Supporting Estonian green innovation


Early stage startups supported


raised by our awesome alumni


non-equity & equity investments
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Cleantech Estonia is...

"...a cluster for early-stage cleantech startups that provides incubation, acceleration, and connections to investors, partners, and the public sector."

Our alumnies
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Sunly white logo
Sunly white logo
Our Sponsors & partners
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We work together with

We gather data and insights about the cleantech innovation sector and represent the startups.
We are the main provider of deal-flow of early-stage startups to most regional investors.
We help startups reach the right audiences and engage with investors, partners, the government, etc.
We run national and international sustainability-related projects and are looking for meaningful partners to join.
We support green innovation... running hackathons, incubators and accelerators dedicated to cleantech startups. We also organise epic events, interview entrepreneurs for our Cleantech podcast, share helpful resources and inspirations, connect our community with great mentors and career opportunities.

Take a look around our website:

Our team

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Cleantech Estonia is a team of ambitious people who envision a future where environmental sustainability is at the forefront of all business and policy decision.


What is considered cleantech?

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Cleantech (short for clean technology) is used to refer to technologies that are designed to reduce or eliminate negative environmental impact. This can include products and services related to the following topics:

Agriculture and Food, Energy and Power, Materials and Chemicals, Resources and Environment, Transportation and Logistics.

See our portfolio page for startups related to these topics.

How can I apply to one of your programs?
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To see which programs are currently open for applications, please visit our programs page and select the program you are interested in.

From there, you will be directed to the application process for that specific program.

Do you offer mentorship?

We offer a free 30-minute mentoring session with one of Estonia’s most experienced mentors in cleantech, Indrek Kelder.

Indrek can help you make better sense of your business model and value proposition or answer any other relevant questions.

More information here.

What is the Estonian Cleantech Demo Centre and how can I book a tour?

The Estonian Cleantech Demo Centre, located in Tallinn, exhibits and introduces Estonian cleantech startups’ products and services.

Created together by Cleantech Estonia and a renewable energy company Sunly, the demo centre showcases solutions invented in Estonia to minimize the environmental footprint and replace the old polluting technologies with green ones.

We offer tours of the demo area in English and Estonian.

To book a tour, please click here.

How can I learn about new opportunities?

The best way to learn about new opportunities is through Cleantech Estonia's social media channels (Facebook, Instagram and Linkedin) and monthly newsletter.

What others say about us

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Ann Runnel

Co-Founder and CEO of Company
"ClimAccelerator is the best way to bootstrap your green success and get innovative ideas off the ground. Great people and fun times guaranteed!"