8 Best Materials Startups to Watch in 2025

The Definitive Seedtable Ranking of Materials 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 8 start-ups with an aggregate funding of $143.2m. The average funding per company in this subset is $17.9m.

Last update to the database: Feb 18, 2025. See changelog.

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Funding Rounds

$5.4m

Money raised

Developer of direct carbon immobilization technology for waste and biomass conversion to retrieve valuable raw materials.

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Key people:

1

Funding Rounds

$1.9m

Money raised

ExoMatter is an AI-driven materials research and development platform founded in 2022 by Barbara Bachus.

Location:

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1

Funding Rounds

$48.0m

Money raised

Manufacturer of advanced metallic components for aerospace and electronics.

Key people:

1

Funding Rounds

$1.3m

Money raised

AI-powered platform provider to accelerate the development and optimisation of advanced materials.

Key people:

1

Funding Rounds

$16.3m

Money raised

Matteco is a producer of advanced materials for green hydrogen founded in 2023 by Iker Marcaide.

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1

Funding Rounds

$65.0m

Money raised

GravitHy is a sustainable iron producer founded in 2022.

1

Funding Rounds

$3.3m

Money raised

PhaseTree is an AI-powered simulation platform for sustainable material discovery founded in 2021 by Amit Luthra.

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1

Funding Rounds

$2.1m

Money raised

Lithium Salvage is an end-to-end household lithium-ion battery recycler founded in 2021 by Duncan Noble.

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