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ISPTech Raises €5.5M in Seed Round Led by Join Capital to Scale Green Propulsion Tech and Expand Workforce.

PRIVATEFeb 27, 2026

Amount Raised

€5.5 Million

Round Type

Seed

Hardthausen Am KocherManufacturingAerospaceSatellite Communication

Investors

Start Up Bw Seed FondsHigh Tech GründerfondsFaberFirst Momentum VenturesLightfield EquityFinal Frontier LiftoffDlrJOIN Capital

Description

ISPTech, a German startup developing in-space propulsion systems, announced a €5.5M seed round today. The funding will ramp up production of green spacecraft thrusters and support the growth of its workforce. Led by Join Capital, the round saw participation from several investors. The new capital will also help build an in-house test facility to increase production rates significantly.

Quick answer

ISPTech raised €5.5 Million in a Seed round, dated February 27, 2026. Investors: Start Up Bw Seed Fonds, High Tech Gründerfonds, Faber, First Momentum Ventures, Lightfield Equity, Final Frontier Liftoff, Dlr and JOIN Capital. ISPTech is based in Hardthausen Am Kocher, Baden Württemberg, Germany.

How much did ISPTech raise?
ISPTech raised €5.5 Million in a Seed round on February 27, 2026.
Who invested in ISPTech?
Start Up Bw Seed Fonds, High Tech Gründerfonds, Faber, First Momentum Ventures, Lightfield Equity, Final Frontier Liftoff, Dlr and JOIN Capital are named as investors in this round.
What does ISPTech do?
InSpacePropulsion Technologies (ISPTech) is a German company spun-off from the German Aerospace Center (DLR), focusing on developing advanced propulsion technologies using non-toxic, 'green' propellants to address the..
Where is ISPTech based and how big is it?
ISPTech is based in Hardthausen Am Kocher, Baden Württemberg, Germany.

Source: Fundz verified event record.

Who else raised in Aerospace and Satellite Communication around the same time

Companies in the same sectors as ISPTech that raised within 45 days of this round, from Fundz verified event records.

  • Stoke Space raised $350M (Series D) on February 10, 2026.
  • Northwood Space raised $100M (Series B) on January 27, 2026.
  • Stoke Space raised $510M (Series D) on January 26, 2026.
  • Samara Aerospace raised $10M (Seed) on January 20, 2026.
  • Beta Technologies raised $7.1M on April 2, 2026.
  • Hexcel Corporation raised $300M (Debt Financing) on April 1, 2026.

Who to call at ISPTech, and when

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Company Information

Company

ISPTech

Location

Hardthausen Am Kocher, Baden Württemberg, Germany

About

InSpacePropulsion Technologies (ISPTech) is a German company spun-off from the German Aerospace Center (DLR), focusing on developing advanced propulsion technologies using non-toxic, 'green' propellants to address the challenges faced by satellite manufacturers and operators. Their innovative solutions aim to provide affordable, quickly available, and robust propulsion technologies to meet the market demand for space propulsion.

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ISPTech raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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