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Manufacturing

Coolbrook

Coolbrook is a manufacturer of naphtha cracking-based reactors. Their technology is intended to replace the conventional steam cracker furnace in existing and new olefins plants, enabling petrochemical clients to get improved product yield and lower energy consumption.

coolbrook.com Helsinki, Finland 1-10 employees
Total raised
$2.9M
Rounds
1
Latest
Series Unknown
Jun 2026

Coolbrook is a manufacturer of naphtha cracking-based reactors. Their technology is intended to replace the conventional steam cracker furnace in existing and new olefins plants, enabling petrochemical clients to get improved product yield and lower energy consumption.

Coolbrook has raised $2.9M across 1 round. Its most recent round was a Series Unknown of $2.9M in Jun 2026. Full funding history, investors, and team are detailed below.

Funding history

1 round · 1 visible Unlock with plan

1 round on record.

Date
Round
Amount
Lead investor
Jun 29, 2026
Series Unknown
$2.9M

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