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Funder directory / Germany / Venture capital firms

Join Capital

Venture capitalBerlin, Germanyjoin.capitalVerified 10 Nov 2026

Join Capital is an early-stage venture capital firm investing in European deep tech startups. Its portfolio focuses on sectors including space and aerospace, defence, enterprise AI, cybersecurity, advanced computing, photonics, and industrial robotics.

StagesSeed · Series A
Invests inEurope
Deals recorded9 since 2025

What they invest in

Deep techAIIndustrialSoftware and SaaS
  • We invest early, stay close and build companies that can handle the world’s toughest problems. source
  • We back companies solving critical problems, building deep tech that doesn’t just compete but transforms enterprise, industry, and defence. source

All investments and operations

9 operations
CompanyRoundAmountDateCo-investorsSource
Golbriak
Defence Space, EE
––2026–Portfolio page
HyImpulse
Defence Space, DE
––2026–Portfolio page
TeraSi
Defence Enterprise, SE
––2026–Portfolio page
Thyra
Defence, DE
––2026–Portfolio page
Enclaive
Enterprise, DE
––2025–Portfolio page
ISPTech
Defence Space, DE
––2025–Portfolio page
Kreios Space
Defence Space, ES
––2025–Portfolio page
Quadsat
Defence, DK
––2025–Portfolio page
PhotonPath
IT
––––Portfolio page

Exits

  • PhotonPath Acquired by CienaSource

Shown only when an exit is documented by a public source.

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