We want to activate more climate action. For this, we bring more private capital directly to high-quality nature-based climate projects, through a data-driven, science-backed, and regulated framework.
Learn how Callirius
can provide you with impactful carbon credits and climate investments.
Learn how Callirius
can market your climate project.
Why Callirius
High Integrity & Impact
All offered nature-based projects are pre-filtered by our Quality-AI and manually screened by our expert team to ensure integrity, passing strict evaluation criteria. Not only at inception, but continuously thereby ensuring maximum climate impact & minimising risk.
Transparent & Accessible
We ensure full transparency on all of our solutions, removing hidden pricing and terms. We work directly with project developers so you only pay for value-adding services. You finance high-impact climate projects, cost-effectively.
Local & Inclusive
Our selected climate projects create true local impact by focusing on solutions that strengthen the local biosphere and communities. We work exclusively with projects which guarantee a net positive impact on the environment & biodiversity, social justice, and human rights.
The founding team
Ebrahim Attarzadeh
Rudolf Maier
Michael Grohmann
Tim Schuldt
What you do makes a difference, and you have to decide what kind of difference you want to make.
Dr. Jane Goodall
Partner with the planet. Take climate action with Callirius.
Carbon removal can be overwhelming. Callirius is here to help you.