Top 50 Sustainability Angel Investors in Australia (August 2026)

Portfolio highlights

• 3E Group —
• Relectrify — Unlocking extra lifetime and performance of batteries via advanced battery management (BMS) technology.
• Gridcog — Gridcog provides holistic software to plan, track, and optimize your transition to a decentralized and decarbonized energy future.

Portfolio highlights

• Battery Pollution Technologies — Battery Pollution Technologies is establishing a national circular economy for lithium-ion batteries. Our comprehensive technology encompasses the entire lifecycle, from safe end-of-life management to eco-friendly repurposing and novel chemical recovery of critical battery materials.
• Dumaresq Solar Farm — Large Scale Solar Farm & Battery Storage Development based in northern NSW, Australia

Portfolio highlights

• QuickSafety — Now you can quickly and easily complete Certificate of Compliance in Sydney, Melbourne, Brisbane & New Zealand using the Quicksafety mobile app.

Portfolio highlights

• Relectrify — Unlocking extra lifetime and performance of batteries via advanced battery management (BMS) technology.

Portfolio highlights

• Refilled — Refilled is an eco-friendly company that offers smart drink dispenser vending machines to eliminate single-use plastic bottles.
• Trace — trace helps individuals and businesses go carbon neutral - measure (for free), reduce & offset your carbon footprint. Track your impact across our handpicked project portfolio including biodiversity in Australia.
• Bloom Impact Investing — Bloom Impact Investing provides an investment platform to investors wanting to make a difference to the environment. Join us to access clean energy and cleantech investment portfolios that your future self will thank you for.

Portfolio highlights

• Tpaga — Tpaga is a mobile wallet for unbanked consumers in Latin America. Currently in Colombia and Mexico.In Latin America, more than 50% do not have credit cards or bank accounts, but what they do have is a cellphone. Tpaga allows consumers to store money via cash kiosk ( 4,000 in our network) and then use it to pay utility bills, cell phone top-up,supermarket and even gas station merchants. We have become the first mobile wallet in Latin America to allow consumers to pay groceries without having a bank account, and allowing unbanked commerces to start receiving payment without have POS systems.
• Fiable — Embed financial health insights within your application using our world leading API service
• Bloodstock Advantage — Stealth

Portfolio highlights

• Cloobot Inc — Cloobot X: Your Premier Software Implementation transforms your vision into reality with our state-of-the-art software implementation studio. Leveraging cutting-edge AI technology, our expert team delivers rapid, efficient, and innovative solutions tailored to your unique business needs.
• Tokenise — Tokenise acts as a data layer for web3 projects and their tokens. We help founders build their tokens simply, mint/launch their tokens on-chain and then manage their tokens in one place. Tokenise enables founders to curate rich data rooms that make it easier for investors to get onboard. We empower community with unprecedented insights andaccessibility into their favourite projects and their tokens.
• Bloodstock Advantage — Stealth

Portfolio highlights

• PERKii — PERKii Targeted Release Probiotics are naturally micro-shielded to resist stomach acid up to 10,000x stronger than non micro-shield probiotics. For a targeted release in your gut and a difference you can feel. PERKii Probiotic Drinks are bottled with one billion or more probiotics per serve.
• Clipchamp — Create videos with royalty-free music and stock footage, use video templates, and export in up to 4K video resolution. Get started in-browser or download the Windows app.

Portfolio highlights

• EcoBites — EcoBites is a subscription service that delivers sustainably sourced and eco-friendly packaged snacks and meals to consumers doorsteps.
• Lawyeree — A platform offering AI legal advice to clients and allowing clients to be connected with the best lawyers.
• ZohoOptimizer AI — ZohoOptimizer AI is a platform designed to enhance Zoho’s suite of business applications by providing AI-driven process automation.

Portfolio highlights

• Book Your Own — Book Your Own is building an integrated travel ecosystem designed to unify India’s fragmented travel market.
• UrbanFarmers — UrbanFarmers is a platform that connects city dwellers with local urban farms and community gardens.
• Excel And Impact Agro — Excel And Impact Agro aims to tackle the chronic shortage of vegetable production in Côte d'Ivoire.

Portfolio highlights

• Agronomeye — Agronomeye uses the power of 3D farm modelling to transform your decision-making process.
• Sumday — Non - financial accounting software. Start carbon accounting, properly, with the support of your existing advisors
• Marlee (Fingerprint For Success) — AI technology to bring out the best in your team. Start now for free. Trust in more than 1 million coaching minutes, rated 4.4 out of 5 with a 90% success rate.

Portfolio highlights

• MGA Thermal — MGA Thermal, specialists in thermal energy storage technology. Renewable, high-power, economical, modular, safe and sustainable thermal storage solutions.
• Orkestra — Orkestra is a renewable energy software platform that provides tools to assist energy companies in the planning, selling, and optimization of new energy deployments.
• National Renewable Network — National Renewable Networks - Leading the future of renewable energy across Australia

Portfolio highlights

• TokenOne — TokenOne is a Cyber Security software company that makes it easy to replace passwords, tokens and other forms of authentication with a more secure solution.
• Expert360 — Hire elite consultants, project managers, data analysts, designers, and developers for your most important local & remote work
• StorReduce — The Pure Storage Platform provides always-on data protection solutions for a scalable, resilient architecture for backup and recovery to ensure rapid disaster and ransomware recovery.

Portfolio highlights

• Refilled — Refilled is an eco-friendly company that offers smart drink dispenser vending machines to eliminate single-use plastic bottles.
• YourGrocer — YourGrocer operates an online fresh food market for busy people. It offers fresh produce, bakery, meat, seafood, deli and grocery, organic, and coffee products. The company was founded in 2013 and is based in Brunswick East, Australia.
• Bloom Impact Investing — Bloom Impact Investing provides an investment platform to investors wanting to make a difference to the environment. Join us to access clean energy and cleantech investment portfolios that your future self will thank you for.

Portfolio highlights

• Pathzero — Pathzero's carbon management platform enables any business to start disclosing corporate carbon emissions and the actions being taken to address them.
• Mys Tyler — Finally, an app that brings you body-relevant fashion inspiration. Discover like-minded, like-bodied creators sharing the outfits they love on Mys Tyler.

Portfolio highlights

• FL0 — FL0 is a component driven platform that allows engineers rapidly build backends to power any digital application.
• Linktree — Linktree is a social media startup company that offers a platform to enhance the internet presence of influencers and e-commerce stores. They help brands, artists, publishers, agencies and influencers better control their presence online. They are a team of developers, designers, marketers, and biz ops, committed to equipping content creators withthe best tools for getting their work seen.
• Who Gives a Crap — We make super-soft, 100% recycled toilet paper, and we donate 50% of profits to build toilets in the developing world. Good for your bum, Great for the world!

Portfolio highlights

• Reejig — Reejig is the Work Operating System for AI-powered work. Critical infrastructure for AI-powered work. The platform enterprises use to see how work runs, build AI workflows, orchestrate agents, and drive adoption.Reejig unifies work architecture, work context, and AI orchestration on one enterprise-grade system. Architects use Reejig to design amodern foundation for jobs, tasks, and skills built for humans and agents. Builders use Reejig to deploy AI into real workflows, track agent performance, and deliver every employee their upgraded way of working. Both run on the same system.Work architecture out of the box. Day one. Agent-agnostic by design, Reejig orchestrates any enterprise agent stack.Reejig runs inside Fortune 50 enterprises. Architects design the house. Builders make it real. We build the way the world works.
• Reejigs — Reejigs aggregates all skills, experience and knowledge to augment our collective intelligence about people, skills mapping and career pathing so that we can all learn faster and be insanely good at what we do. Skills are the currency of today’s world of work. Reejig continuously identifies, analyses and manages all the skills within your talentecosystem into one, super intelligent platform.
• Dovetail — Make sense of all kinds of customer research in one intuitive, collaborative, and searchable research repository.

Portfolio highlights

• pebblar — Pebblar offers a new way to plan a travel. Pebblar does not automate this process, but to simply make it easier and more efficient - so anyone can get to get to the fun stuff quicker and spend less time mucking around with spreadsheets and word documents.
• Porter & Sail — Porter & Sail is changing the way consumers book hotels, offering flexible booking and exclusive savings on hotel experiences to travelers seeking community, connectivity and culture. Porter & Sail partners with the world’s best independent hotels to curate value-driven travel opportunities and experiences that can be redeemed now or later.Porter & Sail was founded in 2015 by Caitlin Zaino von During and Deepak Shrivastava with a focus on building technology to support a modern travel lifestyle, both for leading hotels and the next generation of travelers. Today, Porter & Sail drives sustainable travel forward by supporting independent hotels and their local economies while inviting customers to once again revel in the joy of travel planning with low-risk, high-reward purchases.
• Allume Energy — Apartment residents can finally unlock rooftop solar, thanks to Allume's world-first smart hardware SolShare; the leading global shared solar technology.

Portfolio highlights

• Vyro — Browse, compare and finance an electric car, with instant trade in and personalised loans.
• Minke — Send, save and invest crypto with zero fees and an experience as intutive as your bank.
• Cor — Obi by Cor is the leading voice AI agent for customer onboarding and user activation. It uses voice and on-screen awareness to guide users, share best practices, and answer questions in real time.

Portfolio highlights

• wagetap — Wagetap empowers how you pay and get paid. Access your wages when you need them the most.
• Hola Health — 24 hour online doctors & GP consults via telehealth appointments in 15 minutes. Get instant scripts online, medical certificate online anywhere in Australia.
• MGA Thermal — MGA Thermal, specialists in thermal energy storage technology. Renewable, high-power, economical, modular, safe and sustainable thermal storage solutions.

Portfolio highlights

• Good On You — Thousands of brand ratings, articles and expertise on ethical and sustainable fashion. Know the impact of brands on people and planet, and discover better fashion.
• The Knotty Ones — The Knotty Ones manufacture wool sweater products. Their products include cotton sweaters, cardigans, crocheted bottoms, kids' cotton sweaters, and accessories. They also provide online shopping and delivery services. The female-founded factories of The Knotty Ones use 100% biodegradable yarns that are not only good for wardrobes but also goodfor the environment. The Knotty Ones helps independent female artisans and female-founded factories in rural Lithuania make knitwear, giving them financial independence and a voice in their homes and communities.
• Common Objective (CO) — Join the community committed to best practice, access training and sourcing solutions. .

Portfolio highlights

• Gridcog — Gridcog provides holistic software to plan, track, and optimize your transition to a decentralized and decarbonized energy future.

Portfolio highlights

• Vyro — Browse, compare and finance an electric car, with instant trade in and personalised loans.

Portfolio highlights

• ULUU — ULUU is an ocean material that replaces plastic and actively benefits the world.

Portfolio highlights

• Heaps Normal — Heaps Normal is an independent, alcohol-free beer company supporting everyday legends to dial the good times up to 11 and still perform at their best the next day.
• Who Gives a Crap — We make super-soft, 100% recycled toilet paper, and we donate 50% of profits to build toilets in the developing world. Good for your bum, Great for the world!

Portfolio highlights

• QuickSafety — Now you can quickly and easily complete Certificate of Compliance in Sydney, Melbourne, Brisbane & New Zealand using the Quicksafety mobile app.

Portfolio highlights

• Everproof — Enabling organizations and individuals to monitor and verify qualifications, licenses and certifications through one online account.
• Gridcog — Gridcog provides holistic software to plan, track, and optimize your transition to a decentralized and decarbonized energy future.
• New Energy Transport — New Energy Transport is a trucking company that provides logistics and freight services.

Portfolio highlights

• ULUU — ULUU is an ocean material that replaces plastic and actively benefits the world.

Portfolio highlights

• Toast Ale — Toast ale is an award-winning craft beer brewed with surplus fresh bread that would otherwise be wasted. All profits go to the charity, Feedback, to end food waste.
• Freja — Award-winning bone broths from Freja Foods. Responsibly sourced and conveniently packaged, Freja bone broth is available online and via leading retailers.
• Basecamp Research — Novel proteins from nature. We sample the most extreme and exciting places on the planet to build the world's largest knowledge graph of natural biodiversity.

Portfolio highlights

• Voltavate — Voltavate is dedicated to driving innovation in battery technology to support the global transition towards sustainable energy solutions.

Portfolio highlights

• Pathzero — Pathzero's carbon management platform enables any business to start disclosing corporate carbon emissions and the actions being taken to address them.

Portfolio highlights

• Zero Co — We deliver incredible personal-care and home-cleaning products direct to your door, minus all the single-use plastic. Order your box of planet-friendly, plastic-busting products and win the war on waste at your place. For good!
• SECOND FIT — Join Second Fit, the preloved fashion app for Australian women. Buy, Sell, and Ask about clothing in a safe, all-female community. Discover our vision, mission, values, and the user-friendly app design that makes fashion sustainable and accessible.

Portfolio highlights

• QuickSafety — Now you can quickly and easily complete Certificate of Compliance in Sydney, Melbourne, Brisbane & New Zealand using the Quicksafety mobile app.

Portfolio highlights

• CIM — CIM's award-winning analytics platform helps run your buildings at peak operational efficiency and achieve critical sustainability goals.

Portfolio highlights

• ULUU — ULUU is an ocean material that replaces plastic and actively benefits the world.

Portfolio highlights

• GeoMoby — Location Intelligence platform specialised in geofencing and location tracking solving real world problems in several industries from mining to retail.
• Atomation — Deploy wireless IoT sensors in minutes - no wiring or IT infrastructure required. Alert-based condition monitoring for industrial operations.

Portfolio highlights

• Orkestra — Orkestra is a renewable energy software platform that provides tools to assist energy companies in the planning, selling, and optimization of new energy deployments.

Portfolio highlights

• Pathzero — Pathzero's carbon management platform enables any business to start disclosing corporate carbon emissions and the actions being taken to address them.

Portfolio highlights

• Solar Analytics — Our smart solar software helps you get more value from your solar system. Get more confidence, more savings, and more insights.

Portfolio highlights

• Okra Solar — Okra Solar is an IoT technology solution that enables solar generating communities to share and utilize more energy. It is a plug-and-play smart grid technology that enables rapid electrification for last-mile communities. Using mobile payments, modular grid design, and remote monitoring, they provide utility companies with a low-cost, data-drivensolution to operate solar networks in hard to reach communities. They are on a mission to connect off-grid communities to the modern economy.Okra Solar was founded in 2016 and is headquartered in Sydney, Australia.
• Pollen — Pollen is your liquidation operating system & AI co-pilot for aged, unsold, obsolete inventory. Avoid business waste and destruction by automating workstreams, unlocking the power of pricing analytics, and empowering teams to take action for more sustainable outcomes.
• GetSolar — GetSolar (formerly Solar AI) is a reliable solar company in Singapore that makes it easy for property owners to install solar systems with zero upfront cost.

Portfolio highlights

• Voltavate — Voltavate is dedicated to driving innovation in battery technology to support the global transition towards sustainable energy solutions.

Portfolio highlights

• Voltavate — Voltavate is dedicated to driving innovation in battery technology to support the global transition towards sustainable energy solutions.

Portfolio highlights

• Voltavate — Voltavate is dedicated to driving innovation in battery technology to support the global transition towards sustainable energy solutions.
• Vertus Energy — We innovate to make fossil natural gas extinct.

Portfolio highlights

• Irreducible — Ulvetanna provides fast and cost-effective computation of zero-knowledge succinct proofs. We operate FPGA clusters tailor-made for ZKP computation at scale, purpose-built to support Layer-1 and Layer-2 blockchain protocols.
• NEBRA Labs — NEBRA Labs is a blockchain services company.
• Reown — Essential decentralized infrastructure moving billions in value monthly. Powered by 20+ world-class node operators, 700+ wallets, 70K+ apps, and millions of users.

Portfolio highlights

• Solar Analytics — Our smart solar software helps you get more value from your solar system. Get more confidence, more savings, and more insights.

Portfolio highlights

• Vyro — Browse, compare and finance an electric car, with instant trade in and personalised loans.
• Nullify — Nullify performs product security tasks alongside your developers.
• iNSPIRETEK — More Than (Just) An Athlete Management System We go further by empowering young athletes, coaches, parents, teams and sporting organisations to gain insight into mental health and wellbeing through tracking, evidence-based content, support and interventions through our Prevention-via-Prediction platform. Our accessible and affordable WMS focuses on the whole athlete, not just their

Portfolio highlights

• Staris — Staris is an AI-powered application security platform that continuously finds, proves, and explains exploitable vulnerabilities. Reduce false positives and validate real application risk with business context.
• Zero — Protect your devices and gain access to websites. Round-the-clock customer support. VPN for Windows, Android, macOS, iOS, and routers. Free trial period.
• Mirai — On-device SDK (developer suite) for running highly optimized inference, fine-tuning, and operating LLMs and other deep learning models on the device. We aim to make it easy for developers to choose and route the query to the right model and deploy it to the device in a couple of clicks.Mirai is addressing a significant gap in on-device AIinference and training. Current cloud-based models face high latency, privacy concerns, and reliance on constant connectivity. Developers also struggle with high costs for personalization (e.g., $100M per year for 1M MAU) which is the most crucial pain point now and a core of our GTM. There’s no existing developer-friendly solution for on-device mobile AI, fine-tuning, and management. Our vision involves expanding from a robust SDK to include a developer console for model management, benchmarks, and fine-tuning.

Portfolio highlights

• Pathzero — Pathzero's carbon management platform enables any business to start disclosing corporate carbon emissions and the actions being taken to address them.

Portfolio highlights

• QuickSafety — Now you can quickly and easily complete Certificate of Compliance in Sydney, Melbourne, Brisbane & New Zealand using the Quicksafety mobile app.

Portfolio highlights

• ULUU — ULUU is an ocean material that replaces plastic and actively benefits the world.