out in business – and that keeping your business going strong doesn’t get easier. They understand how not knowing, or having access to what you want, gets in your way. They understand how that wastes your time, makes you unnecessarily anxious and costs you way too much money. They know law,business and technology inside out. Their team members have won awards for legal advice, excellence in technology, built online banks, apps and wearables. They’ve held relevant senior roles in leading, progressive household brands, and almost all of us have founded at least one business before. Their experience tells us there’s a better way to do business, and they knew the very best people to build their solution. So, they have joined together with a brilliant community of legal and business experts, each committed to making sure that you can run your business on your terms and in the Farillio way – simply, quickly, confidently and affordably.
• Project Etopia — Connecting energy, construction and intelligent technologies to revolutionise the built environment and shape a sustainable future.

Portfolio highlights

• Atheni AI — Guided AI adoption: the thinking of a top consultancy, the 1:1 personalisation of a coach, delivered at the scale of a platform. Capability, not access. Independent by design.
• Zefir — An all-in-one platform that allows people to sell or buy in one simple, certain transaction
• Pharmacierge — Pharmacierge is the award-winning 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.

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 — The Asenion AI Governance, Risk and Compliance Management Platform delivers Fast AI with Assurance, Integrity, and Reliability, enabling technology and policy experts to connect and collaborate, bridging the AI oversight gap seamlessly.

Portfolio highlights

• Bourn — Bourn's technology is designed to automate cash flow management, offering SMEs fast access to capital.
• Alfa AI — Alfa AI is a recruitment technology company specializing in AI-driven hiring solutions.
• Emblematic — The first AI-driven Agentic Automation platform, designed to fully automate and enhance the accuracy of Finance Operations, including Bookkeeping, IFRS/GAAP Compliance, Reconciliations, and more.

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.
• Signal AI — Explore Signal AI's reputation management and risk intelligence solutions. Signal AI provides companies with actionable insights designed to navigate enterprise risk, strengthen reputation, and fuel growth.

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

• Zeigo — Zeigo by Schneider Electric provides sustainability software for efficient carbon reduction and supply chain decarbonization, aiming for a carbon-free future.
• RootWave — RootWave is an electronics company that develops tools that kill weeds it enables farmers to control weeds on their farm. Its technology is an alternative substitute for herbicides and other weed control chemicals. The company was founded in 2012 and headquartered in Warwickshire, United Kingdom.
• Sniffer Robotics — Comprehensive methane emissions detection and quantification, advanced imagery and analytics; Sniffer Robotics provides advanced solutions that benefit the environment.

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.
• KatKin — We design a personalised, fresh and perfectly portioned meal plan for every cat, using their age, weight, activity level and current body shape. We ensure every cat gets the right amount of nutrients and daily calories, just for them.
• 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.

Portfolio highlights

• Bequest — Digital estate planning made easy for professionals and individuals. Securely protect online accounts, cryptocurrencies, emails, media, documents and more.
• Disputed — FinLegal is legaltech for the business of disputes. Our solutions allow you to fund and insure your litigation through litigation funding and after-the-event insurance, automate volume and class actions and get more clients through working with marketing service providers.
• Robin — Robin AI is a legal tech company based in London, made up of engineers, lawyers, scientists and operations specialists.

Portfolio highlights

• Ankar AI — Your AI Operating System for Patents
• Wordsmith AI — Advanced legal AI for in house legal teams
• Clove — Building the financial institution of the future, to make money make sense.

Portfolio highlights

• a0.dev — a0.dev enables mobile developers to efficiently create high-quality applications by generating customized React Native projects.
• Bindwell — Making new pesticides with AI
• Revision Dojo — Thousands of practice questions, study notes, and flashcards, all in one place. Supercharged with Jojo AI.

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.
• BEPPS Snacks — BEPPS Snacks are chickpea snacks with black-eyed pea inclusions that pack a flavourful punch.
• Masaj — Modern bodywork in our beautiful studios across London. We offer 8 different treatment types, all of which are totally bespoke to you and your needs. Drop in today.

Portfolio highlights

• Aquaria — Aquaria provides solutions to secure access to clean water. The organization adapts its approaches based on the needs of these communities. It addresses water-related challenges through various methods.
• Delphi — Delphi turns your expertise into an always-on presence, so you can grow your reach, serve your audience, and lead with clarity, without burning out.
• Cambridge Terahertz — Cambridge Terahertz, a leader in terahertz (THz) imaging technology, offers an AI-powered Concealed Weapons Detection (CWD) solution to enhance workplace security. Our patent-pending system can see through clothing, luggage, plastic, paper, ceramics, and cardboard to detect concealed threats, including firearms, knives, and explosives.

Portfolio highlights

• Goodvest — Goodvest is an investment app (life insurance) that builds a better world, in line with your values and promoting performance.
• OneFlash — OneFlash is an application that allows users to rent mobile power banks from stations. Users can geolocate battery stations and unlock a mobile battery within three clicks, enabling users to rent the mobile power banks from stations and return them to any other stations and enabling store owners to increase the time of presence of their customersand boost customer satisfaction.The company was founded in 2019 and is based in Paris, France.
• Shellworks — Reimaging nature's packaging with beautifully sustainable, truly compostable alternatives to plastic for cosmetics and beauty products.

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

• 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

• 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.
• PackBenefit — PackBenefit, a European specialist in high-performance fiber-based food packaging.

Portfolio highlights

• Buo — BUO researches and negotiates with secondary brands that, in its opinion, are of comparable quality to the big names but at a lower price. BUO believes in providing local and smaller firms a chance that are having difficulty getting a foothold with traditional wholesalers.
• Holaglow — Holaglow is an aesthetic medicine and cosmetic dermatology provider of personalized services.
• Spathios — Book the best spaces in your city by the hour, in 3 clicks.

Portfolio highlights

• Onfido, an Entrust company — Onfido digitally proves a user’s real identity using AI technology, by verifying their photo ID and comparing it to their facial biometrics. It means users and businesses can verify their online identities anywhere and anytime, without compromising on experience, inclusion, privacy or security. Onfido powers over 1,500 fintech, banking, andmarketplace clients globally—helping them onboard more users while reducing risk. Identity underpins all transactions, and over the coming years, access to everything will be based on every user's ability to easily and securely prove their legal identity. This will change how we think of access—everything from opening a bank account to self-checking-in to a hotel, and ultimately voting.
• Provenance — Provenance is a software solution for sustainability communications and supply chain transparency.
• Hinge Health — The #1 clinic for joint & muscle pain. Join today and take control of your pain with access to our personalized virtual physical therapy program

Portfolio highlights

• Unitary — We detect harmful content with context-aware AI to keep brands and platforms safe online.
• Cordless — Bridging the gap between voice and text
• Fabric — Fabric is an AI-powered workspace and file manager for people and groups.Fabric is a self-organizing multiplayer workspace.

Portfolio highlights

• Desia — Desia provides advanced AI applications for productivity, automation, and analytics for financial services.
• StackOne — Accelerate your SaaS growth with our unified API solution for HRIS, ATS, and CRM. Say "yes" to customers, build advanced integrations quickly, and experienced the best data privacy controls in the market.
• Tranched — Introducing real-time on-chain securitisation. Fintech Lenders and Professional Investors can now launch an institutional-grade transaction up to 90% faster than before.

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 — BazaarNXT is an e-commerce company that optimizes the packaging procurement for Businesses using technology. It is a modern, futuristic, and extended version of the local bazaar. BazaarNXT was founded by Gaurav Badharkhe and Dhananjaya S. in 2017 and is headquartered in Karnataka, India.

Portfolio highlights

• Bud — Bud uses Open Banking to help financial companies to access and make sense of messy financial data.
• Sardine — Solve risk, compliance, and payments with one powerful API.
• TILT — Tilt is a live auction app where you can bid on clothing, sneakers and rare collectibles in real time. Join live stream auctions across the UK and Europe. Download on iOS and Android.

Portfolio highlights

• Piclo — Piclo is an independent marketplace making electricity grids smart, flexible, and sustainable. The Piclo marketplace enables renewables, batteries, and electric vehicles to provide local flexibility to distribution networks, easing the complex transition to a low-carbon future and delivering low-cost and resilient grids. It encourages greaterparticipation, standardization, and scale in order to level the playing field and accelerate the transition to Net Zero.
• SMPnet — Revolutionising power grid management with cutting-edge solutions. Join us to shape a sustainable and efficient energy landscape.
• Interpac — Interpac has developed a new packaging production system the corrugator which does not use steam in the manufacturing process. The Interpac system is a revolutionary process that enables on-demand production which significantly reduces packaging costs and emits 90% less greenhouse gases than conventional processes.

Portfolio highlights

• Bequest — Digital estate planning made easy for professionals and individuals. Securely protect online accounts, cryptocurrencies, emails, media, documents and more.
• Disputed — FinLegal is legaltech for the business of disputes. Our solutions allow you to fund and insure your litigation through litigation funding and after-the-event insurance, automate volume and class actions and get more clients through working with marketing service providers.
• Robin — Robin AI is a legal tech company based in London, made up of engineers, lawyers, scientists and operations specialists.

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 — Chargifi empowers synchronous work, orchestrating people and spaces to get the best work done, wherever, whenever and with whoever they choose. We enable the realtime and dynamic orchestration of people and spaces so companies can adopt flexible working at scale. Where, when and who work is done with is now fully intentional, and this is at theheart of workplace experience.
• Much Better Adventures — Much Better Adventures global network of specialist marketplaces are making it a doddle to book active holiday and experiences, whilst their SaaS reservation platform empowers local operators around the world with the online reservation and sales tools they need to make a great living doing what they love.

Portfolio highlights

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

Portfolio highlights

• Skrap — Skrap is an on-demand mobile marketplace for skip hire and other waste collection services.
• Growth Street — Growth Street offers UK businesses a faster alternative to bank overdrafts.They see that many growing businesses need flexibility to manage their cashflow. Whether it’s managing the seasonal cycle of business or balancing invoice payments against outgoings, managing cashflow can take a lot of time, focus and energy. Often balancing the booksmeans delaying payments, leaning on suppliers or juggling costs, which can suck up your time, put pressure on your supplier relationships and generally make businesses less efficient.

Portfolio highlights

• Skrap — Skrap is an on-demand mobile marketplace for skip hire and other waste collection services.
• Fertifa — Fertifa is an innovative employer benefit solution making fertility care more accessible and affordable.The company works with employers to offer a valuable employee benefit which bridges the gap between an employer and their employees when dealing with the sensitivity and privacy of employees’ reproductive issues. It also offers guidance andadvice, next-generation fertility treatment, and access to a range of holistic services for the best chance of success. The company was founded in 2019 and based in London, United Kingdom.
• Volter — Volter software offers a comprehensive solution for commercial and industrial property owners to deploy, manage, and improve solar assets.

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.
• Syd Life AI — Predictive population analytics for enterprise & AI virtual companion for employees
• Juniper — Juniper is a reproductive healthcare insurance provider.

Portfolio highlights

• Skrap — Skrap is an on-demand mobile marketplace for skip hire and other waste collection services.
• Jump — Launched in late 2018 after 2 years of R&D supported by competitive grant funding from the UK & NL Government, Jump is a people analytics platform that gives everyone a chance to succeed. By understanding what makes people unique and linking this to business outcomes, Jump gives more personalised job recommendations to professionals, inturn attracting much better job applications to businesses. Win:win for both!Jump is backed by outstanding investors whose successes include Revolut, CarWow, GoodLord, Magic Pony and many others. Jump collaborates with Imperial College and other top UK Universities in the development of the data science and algorithms behind Jump.Looking for new career options or just a change of scenery? Sign up and receive personalised job matches - absolutely and always for free - at https://app.jump.work/jobsLooking to transform your talent attraction using people analytics? Drop me a note and we can chat!
• Rightcharge — Simplify fleet electrification with Rightcharge. The all-in-one platform for automated home reimbursement and public charging cards; all on one bill.

Portfolio highlights

• Keia Ltd — Keia is the online destination that connects practitioners and consumers of wellness services, spanning 27 areas and growing, with a mission to make wellness services accessible and affordable for all. Using technology, Keia supports healthcare professionals to reach new heights with its best-in-class suite of cloud-based business managementsoftware which is designed to make it easy for them to manage and grow their businesses.
• 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

• Sock Finance — Sock is a mobile finance app that is the easiest way in the world to earn interest (yield) on your crypto. With Sock, you can send crypto, invest, and earn with crypto anywhere in the world while maintaining self-custody.
• VIZTA DGTL — VIZTA is an innovative gaming studio at the forefront of significant technology shifts and increasing demands from new generations and various consumers.
• Sunnyside — Sunnyside is the #1 alcohol moderation app helping 600,000+ people drink less through tracking, coaching, and optional naltrexone via telehealth. Start your free 15-day trial.

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 — Too Good To Go app is the world's largest surplus food marketplace. Download now and enjoy good food at 1/2 price or less, help the environment and reduce food waste.

Portfolio highlights

• Too Good To Go — Too Good To Go app is the world's largest surplus food marketplace. Download now and enjoy good food at 1/2 price or less, help the environment and reduce food waste.
• Too Good To Go Denmark — Too Good To Go app is the world's largest surplus food marketplace. Download now and enjoy good food at 1/2 price or less, help the environment and reduce food waste.

Portfolio highlights

• Stackfix — Stackfix operates as a software comparison platform.
• Rivan Industries — Rivan Industries designs and builds modular, vertically integrated, synthetic fuel plants.
• Asymmetric Security — Asymmetric Security is an AI-native cybersecurity startup specializing in digital forensics and incident response. It combines elite forensic experts with proprietary AI to accelerate investigations, especially Business Email Compromise (BEC) attacks, at less than half the cost of competitors while shrinking timelines from days to hours.

Portfolio highlights

• CitizenX — CitizenX is the world's first platform to help you find and fund places that welcome you as a citizen. Secure a safe haven and travel freely across the globe with a passport from your new home(s).
• Talyn Air — Inspired by two-stage rockets, our innovative eVTOL uses two flight vehicles to transform flight. Fixed-wing performance with VTOL capabilities.
• CaSRevolution — A novel disease-modifying approach against neurodegeneration

Portfolio highlights

• Robin — Robin AI is a legal tech company based in London, made up of engineers, lawyers, scientists and operations specialists.
• iSIZE Technologies — Sony Interactive Entertainment is a global leader in the interactive entertainment industry, creating innovative gaming experiences, platforms, and technology for players worldwide.
• Breathe Battery Technologies — Breathe Battery Technologies is a research-led technology company developing advanced battery management algorithms

Portfolio highlights

• Soil Link — Soil Link is a platform to trade soils & aggregates. It is a hub for construction projects in the UK to register surplus or required, soils & aggregates.

Portfolio highlights

• Whop — Whop is your home on the internet. You can discover interesting communities, meet cool people, and even start a business.
• CropSafe — Simplified insights & financing using satellite data to help you make more profitable decisions on the farm
• TreeCard — Treecard - the wooden debit card that plants trees. Sign up now to reforest the planet every day.

Portfolio highlights

• Shopperbird — Slow fashion on-demand app

Portfolio highlights

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