Portsmouth · Pre-Seed–Series A · 3 people tracked
Find your way into Zero Carbon Capital
1,564 people in our graph share verified history with the Zero Carbon Capital team — schools, employers, funds. One of them is your warm intro.
Investment thesis
Zero Carbon Capital invests in deep tech innovations focused on decarbonisation, backing visionary scientific founders across Europe. As a first-money investor at the earliest stages (pre-seed and seed), it targets transformative scientific breakthroughs that can redefine industries by reducing both costs and emissions. The firm aims to help scientist-entrepreneurs move from the lab to fully-fledged companies, providing funding and hands-on support. Its mission is to catalyse environmentally sustainable progress, with a vision of humans thriving on a healthy planet with healthy ecosystems.
Source: firm website, verified Aug 16, 2026.
Team · 3 people
from the firm's website
Founder mafia
2 people who came through Zero Carbon Capital went on to found or lead other companies.
What they invest in
from 9 of 22 portfolio companiesCleantech ×7Energy ×7Climate Tech ×4Deep Tech ×3New Materials ×2Advanced Manufacturing ×1AI & Machine Learning ×1Biotech ×1
HQs:United Kingdom×5
Investments · 22 tracked
founders shown can be your intro path
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FintechGovTech
Co-investorsAI SeedEquity GapFuel VenturesQVenturesRepublic VenturesSFC Capital+3 more
Redesigns industrial hardware to reduce friction wear and fugitive emissions, including the Callimorph actuator and Dragonfly stemless valve.
Co-investorsDeepbridge CapitalKero Development Partners
Aed Energy develops advanced photovoltaic systems, thermal storage, and power infrastructure for global clean energy deployment.
CleantechClimate TechEnergy
Rayan Kassis(Co-Founder & Chief Executive Officer)inMike Slack(Co-Founder & Chief Systems Engineer)Oliver Weber(Co-Founder & Chief Technology Officer)in
Co-investorsCarbon13
Anaphite develops DCP®, a dry coating powder technology platform, for use in applications such as solid-state batteries and silicon anodes.
CleantechDeep TechEnergyNew MaterialsBristol, GB
Samuel BurrowinAlex HewittinJoe Stevenson(CEO)in
Co-investorsBlue Wire CapitalElbow Beach CapitalEnergy & Environment InvestmentManiv MobilityOxford Investment Opportunity Network (OION)World Fund
Energy company referenced in a related Zero Carbon Capital post.
Developing enzymes aimed at eliminating textile and plastic waste.
Co-investorsLeitmotifRegeneration.VC
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 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 BrainIQ CapitalAntares Ventures Pte. Ltd.
Developing biological nitrogen fixation solution for rice cultivation
Co-investorsAzolla VenturesRevent
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 Partners
Phyco Bloom uses synthetic biology to engineer algae that capture carbon dioxide and convert it into oil for use as a sustainable fuel or plastic feedstock.
BiotechCleantechEnergyLondon, GB
John Waite(CEO)inIan Hu(CTO)in
Co-investorsEntrepreneur FirstBoxOne Ventures
Spark develops technology to accelerate the production of hydrogen-based synthetic fuels for aviation and industrial applications.
CleantechClimate TechEnergy
Portfolio news
latest coverage across their companiesExergy3 · mercomcapital.com · Apr 29, 2026
Frequently asked questions
- How many investments has Zero Carbon Capital made?
- Zero Carbon Capital has 22 tracked investments.
- What stage does Zero Carbon Capital invest at?
- Zero Carbon Capital invests at the Pre-Seed, Seed, Series A stages.
- What is Zero Carbon Capital's typical check size?
- Zero Carbon Capital typically writes checks of $130K – $1.3M.
- What sectors does Zero Carbon Capital focus on?
- Zero Carbon Capital focuses on Cleantech, Climate Tech, Deep Tech.
- Where is Zero Carbon Capital located?
- Zero Carbon Capital is headquartered in Portsmouth, GB.
- Does Zero Carbon Capital lead rounds?
- Yes, Zero Carbon Capital leads investment rounds.
- Who does Zero Carbon Capital co-invest with?
- Zero Carbon Capital most often shares deals with IQ Capital, AlbionVC, Entrepreneur First, among 29 tracked co-investors.
Media · Podcasts & interviews
featuring the teamZero Carbon Capital - Fixing Diversity in VC with Pippa Gawley
Climate Insiders · Pippa Gawley
Images
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