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Circularity Fuels

Circularity Fuels

Private
Redwood City, CaliforniaEnergy & Sustainabilityhttps://www.circularityfuels.com/

Last Round

Grant

Sep 16, 2025

Total Funding Raised

$12.28M

Momentum

Top 25%

of companies Caplight tracks

Company Overview

Circularity Fuels is a renewable fuels company that develops modular, electrified reactor technology to convert waste carbon streams, such as agricultural biogas, into sustainable aviation fuel and other synthetic hydrocarbons.

Sector

Energy & Sustainability

Verticals

Alternative Fuels, Renewable Energy, Carbon Capture, Waste Management

Business Model

B2B

Customer Profile

Hardware Sales, Usage-Based SaaS

AI Layer

Application

Keywords

sustainable aviation fuelSAFrenewable natural gasRNGmodular reactorsynthetic fuelsbiogas conversione-fuelsFischer-Tropsch synthesisdistributed energywaste-to-fuelcarbon captureelectrified reformingdecarbonization technologywaste methane

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Caplight Momentum Score

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Circularity Fuels Comparables

Compare Circularity Fuels with similar companies based on industry and business-model similarity.

Circularity Fuels comparables — related companies by embedding similarity
CompanySimilarityMarket Cap
Sora Fuel
81%
Lydian
77%
CAPHENIA GmbH
77%

Circularity Fuels Funding Rounds

Historical fundraising activity

Data table
RoundDateAmount RaisedValuationInvestorsSources
GrantSep 16, 2025
GrantApr 10, 2025
SeedFeb 5, 2025
Pre SeedFeb 5, 2025
GrantSep 15, 2024

Key People

Founding team and executive leadership

Fergus Noble

CTO & Co-Founder

Founding Team

Stephen Beaton

CEO

Executive Team

Circularity Fuels Investors

Notable investors and investment history

Market signals

Structured signals derived from secondary market and firmographic data.

  • Jun 20, 2026

    Monthly visitors increased 116% MoM.

  • Feb 5, 2025

    $3M round led by DCVC

Circularity Fuels Filings

SEC and related filings with document metadata.

Data table
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Circularity Fuels Filings

SEC and related filings with document metadata.

Frequently Asked Questions

Common questions about Circularity Fuels's valuation, stock price, and market status.

Firmographic Details

HeadquartersRedwood City, California
Employee Range7
Year Founded2024
Last FundingSep 16, 2025

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