Vienna’s SALZSTROM raises over $1M in a pre-seed funding round led by Erste Bank to advance sodium-ion battery technology. This funding will help position SALZSTROM as a European alternative to lithium-ion energy storage.
Amount Raised
$1 Million
Round Type
Pre-Seed
ViennaManufacturingEnergyRenewable EnergyInvestors
Description
Austrian cleantech company SALZSTROM has secured over $1 million in a pre-seed round to advance its work on sodium-ion battery technology. The round includes backing from Erste Bank and other partners, and SALZSTROM will consolidate its R&D activities into a new entity named FlexCo. The investment comes as the energy transition intensifies demand for safer, more sustainable, and geopolitically independent alternatives to lithium, cobalt, and nickel. Founded in Vienna, SALZSTROM has already brought its CE-certified sodium-ion battery modules to market.
Quick answer
Salzstrom raised $1 Million in a Pre-Seed round, dated April 17, 2025. Investors: Erste Bank. Salzstrom is based in Vienna, Vienna, Austria.
- How much did Salzstrom raise?
- Salzstrom raised $1 Million in a Pre-Seed round on April 17, 2025.
- Who invested in Salzstrom?
- Erste Bank is named as investors in this round.
- What does Salzstrom do?
- SALZSTROM is an Austrian cleantech company focused on sodium-ion battery technology as an alternative to lithium-ion energy storage.
- Where is Salzstrom based and how big is it?
- Salzstrom is based in Vienna, Vienna, Austria. Fundz records about 11 employees.
- Who are the decision-makers at Salzstrom?
- Fundz holds 1 contact at Salzstrom. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Energy and Renewable Energy around the same time
Companies in the same sectors as Salzstrom that raised within 45 days of this round, from Fundz verified event records.
- Zenergize raised $2M (Seed) on May 19, 2025.
- VFlowTech raised $21M (Funding Round) on May 14, 2025.
- BURN raised $5M (Funding Round) on May 14, 2025.
- Zeno Power raised $50M (Series B) on May 14, 2025.
- Alternō raised an undisclosed amount (Series A) on May 13, 2025.
- Twelve raised $83M (Series C) on May 6, 2025.
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