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Carbon13 — Portfolio

Investor actively backing innovative startups and growth-stage companies across various industries and funding rounds.

55
Companies
$64.7M
Total invested
$1.1M
Avg. check
45
Industries
Software 5Environmental Consulting 4GreenTech 4Biotechnology 3Artificial Intelligence (AI) 3Sustainability 3+39 more
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Portfolio companies

Showing 124 of 55
17Cicada
September 2025

17Cicada creates a novel bacterial platform that converts waste into building blocks for polymers, textiles, cosmetics, and other products.

Biotechnology · Cambridge$32K Equity Crowdfunding
CBAMBOO
August 2024

The operating system for the world's carbon border taxes.

Analytics · London$1.5M Pre-Seed
Ki Hydrogen
August 2025

Ki Hydrogen is a deep-tech venture that develops waste-to-hydrogen technology.

Renewable Energy · LondonNon-equity Assistance
Hoopsy
July 2025

Hoopsy is on a mission to eliminate the 25 million kg of plastic from lateral flow tests world wide

Health Care · London$272K Undisclosed
Mozaic Earth
July 2024

Mozaic Earth offers AI-driven environmental services, helping organizations measure, manage, and reduce their ecological footprint.

Artificial Intelligence (AI) · London$643K Pre-Seed
Optimise AI
July 2024

Optimise AI is an It consulting firm.

Information Services · Cardiff$951K Seed
Astracite
June 2026

Astracite is a developer of battery anode materials manufactured from captured carbon dioxide.

Clean Energy · Heverlee$871K Pre-Seed
Kestrix
June 2025

Kestrix is on a mission to scale the retrofit with data.

Software · London$136K Seed
Infyos
May 2023

Infyos helps battery and car makers manage and improve their company and supply chains sustainability.

Automotive · London$213K Grant
Fermtech
April 2026

Fermtech provides equipment for precision fermentation companies to scale production processes.

Biopharma · Oxford$3.3M Seed
Offgrid.Finance
April 2022

Offgrid Finance channels capital to growing businesses in emerging markets for clean and productive use technology.

Finance · Sevenoaks$300K Pre-Seed
FoodSquared
April 2023

FoodSquared is a B2B food tech company that enables the next generation of plant-based shellfish starting with shrimp.

Food and Beverage · Cambridge$137K Pre-Seed
Preoptima
March 2023

Real-time whole life carbon (WLC) analysis from concept to demolition

Commercial · London$1.2M Pre-Seed
PuriFire Energy
March 2025

Pioneering Green Hydrogen and Bio-methanol Production

Chemical · CambridgeNon-equity Assistance
Elaniti
March 2025

Elaniti predicts crop outcomes from soil biology, empowering data-driven agronomic decisions & derisking the NetZero transition for growers.

Agriculture · LondonSeed
Cocoon
March 2026

Cocoon provides environmental consulting services to businesses and develops solutions to analyze and eradicate industrial waste.

Carbon Capture · London$15.0M Series A
Kita
February 2023

Kita is an insurance company that offers carbon insurance products and services that cover risks impacting carbon market stakeholders.

CleanTech · London$4.8M Seed
Deep Blue Biotech
November 2024

Deep Blue Biotech uses synthetic biology to decarbonize chemicals, aiming for sustainable solutions to combat the climate crisis.

Biotechnology · Stowmarket$800K Pre-Seed
Remy
May 2024

Remy's application leverages AI to reduce household food waste by 70%, whilst collecting novel user behaviour and Scope 3 emissions data.

Artificial Intelligence (AI) · London$438K Pre-Seed
Samudra Oceans
November 2023

Samudra Oceans is a robotics AI startup that offers static robotic monitoring solutions for seaweed farming

CleanTech · London$1.0M Pre-Seed
Materials Nexus
July 2023

Materials Nexus is a deep-tech company accelerating the change to net-zero materials

Artificial Intelligence (AI) · London$2.6M Seed
Adia Thermal
January 2025

Adia Thermal provides technology that enables heat pumps installations.

Environmental Engineering · London$1.7M Pre-Seed
TetraxAI
January 2026

TetraxAI is a clean technology company that provides an AI-powered software platform for renewable energy infrastructure projects.

Clean Energy · Madrid$1.4M Pre-Seed
Future Greens
December 2025

Future Greens is a landscaping company that specializes in vertical and indoor farming for growing green vegetables in urban areas.

Farming · Sheffield$456K Seed

Where Carbon13 invests

Software5
Environmental Consulting4
GreenTech4
Biotechnology3
Artificial Intelligence (AI)3
Sustainability3

About Carbon13's portfolio

How many companies has Carbon13 invested in?

Carbon13 has invested in 55 companies tracked in our database. The portfolio spans multiple industries and funding stages, from seed-stage startups to late-stage companies.

What industries does Carbon13 invest in?

Carbon13's top investment sectors include Software, Environmental Consulting, GreenTech, Biotechnology, Artificial Intelligence (AI). The firm invests across 45 different industry categories.

What is Carbon13's largest investment?

Among tracked funding rounds, Cocoon received $15.0M in a Series A round. Carbon13's total known invested capital is $64.7M.

What is the average investment size for Carbon13?

Carbon13's average investment size is $1.1M across its portfolio of 55 companies.

What are Carbon13's most recent investments?

Recent Carbon13 portfolio additions include 17Cicada, CBAMBOO, Ki Hydrogen, Hoopsy, Mozaic Earth. These companies were founded in 2020 or later.

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