Meet an Unreasonable Venture

Aerbio (formerly Deep Branch)

Using carbon dioxide as a sustainable resource to create nutritious protein

Connect

Employees 21–50

Headquarters Copenhagen, Denmark

At Aerbio, we’re powering the future of fermentation technology. We utilise hydrogen and carbon dioxide, instead of sugar, to fuel the creation of a range of products. Leading the charge with our groundbreaking single cell protein, Proton™, we are boldly redefining sustainability and innovation in industrial biotechnology.

Energy & Environment

Currently Operating in Two Regions

Pitch Video Pitch Video

Subscribe for More Videos »

Press Mentions

May 22, 2025

The Copenhagen biotech startup making protein from thin air - The Engineer

Deep Branch is a pioneering biotech company transforming carbon dioxide into sustainable protein through innovative processes. Their groundbreaking technology not only addresses environmental...

Read on The Engineer »

May 22, 2025

The Copenhagen biotech startup making protein from thin air - The Engineer

Deep Branch, a Copenhagen-based biotech startup, is innovating by converting carbon dioxide into sustainable protein. This groundbreaking approach not only addresses food security but also...

Read on The Engineer »

August 29, 2024

Feed from gas project takes big step forward with pilot facility launch

Deep Branch has successfully launched a pilot facility that transforms industrial gases into animal feed, marking a significant advancement in sustainable agriculture. This innovative project...

Read on Fluid Handling Magazine »

July 2, 2024

The sky no longer the limit at the Dutch Biotech Event 2024 - hollandbio

The Dutch Biotech Event showcased innovative biotech companies, highlighting advancements in healthcare, sustainability, and technology. The event focused on collaboration, investment...

Read on hollandbio »

February 21, 2023

Hydrogen-powered cars and high-tech animal feed: two sustainable ventures on finding funding and creating jobs

Entrepreneurs with big ideas for taking on some of the world’s biggest social and environmental challenges need finance and support to bring their innovations to market. Here’s how one bank is...

Read on the Guardian »

February 21, 2023

Hydrogen-powered cars and high-tech animal feed: two sustainable ventures on finding funding and creating jobs

Entrepreneurs with big ideas for taking on some of the world’s biggest social and environmental challenges need finance and support to bring their innovations to market. Here’s how one bank is...

Read on The Guardian »

More Ventures in Energy & Environment

Altaeros

We exist to to deliver the next generation of infrastructure to rural and isolated communities.

View Profile »

Ben Glass

CEO/CTO at Altaeros

Material Evolution

We exist to transform the cement industry by achieving carbon-neutral cement production.

View Profile »

Liz Gilligan

Co-Founder & CEO of Material Evolution

String Bio

We exist to make next generation ingredients to enable sustainability and traceability for all future value chains.

View Profile »

Vinod Kumar

Cofounder & Managing Director of String Bio

Get the Unreasonable Newsletter

Get monthly updates on Aerbio (formerly Deep Branch) and all of the other ventures working to solve the world's toughest problems.

Unreasonable Monthly Digest

Read our Privacy Policy.