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 72, including 7 partners.

How many companies has Carbon13 invested in?

Carbon13 has invested in 12 companies, including Kita & PuriFire Energy.

Which companies has Carbon13 invested in lately?

Fermtech & Tetrax 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 3 countries, it has supported around 12 startups in sectors like Energy Tech, Enterprise Applications. Most notable companies in its portfolio include Kita, PuriFire Energy and SamudraOceans. The program is backed by a team of 72 people who primarily support Seed startups based in United Kingdom. Its latest investment was a $3.3M Seed round in Fermtech on Apr 08, 2026, which also saw participation from Elbow Beach and Empirical Ventures.

Key Metrics

Founded Year

2019

Location

Cambridge, United Kingdom

Portfolio Companies

Kita, PuriFire Energy & 10 more

Sectors of Investment

Energy Tech, Enterprise Applications & 12 more

Stages of Investment

Seed & Series A

Locations of Investment

United Kingdom, Germany & 1 more

View Carbon13's full profile

Carbon13 has a portfolio of 12 companies. Their most notable investmentis in NiumTheir portfolio spans across United Kingdom, Germany and Spain. They have invested in Energy Tech, Enterprise Applications, High Tech and 11 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

Founded Year: 2021
Location: London (United Kingdom)
Valuation: $*****
Stage: Seed
Total Funding till date: $10.2M
Employee Count: 329 as on Apr 30, 2026
Investors: Octopus Ventures, Insurtech Gateway and 22 Others
Latest Funding Round: Seed, Feb 22, 2023, $*****
Highlight: Editors' Pick

2. 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: 14 as on Apr 30, 2026
Investors: Ukri, Cranfield University and 11 Others
Latest Funding Round: Grant (prize money), Aug 28, 2024, $*****

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: 10 as on Apr 30, 2026
Investors: Undaunted, 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: 12 as on Apr 30, 2026
Investors: Desai Ventures, Undaunted and 4 Others
Latest Funding Round: Seed, Nov 30, 2023, $*****

5. Kestrix

Provider of thermography and AI-based solutions for mapping heat leaks in buildings. They provide retrofit planning, pricing, and verification services to optimize energy efficiency in buildings.

Key facts about Kestrix

Founded Year: 2022
Location: Harpenden (United Kingdom)
Valuation: $*****
Stage: Seed
Total Funding till date: $654K
Employee Count: 13 as on Apr 30, 2026
Investors: Notion, Kin Fund Services and 7 Others
Latest Funding Round: Grant (prize money), Oct 27, 2023, $*****

View the full list of portfolio companies

Carbon13 has invested in 12 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 Apr 2026, it has made 2 investments in this year. Its most recent first time investment was in Fermtech 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)	2	0	2
2025	1	0	1
2024	3	0	3
2023	3	1	4
2022	1	0	1

View all investments by Carbon13

Carbon13 has made 9 investments in Seed stage with an average round size of $1.58M 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	9
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, Environment Tech, High Tech, Energy Tech and Enterprise Applications. Notably, it has invested in 10 Enterprise (B2B) companies, 9 Tech companies, 4 Software companies and at least 2 companies focusing on Saas.

Here are Carbon13's investments by sector:

Sector	No. of Investments
Sustainability Tech	6
Environment Tech	4
High Tech	4
Energy Tech	3
Enterprise Applications	3
Others	10

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 Germany where it has made 1 investment.

Here are Carbon13's investments by geography:

Country	No. of Investments
United Kingdom	7
Germany	1
Spain	1
United States	1

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

View all investments by Carbon13

Carbon13 has made 2 investments in 2026 so far - Fermtech and Tetrax.

Here are the most recent investments by Carbon13:

Filter this list

Date	Company	Location	Round Details	Round Amount	Co-Investors
Apr 08, 2026	Fermtech	United Kingdom	Seed	3077	Elbow Beach [+1]
Jan 29, 2026	Tetrax	United States	Seed	7133	The Footprint Firm [+1]
Mar 26, 2025	Differential Bio	Germany	Seed	6015	Ananda Impact Ventures [+4]
Dec 02, 2024	Deepbluebiotech	Spain	Seed	1378	Sustainable Ventures [+3]
Nov 21, 2024	MannyAI	United Kingdom	Seed	4828	Dreamcraft Ventures [+3]

See more recent investments made by Carbon13

Carbon13 has a team of 72 members including 7 Partners, 26 Venture Partners and 14 Principals located in United Kingdom, Germany and 5 more locations. Carbon13's team does not sit on the board of any company as of now.

Here is a list of top team members in Carbon13:

Name	Designation	Location	Board Memberships	Contact Details
Nicky Dee	Partner	Cambridge	-	1 Email
Wil Benton	Partner	Glasgow	-	1 Email
Paul Hodgson	Partner	York	-	1 Email
Nicky Dee	Partner	Cambridge	-	1 Email
Joachim Dias	Partner	United Kingdom	-	-
Izabela Santos	Partner	Horsham	-	-
Ekaterina Filina	Partner	Munich	-	-
Matt Drew	Venture Partner	United Kingdom	-	-
Lennart Hergel	Venture Partner	Berlin	-	-
Jerome Joaug	Venture Partner	London	-	1 Email
Andrew Mulvenna	Venture Partner	Bristol	-	-

View team details of Carbon13

Over the past 4 years, 38 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: 33 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).