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About Carbon13

Carbon13, an accelerator and incubator program founded in 2019, is based in Cambridge, United Kingdom. With a presence in 4 countries, it has supported around 17 startups in sectors like High Tech, Energy Tech. Most notable companies in its portfolio include Kita, PuriFire Energy and SamudraOceans. The program is backed by a team of 56 people who primarily support Seed startups based in United Kingdom. Its latest investment was a $615K Seed round in Pure Capture Innovations on Sep 01, 2026, which also saw participation from SFC Capital and British Business Bank.
Key Metrics
Founded Year
2019
Location
Cambridge, United Kingdom
Portfolio Companies
Sectors of Investment
Stages of Investment
Seed & Series A
Locations of Investment

Carbon13's List of Top Investments

Carbon13 has a portfolio of 17 companies. Their most notable investments are in Hexseedtechnology and Nium.Their portfolio spans across United Kingdom, Spain, Belgium and 1 more locations. They have invested in High Tech, Energy Tech, Enterprise Applications and 12 other sectors, across stages such as Seed, Series A stages. Here is the list of top investments by Carbon13:

1. Kita

Online platform for carbon insurance. It offers parametric insurance products including asset-carbon offsets. It also accelerates the development of high-quality solutions to fight the climate crisis. It also provides solutions to remove carbon from the atmosphere.

Key facts about Kita

Developer of hydrothermal treatment technology converting wastewater into green hydrogen and biomethanol. The company’s proprietary reactors produce green hydrogen and carbon dioxide. This carbon dioxide is then converted into biomethanol through catalytic synthesis. The technology aims to decarbonize the shipping and chemicals industries by providing sustainable alternatives. The team includes engineers and scientists focused on scaling technologies.

Key facts about PuriFire Energy

Seaweed farming using robotics, AI, and drones. It monitors farm conditions and crop health using remote monitoring robots. It provides monitoring robots equipped with sensors and cameras to scale seaweed farming.

Key facts about SamudraOceans

Developer of robotic lab automation and artificial intelligence bioprocess models. This service utilizes high-throughput screening to gather data on microbial growth and protein expression. The collected information informs the creation of digital models that simulate fermentation conditions. These models allow for the virtual testing of parameters to predict outcomes such as biomass density, product yield, and cell viability. The process supports the optimization of media components, strain selection, and downstream processing configurations. By integrating automated data acquisition with predictive modeling, the system assists in the development of scalable and efficient fermentation workflows.

Key facts about Differential Bio

Developer of AI-powered platform optimizing fashion supply chain management processes. The platform provides tools for product development, industrial engineering, and factory management. It offers features such as automated bill of materials generation, operation breakdowns, and capacity planning. The platform also includes supplier matching, tech pack enhancement, and real-time critical path management. It aims to streamline sourcing, costing, and production planning for fashion brands.

Key facts about MannyAI

  • Founded Year: 2023
  • Location: West Dulwich (United Kingdom)
  • Stage: Seed
  • Total Funding till date: $1.33M
  • Employee Count: 14 as on Sep 30, 2026
  • Investors: Innovate UK, Ukri and 5 Others
  • Latest Funding Round: Grant (prize money), Nov 21, 2024, $*****
  • Highlight: Editors' Pick

Carbon13's Investments by Stage

Carbon13 has made 14 investments in Seed stage with an average round size of $1.28M and 1 investment in Series A stage with an average round size of $934K.
Here are Carbon13's investments by stage:
Stage of entry
No. of Investments
Seed
14
Series A
1
Breakdown of Carbon13's investments by stage of entrySeed (14)Series A (1)
Note: We have considered here, only first round of investments

Carbon13's Investments by Sector

Carbon13 has a diverse portfolio, with companies operating in the Sustainability Tech, Environment Tech, High Tech, Energy Tech and Enterprise Applications. Notably, it has invested in 15 Enterprise (B2B) companies, 13 Tech companies, 5 Software companies and at least 3 companies focusing on Social impact.
Here are Carbon13's investments by sector:
Sector
No. of Investments
Sustainability Tech
10
Environment Tech
7
High Tech
6
Energy Tech
5
Enterprise Applications
4
Others
14
Breakdown of Carbon13's investments by sectorsSustainability Tech (10)Environment Tech (7)
Note: We have considered here, only first round of investments

Carbon13's Investments by Geography

Carbon13 has made most investments in United Kingdom (10), followed by Spain where it has made 2 investments.
Here are Carbon13's investments by geography:
Country
No. of Investments
United Kingdom
10
Spain
2
Belgium
1
Germany
1
Breakdown of Carbon13's investments by countriesUnited Kingdom (10)Spain (2)
Note: We have considered here, only first round of investments

Carbon13's recent investments

Carbon13 has made 5 investments in 2026 so far. Pure Capture Innovations and Hexseedtechnology are the latest among them.
Here are the most recent investments by Carbon13:
Date
Company
Location
Round Details
Round Amount
Co-Investors
Sep 01, 2026
United Kingdom
Seed
8329
Aug 21, 2026
-
Seed
3147
Jun 16, 2026
Belgium
Seed
6379
  [+1]
Apr 08, 2026
United Kingdom
Seed
4872
Jan 29, 2026
Spain
Seed
7063

Team profile of Carbon13

Carbon13 has a team of 56 members including 4 Partners, 11 Venture Partners and 8 Principals located in United Kingdom, Germany and 4 more locations. Carbon13's team sits on the board of 1 company.
Here is a list of top team members in Carbon13:
Name
Designation
Location
Board Memberships
Contact Details
Partner
Berlin
-
Partner
Cambridge
-
Partner
Vienna
-
Partner
Cambridge
-
Venture Partner
United Kingdom
-
-
Venture Partner
Bristol
-
-
Venture Partner
-
-
Venture Partner
London
-
Venture Partner
Munich
-
-
Venture Partner
London
-
Venture Partner
London
-

Co-investors of Carbon13

Over the past 4 years, 52 investors have co-invested in Carbon13's portfolio companies. This includes funds and angels.

  • Invested before Carbon13: Norrsken Evolve has invested before Carbon13.
  • Top Co-investors of Carbon13: 42 investors entered a company along with Carbon13. These include investors like SFC Capital (3 companies).
  • Invested after Carbon13: A total of 9 investors have invested in Carbon13's portfolio after their investments. Top Investors include Octopus Ventures (1 company) and Chaucer (1 company).

Recent News related to Carbon13

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