22 greentech events in the UK (2026-27)
Pitch your startup and grow your network
Updated daily by John-Pierre ClarkUpdated daily by John-Pierre Clark| Startup Event | When | Where | Website | Topic | Grow your network |
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Looking for the best greentech events, conferences, and networking opportunities in the UK and Europe? While the majority of events listed here are UK-based, we also highlight major European conferences that are worth the trip for ambitious founders and investors.
Whether you're building carbon accounting platforms, developing renewable energy solutions, or exploring sustainable innovation, this page curates the most relevant UK and European greentech events for 2026 — including expos, pitch nights, demo days, and investor meetups.
From London's climate tech hub to rising centres like Cambridge, Glasgow, and Leeds – and top conferences in major European cities – these events offer a chance to learn from experts, meet co-founders, and get in front of active greentech investors.
You'll find a curated table below listing the top greentech events in the UK, with key info for each one — dates, location, topic focus, and a direct link to the organiser's website. We've also tagged events where greentech investors, VCs, and accelerators are expected to attend.
🗓 Explore the table below for:
- A complete UK greentech event calendar for 2026
- Filters for topics like carbon measurement, renewable energy, sustainability tech, climate analytics
- Event locations, duration, and website links
- Indicators for pitch opportunities and investor presence
👉 Want to explore other startup events? Check out the full startup events calendar, or dive into the greentech ecosystem with our curated lists of greentech venture capital firms, greentech angel investors, and greentech startups — or view the full greentech investor hub.
Frequently asked questions
This page tracks greentech startup events across the UK, including climate innovation events, sustainability conferences, founder meetups, demo days and investor sessions.
Greentech events are useful for founders, investors, operators, corporates, policymakers and suppliers working on sustainability, climate technology and environmental innovation.
Many greentech events attract climate-focused investors, angel investors, venture capital firms, grant bodies and corporate partners looking for scalable sustainability solutions.
Greentech events often include startups working in carbon accounting, circular economy, clean materials, climate data, waste reduction, sustainable agriculture and environmental monitoring.
Founders often use greentech events to research climate investors, discover funded sustainability startups and build relationships with partners across the UK green economy.
