6 Best Greentech Startups to Watch in 2026

The Definitive Seedtable Ranking of Greentech Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 6 start-ups with an aggregate funding of $47.9m. The average funding per company in this subset is $8.0m.

Last update to the database: May 12, 2026. See changelog.

Track over 71,000 companies

Discover
Fast-growing Global startups

Seedtable uses technology and people to track over 71,000 companies to help you find the right ones to partner with.

Pricing + Sign up
Mondra logo

Mondra

3

Funding Rounds

$22.5m

Money raised

AI-powered supply chain intelligence platform for the food industry

Industries:

Software as a service (SaaS) Supply chain Food technology

Location:

London

Key people:

Goodvest logo

Goodvest

3

Funding Rounds

$16.6m

Money raised

Goodvest is a responsible investment platform founded in 2020 by Joseph Choueifaty, Antoine Beneteau and Aurore Pinon Jacques.

Industries:

Financial technology Clean technology Software as a service (SaaS)

Location:

Paris

Key people:

Acembee logo

Acembee

1

Funding Rounds

$1.3m

Money raised

AI-driven energy monitoring and sustainability compliance automation platform for construction sites.

Industries:

Analytics Software as a service (SaaS) Internet of things (IoT)

Location:

Copenhagen

Key people:

Spiral Hydrogen logo

Spiral Hydrogen

1

Funding Rounds

$3.4m

Money raised

Spiral Hydrogen is a developer of bubble-free electrolysis technology founded in 2024 by Juri Volodin.

Industries:

Renewable energy Manufacturing Hydrogen power

Location:

Delft

Key people:

Circonomit logo

Circonomit

1

Funding Rounds

$3.3m

Money raised

Circonomit is a developer of an intuitive modelling toolbox founded in 2022 by Dana Aleff.

Industries:

Software as a service (SaaS) Sustainability GreenTech

Location:

Cologne

Key people:

ShipTown logo

ShipTown

1

Funding Rounds

$780.0k

Money raised

ShipTown is a hydrogen-based energy storage technology developer founded in 2023 by Marie Vedel.

Industries:

Renewable energy Manufacturing Hardware

Location:

Copenhagen

Key people:

Sign up to access our full database

Enter your email and get access to 71,000 + technology companies you can partner with.

Join 29000+ founders, operators, and investors.