Join Capital

join.capital ↗Activity from announced rounds

Activity in this selectionSpace tech

JOIN Capital invests early in deep-technology businesses addressing industrial, infrastructure, security and aerospace needs.

Investment focus

The firm describes a close working relationship with founders building technologies intended to scale and remain useful over time. Its published focus includes space systems, communications and technologies supporting resilience and security.

Activity recorded by RoundOS

In RoundOS, TERASi develops millimetre-wave communications, HyImpulse and ISPTech work on launch and propulsion systems, and enclaive provides confidential computing. These recorded financings show a selection of engineering-led infrastructure businesses; they are not a complete account of JOIN’s investments.

Sources
Rounds participated in
3
Confirmed lead rounds
2
1 roles undisclosed
New companies
3
First participation on record · 0 follow-on
Funding in participating rounds
$6.5M
1 disclosed · full round size, not this investor’s share

By stage

Seed2
Series A1

By primary sector

Space tech3

By country

Germany2
Italy1

Rounds

3 in this selection
Iribits

The Italian parent of Golbriak Space, a maker of aerospace laser communication systems.

€4MSeed
Lead
HyImpulse

A launch-services company developing hybrid-propulsion rockets for suborbital research flights and small-satellite launches to orbit.

>€50MSeries A extension
Lead
ISPTech

Develops propulsion systems for in-orbit manoeuvring

Role not disclosed