Fundraising Fox
Zero Carbon Capital
Venture capitalPortsmouth · Pre-Seed–Seed · 4 people tracked
Not to be confused with Zero Carbon Capital (Venture capital · Portsmouth, GB)
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Investment thesis
Zero Carbon Capital invests in deep tech innovations aimed at decarbonisation, backing visionary scientific founders at the pre-seed and seed stages. As a first-money investor, the firm targets transformative scientific breakthroughs that can redefine industries by cutting both costs and emissions. It focuses on helping scientist-entrepreneurs move from the lab to fully-fledged companies, providing funding and hands-on support. The firm concentrates on European founders and industrial decarbonisation across areas such as recycling, industrial heat, grid technology, nuclear power, cement, and synthetic fuels.
Source: firm website, verified Oct 2, 2026.
Team · 4 people
from public directories
Founder mafia
2 people who came through Zero Carbon Capital went on to found or lead other companies.
What they invest in
from 7 of 10 portfolio companiesCleantech ×5Climate Tech ×5Energy ×4AI & Machine Learning ×2Circular Economy ×2Deep Tech ×2New Materials ×2Advanced Manufacturing ×1
HQs:United Kingdom×3
Investments · 10 tracked
founders shown can be your intro pathBy year:2024 · 22023 · 12022 · 25 dated
Redesigns industrial hardware to reduce friction wear and fugitive emissions, including the Callimorph actuator and Dragonfly stemless valve.
Co-investorsDeepbridge CapitalKero Development PartnersZero Carbon Capital
Cambridge Electric Cement, a University of Cambridge spin-out, develops a method to produce the reactive component of cement (clinker) without emissions, using established industrial processes to decarbonise cement.
CleantechClimate TechNew MaterialsCambridge, GB
Epoch Biodesign develops enzyme recycling technology powered by AI to break down plastic and textile waste into virgin-grade chemical building blocks.
AI & Machine LearningBiotechCircular EconomyClimate Tech
JacobinDouglas Kell(Founder)Jacob Nathan(Founder)
Co-investorsExtantia CapitalMundi VenturesLowercarbon CapitalAmadeus Capital PartnersAvonmore DevelopmentsBoxGroup+9 more
Exergy3 manufactures thermal energy storage systems that charge during low-cost electricity periods and deliver industrial heat, enabling decarbonization and cost reduction for manufacturing facilities.
Advanced ManufacturingCleantechClimate TechDeep TechEnergyEdinburgh, GB
Co-investorsAxeleo CapitalOld College CapitalZero Carbon Capital
IONATE develops smart transformer hardware and AI coordination software for power systems and grids, designed to modernize electricity infrastructure for data centers and grid applications.
AI & Machine LearningEnergyHardwareLondon, GB
Luca(CGO)inAdhikari Ajanta(Executive Officer, Director)in
Co-investorsAlbionVCGlobal BrainIn-Q-TelIQ CapitalZero Carbon CapitalAntares Ventures Pte. Ltd.+1 more
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Nuclear Turbines develops advanced modular nuclear generation systems in which a reactor directly heats compressed air to drive a commercial gas turbine, targeting low-cost electricity.
CleantechDeep TechEnergy
Co-investorsEmpirical VenturesIQ CapitalRhapsody Venture PartnersZero Carbon Capital
Reclinker develops technology to reduce carbon emissions in cement production, enabling the circular economy in construction materials.
Circular EconomyCleantechClimate TechNew Materials
Poppy Brewer(Founder)in
Co-investorsThird DerivativeZero Carbon Capital
Spark develops technology to accelerate the production of hydrogen-based synthetic fuels for aviation and industrial applications.
CleantechClimate TechEnergy
Co-investorsZero Carbon CapitalIBB VenturesNucleus Capital
Other
Tracked investments with no reachable website or further public details — typically companies that wound down, renamed, or were absorbed.
Caudal EnergyNetZeroNitrogen
Portfolio news
latest coverage across their companiesExergy3 · finsmes.com · Apr 21, 2026
Principals & officers · per Companies House
what is this? ⓘDirector · British · since 2019
Director · British · since 2019
Thompson Alexander Ivor Gawley — 25–50% of shares, 25–50% of voting rights, right to appoint and remove directors
Philippa Jane Churchill Gawley — 25–50% of shares, 25–50% of voting rights, right to appoint and remove directors
Frequently asked questions
- How many investments has Zero Carbon Capital made?
- Zero Carbon Capital has 10 tracked investments.
- What stage does Zero Carbon Capital invest at?
- Zero Carbon Capital invests at the Pre-Seed, Seed stages.
- What is Zero Carbon Capital's typical check size?
- Zero Carbon Capital typically writes checks of $127K – $1.3M.
- What sectors does Zero Carbon Capital focus on?
- Zero Carbon Capital focuses on Biotech, Circular Economy, Cleantech, Climate Tech, Deep Tech, Energy, IoT, Mobility & Transportation, New Materials.
- Where is Zero Carbon Capital located?
- Zero Carbon Capital is headquartered in Portsmouth, GB.
- Who does Zero Carbon Capital co-invest with?
- Zero Carbon Capital most often shares deals with Zero Carbon Capital, IQ Capital, Amadeus Capital Partners, among 21 tracked co-investors.
Media · Podcasts & interviews
featuring the teamZero Carbon Capital - Fixing Diversity in VC with Pippa Gawley
Climate Insiders · Pippa Gawley
Images
Co-investors · 3
Azolla Ventures is an early-stage climate investor that backs founders building solutions with the potential for large-scale greenhouse gas reductions. It was created by Prime Coalition, a nonprofit that directs catalytic capital toward scalable climate solutions.
Redalpine is a multi-stage venture investment advisor with Swiss roots and a pan-European focus, active since 2006, that invests at the intersection of software and science.
Firms observed investing alongside Zero Carbon Capital, from public investor directories. Shared companies are the overlap with Zero Carbon Capital's recorded portfolio.
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