About the Event

Green IO London 2026 runs September 30 to October 1 at Convene Sancroft, St Paul's, London, in partnership with apidays. It is part of the Future Of Software Technologies (FOST) federation of tech conferences and moves to a bigger venue than the 2025 edition.

Audience and Attendees

The conference draws IT sustainability practitioners, industry leaders and innovators from London's Green IT ecosystem and corporate partners. The 2025 London edition drew more than 300 responsible technologists.

Programme Structure

The event centers on candid conversations between practitioners and leaders, panel discussions, and thought-leadership talks paired with hands-on use cases.

Main Topics

Sessions cover green software, sustainable design, responsible AI, and low-carbon CloudOps and GreenOps practices for decarbonizing tech stacks.

‍