# C1 Green Chemicals

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/c1-green-chemicals

- Industry: Chemicals
- Headquarters: Berlin, Germany
- Website: www.carbon.one
- Total disclosed funding: $5.5M
- Latest round: Seed (Mar 28, 2022)
- Investors on record: 2

## About

Founded in 2022, and based in Berlin, Germany, C1 Green Chemicals AG, trading as Carbon One operates as a climate technology company. In March 2025, C1 Green Chemicals AG raised EUR 15 million in venture funding led by new investor denkapparat GmbH, with participation from returning investors Planet A Ventures and SquareOne. Another new investor Maersk Growth, individual, and other unspecified investors. The round was part of a larger EUR 20 million grant and equity funding. The company was founded by Christian Vollmann and Ralph Kraehnert. C1 Green Chemicals AG produces chemicals such as non-fossil methanol from excess biomass, waste plastic, or CO2 and H2 in small and decentralized plants. The company develops a chemical production process of homogeneous catalysis for the production of methanol. The company will use the March 2025 funding to build a demonstration plant for homogeneously catalyzed methanol.

## Funding rounds

- Seed, Mar 28, 2022, $5.5M — SquareOne, Planet A Ventures

## Investors

- SquareOne (https://capitalatlas.ai/funds/squareone) — Seed
- Planet A Ventures (https://capitalatlas.ai/funds/planet-a-ventures) — Seed