Where is Carbon13's headquarters located?

Carbon13's headquarters is located in Cambridge (United Kingdom).

How big is Carbon13's investment team?

Carbon13 has a team of 38, including 4 partners.

How many companies has Carbon13 invested in?

Carbon13 has invested in 14 companies, including PuriFire Energy & Kita.

Which companies has Carbon13 invested in lately?

Hexseedtechnology & Astracite are the latest investments by Carbon13.

Carbon13 - 2026 Investor Profile, Portfolio, Team & Investment Trends

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 14 startups in sectors like Energy Tech, Enterprise Applications. Most notable companies in its portfolio include PuriFire Energy, Kita and SamudraOceans. The program is backed by a team of 38 people who primarily support Seed startups based in United Kingdom. Its latest investment was a $817K Seed round in Hexseedtechnology on Aug 21, 2026, which also saw participation from Net Zero Technology Centre and Vento.

Key Metrics

Founded Year

2019

Location

Cambridge, United Kingdom

Portfolio Companies

PuriFire Energy, Kita & 12 more

Sectors of Investment

Energy Tech, Enterprise Applications & 13 more

Stages of Investment

Seed & Series A

Locations of Investment

United Kingdom, Spain & 2 more

View Carbon13's full profile

Carbon13 has a portfolio of 14 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 Energy Tech, Enterprise Applications, High Tech and 12 other sectors, across stages such as Seed, Series A stages. Here is the list of top investments by Carbon13:

1. PuriFire Energy

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

Founded Year: 2020
Location: Cambridge (United Kingdom)
Valuation: $*****
Stage: Seed
Total Funding till date: $4.88M
Employee Count: 16 as on Aug 31, 2026
Investors: Ukri, MNL Nominees and 11 Others
Latest Funding Round: Grant (prize money), Aug 28, 2024, $*****

2. 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

Founded Year: 2021
Location: London (United Kingdom)
Valuation: $*****
Stage: Seed
Total Funding till date: $10.2M
Employee Count: 341 as on Jul 31, 2026
Investors: Octopus Ventures, Lloyd’s Lab Accelerator and 22 Others
Latest Funding Round: Seed, Feb 22, 2023, $*****
Highlight: Editors' Pick

3. SamudraOceans

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

Founded Year: 2022
Location: London (United Kingdom)
Valuation: $*****
Stage: Seed
Total Funding till date: $1.99M
Employee Count: 12 as on Jul 31, 2026
Investors: Village Capital, British Design Fund and 4 Others
Latest Funding Round: Seed, Sep 25, 2024, $*****

4. Ki Hydrogen

Technology solution for hydrogen production. It uses biomass electrolysis technology to produce green hydrogen, aiming to reduce energy consumption and mitigate climate change.

Key facts about Ki Hydrogen

Founded Year: 2022
Location: London (United Kingdom)
Valuation: $*****
Stage: Seed
Total Funding till date: $1.1M
Employee Count: 14 as on Jul 31, 2026
Investors: SFC Capital, Desai Ventures and 4 Others
Latest Funding Round: Seed, Nov 30, 2023, $*****

5. MannyAI

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: 15 as on Jul 31, 2026
Investors: Innovate UK, Ukri and 5 Others
Latest Funding Round: Grant (prize money), Nov 21, 2024, $*****
Highlight: Editors' Pick

View the full list of portfolio companies

Carbon13 has invested in 14 companies over the last 4 years, with an average of 3 new investments annually in the last 3 years. In 2025, it made 1 investment, while as of Aug 2026, it has made 4 investments in this year. Its most recent first time investment was in Hexseedtechnology and most recent follow-on round was in Kita.

Here are Carbon13's Year-on-Year Investment Trends:

Year	No. of Investments
Year	1^st Round	Follow-on	Total
2026 (YTD)	4	0	4
2025	1	0	1
2024	3	0	3
2023	3	1	4
2022	1	0	1

View all investments by Carbon13

Carbon13 has made 11 investments in Seed stage with an average round size of $1.45M 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	11
Series A	1

Note: We have considered here, only first round of investments

View all investments by Carbon13

Carbon13 has a diverse portfolio, with companies operating in the Sustainability Tech, High Tech, Energy Tech, Environment Tech and Enterprise Applications. Notably, it has invested in 12 Enterprise (B2B) companies, 10 Tech companies, 4 Software companies and at least 3 companies focusing on Social impact.

Here are Carbon13's investments by sector:

Sector	No. of Investments
Sustainability Tech	7
High Tech	5
Energy Tech	4
Environment Tech	4
Enterprise Applications	3
Others	13

Note: We have considered here, only first round of investments

View all investments by Carbon13

Carbon13 has made most investments in United Kingdom (7), followed by Spain where it has made 2 investments.

Here are Carbon13's investments by geography:

Country	No. of Investments
United Kingdom	7
Spain	2
Belgium	1
Germany	1

Note: We have considered here, only first round of investments

View all investments by Carbon13

Carbon13 has made 4 investments in 2026 so far. Hexseedtechnology and Astracite are the latest among them.

Here are the most recent investments by Carbon13:

Filter this list

Date	Company	Location	Round Details	Round Amount	Co-Investors
Aug 21, 2026	Hexseedtechnology	-	Seed	4234	Net Zero Technology Centre ... [+1]
Jun 16, 2026	Astracite	Belgium	Seed	4106	Carbonfix [+1]
Apr 08, 2026	Fermtech	United Kingdom	Seed	5694	Elbow Beach [+1]
Jan 29, 2026	Tetrax	Spain	Seed	8371	The Footprint Firm [+1]
Mar 26, 2025	Differential Bio	Germany	Seed	5057	Ananda Impact Ventures [+4]

See more recent investments made by Carbon13

Carbon13 has a team of 38 members including 4 Partners, 12 Venture Partners and 8 Principals located in United Kingdom, Germany and 3 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
Michael Langguth	Partner	Berlin	Poq	-
Nicky Dee	Partner	Cambridge	-	1 Email
Wil Benton	Partner	Glasgow	-	2 Emails
Nicky Dee	Partner	Cambridge	-	1 Email
Matt Drew	Venture Partner	United Kingdom	-	-
Jerome Joaug	Venture Partner	London	-	1 Email
Andrew Mulvenna	Venture Partner	Bristol	-	-
Livia Zimermann de Araujo Durigan	Venture Partner	-	-	1 Email
Sarah Dees	Venture Partner	London	-	1 Email
Tom Lapperger	Venture Partner	London	-	-
Eda Leka	Venture Partner	London	-	2 Emails

View team details of Carbon13

Over the past 4 years, 43 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: 38 investors entered a company along with Carbon13. These include investors like SFC Capital (2 companies).
Invested after Carbon13: A total of 4 investors have invested in Carbon13's portfolio after their investments. Top Investors include Octopus Ventures (1 company) and Chaucer (1 company).