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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

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

Usage-Based SaaS, Hardware Sales

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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Circularity Fuels Comps

Public and private peers based on sector, stage, and business model.

Circularity Fuels comps — public and private peers by sector, stage, and business model
CompanyStatusEst. ValuationRev Multiple
OpenAIPrivate$86.0B~40x
CoherePrivate$5.0B--
Competitor 1Public$XX.XBXXx
Competitor 2Public$XX.XBXXx

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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

Circularity Fuels Filings

SEC and related filings with document metadata.

Data table
TypedDateAmount OfferedAmount SoldFillingPagesDownload
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Circularity Fuels Filings

SEC and related filings with document metadata.

Frequently Asked Questions

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Firmographic Details

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

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