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Get your prototype market-ready – with technical support & funding for climate tech start-ups

CATAL1.5°T provides your early-stage start-up with technical support, grants, ecosystem insights and a network. Be ready to enter the market with your solution and make a difference.

We support early-stage start-ups in launching their climate tech solution in local markets.

Taking your early-stage climate tech start-up from prototype to market-readiness – that’s the goal of the CATAL1.5°T pre-accelerator.

In our programmes, you learn from experienced mentors and coaches what it takes to enter the next stage with your business.

From business models to validation and grants, we provide you with everything you need to get us all one step closer to a net-zero future.

What to expect at the CATAL1.5°T pre-accelerators?


Improve your skills & business model

In up to 6 months, you work on your value proposition, business modell, pitch deck, strategies for entering your local market and more.


Build a network

Get to know and work with fellow entrepreneurs, coaches, mentors and investors from your ecosystem. Become part of the CATAL1.5°T network.


Validate your solution

We want you to make an impact – and prove it. Together we validate your climate tech solution and increase your chances of receiving financing.


Get a grant

At the end of our pre-accelerator programme, you can be among the selected start-ups to receive a grant.

Applications for our pre-accelerators are open

What do you need to apply? A start-up with a prototype of a climate tech solution and at least a team of 2. If you’re also motivated and ambitious to conquer the market and make a positive impact on climate change, it’s a perfect match.
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Get insights and inspiration

Dive into insights from our ongoing and completed programmes, best practices and lessons learned as we work together to build climate ventures for a net-zero world.
Go to insights

Frequently asked questions

You’ve got questions? Here you can find answers. If you have further questions, contact us via the contact form below.

Our other programmes for start-ups

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Climathons are our ideation programme: the events bring together local citizens, innovators and entrepreneurs with ideas that address the challenges of climate change with technology. Take part and create an impact!
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Your climate venture is already well on its way to making a positive impact on climate change? Prepare to successfully navigate the challenging growth phase – with training & coaching, networking and repayable grants!

Want to support climate ventures in your area?

In our trainings you learn more about climate tech, ESG and DEI and strengthen your network.

Looking for promising investment opportunities?

We connect you with climate ventures, that take ESG seriously and have expert-validated impact forecasts.