Latest Climate tech Startup Funding Rounds

Companies working on energy, transport, industry and emissions. Explore the technologies and business models attracting investment.

This page showsSector: Climate tech
Rounds
410
Jan 1 – Oct 12, 2026
Disclosed funding
$23.1B
334 disclosed amounts
Median round
$13M
Of disclosed amounts
410 rounds
Funding rounds
CompanyAmountRoundSectorCountryInvestorsAnnounced
GaussionClimate tech · United KingdomCompany profile

Gaussion develops magnetic-field control technology to improve lithium-ion battery performance.

Gaussion develops magnetic-field control technology to improve lithium-ion battery performance.

$28MFunding roundUndisclosedClimate techUnited KingdomInvestors
Anferra ABClimate tech · SwedenCompany profile

Anferra develops a recycling process that turns steel grinding waste into iron chloride for water treatment, hydrogen and recoverable alloy materials.

Anferra develops a recycling process that turns steel grinding waste into iron chloride for water treatment, hydrogen and recoverable alloy materials.

UndisclosedStrategicUndisclosedClimate techSwedenInvestors
Wayout InternationalClimate tech · SwedenCompany profile

Develops decentralized drinking water infrastructure platform

Develops decentralized drinking water infrastructure platform

€2.4MSeries A+Series AClimate techSwedenInvestors
Undisclosed
H2SITEClimate tech · SpainCompany profile

H2SITE builds membrane reactors and separators that produce high-purity hydrogen from transportable carriers and gas mixtures.

H2SITE builds membrane reactors and separators that produce high-purity hydrogen from transportable carriers and gas mixtures.

€42MSeries B+Series BClimate techSpainInvestors
AquaPoro TechnologiesClimate tech · United StatesCompany profile

AquaPoro develops atmospheric water systems that supply homes and industrial facilities with water extracted from ambient air.

AquaPoro develops atmospheric water systems that supply homes and industrial facilities with water extracted from ambient air.

$5MSeedClimate techUnited StatesInvestors
StegraClimate tech · SwedenCompany profile

Develops near-zero emissions steel production technology

Develops near-zero emissions steel production technology

€1.4BGrowthClimate techSwedenInvestors
LabCycleClimate tech · United KingdomCompany profile

Develops lab plastic recycling system

Develops lab plastic recycling system

£430KSeedClimate techUnited KingdomInvestors
FleaseClimate tech · FranceCompany profile

Provides flexible reconditioned vehicle leasing and telematics-driven fleet management for enterprise clients

Provides flexible reconditioned vehicle leasing and telematics-driven fleet management for enterprise clients

€13MUndisclosedClimate techFranceInvestors
AlpSemiHardware · FranceCompany profile

Semiconductor power switches for digitally controlled circuit breakers in buildings and high-voltage power systems.

Semiconductor power switches for digitally controlled circuit breakers in buildings and high-voltage power systems.

€17MUndisclosedClimate tech, HardwareFranceInvestors
VARMClimate tech · GermanyCompany profile

Trains career changers to become certified insulation installers and deploys them across Europe

Trains career changers to become certified insulation installers and deploys them across Europe

€17.5MSeries AClimate techGermanyInvestors

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Ranked by rounds participated in · From Jan 1, 2026

  1. 1
    Lowercarbon Capital

    Type One Energy, Rainmaker, Rune

    10rounds
    0led
  2. 2
    Gigascale Capital

    Solcoa Industries, Planted, Light

    8rounds
    0led
  3. 3
    High-Tech Gründerfonds

    Veridue, reverse.fashion, Qurie

    7rounds
    0led
  4. 4
    Breakthrough Energy Ventures

    Type One Energy, Planted, FORM ENERGY

    6rounds
    1led
  5. 5
    EIC Fund

    Reverion, Circular Materials, Proxima Fusion

    6rounds
    0led

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