Greenpixie

Summary active Updated May 18, 2026

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Location London, UK
Founded 2021
Latest Stage Series A
Total Raised £4.95M+
Website https://greenpixie.com
Sector
climate-tech sustainability cloud devtools ai-ml saas

Founders

John Ridd CEO & Co-Founder
William Tinney CTO & Co-Founder

About

Greenpixie is a London-based climate-tech startup, founded in 2021 by CEO John Ridd and CTO William Tinney, that builds usage-based sustainability data tooling for companies running workloads on hyperscaler cloud platforms including Amazon Web Services, Microsoft Azure, and Google Cloud 2. The company’s “GreenOps” platform measures and helps reduce the carbon emissions of cloud computing and AI workloads, with customers including Mastercard 1. Earlier funding includes a £250K pre-seed round in 2022 led by Ascension and a £50K Innovate UK grant in 2023 2.

Funding History

Date Round Amount Lead Co-investors
2026-05-18 Growth round £4.7M VERBUND (investment arm) Octopus Energy 1
2022-07-11 Pre-Seed £250K Ascension Angel investors 2

What Investors Say

No independently sourced investor quotes found at this time.

What Founders Say

No independently sourced founder quotes found at this time.

Sources

  1. Tech Funding News, “This startup helps Mastercard decarbonise its cloud and AI use. VERBUND and Octopus Energy just backed its £4.7M raise after seeing this pitch deck,” May 18, 2026. Accessed May 2026. https://techfundingnews.com/greenpixie-mastercard-decarbonise-cloud-verbund-octopus-energy-pitch-deck/↩↩

  2. UKTN, “Greenpixie secures £250,000 to measure cloud’s carbon emissions,” July 11, 2022. Accessed May 2026. https://www.uktech.news/climate-tech/greenpixie-first-raise-202207↩↩↩