Portal Space Systems
Manoeuvrability when you need it. On demand.
Spacecraft built on solar thermal propulsion that reposition, rendezvous and persist, for missions a static satellite can't fly.
Read more portalsystems.space ↗We back founders building commercial space and allied defence technology across the Five Eyes, from Earth to the Moon.
11 capabilities, from launch vehicles and propulsion to the ground systems that talk to everything above. Juno Propulsion is rebuilding the rocket engine.
17 capabilities. Earth observation alone holds 85 of the companies we track. Portal Space Systems gives spacecraft the power to move on demand.
7 capabilities, from lunar landers to surface power. Few companies hold them yet. That is the opportunity.
Sovereignty is moving to orbit™. We map who is building it, then we write the first cheque.
Sovereignty is moving to orbit.™ Navigation, timing, communications and warning all pass through space before they reach the ground. The capability free nations will rely on is being started today, by small teams. We meet them first.
Satellites that watch, listen and communicate for allied nations, in peacetime and in conflict.
Propulsion, mobility and servicing: the engines of an orbital economy.
Ground systems, mission software and autonomy that make space usable on Earth.
Cost to put one kilogram in low Earth orbit, in US dollars. When launch is abundant, value moves into what operates in orbit: propulsion, servicing, sensing and autonomy.
| Vehicle and year | US dollars per kilogram |
|---|---|
| Space Shuttle · 1981 | $85,216 |
| Atlas V 551 · 2016 | $5,685 |
| Falcon 9 · 2010 | $1,500 |
| Falcon Heavy · 2018 | $951 |
| Starship target · 2026+ | <$100 |
Manoeuvrability when you need it. On demand.
Spacecraft built on solar thermal propulsion that reposition, rendezvous and persist, for missions a static satellite can't fly.
Read more portalsystems.space ↗Rocket engines, brought from 1940s physics into this century.
A rotating detonation engine burns propellant in a supersonic wave that spins around the chamber, releasing more energy from every kilogram. Juno is working toward the first one fired in orbit.
*Potential impact as described by Juno Propulsion.
Read more junopropulsion.com ↗
Every company, funder, person and mission, connected by the capability it holds. It shows us where the field is crowded, where it is empty, and who depends on whom.
We invest in the horizontal layer: the capabilities a mission depends on, whatever it is flying. Choose one to see the problem it solves.
Between orbits, spacecraft run out of manoeuvre long before they run out of mission.
Correct your listing and put your company in front of the people who use the map.
The full 3D Atlas launches soon. Be among the first in.
Every cheque is checked against the Atlas: who else holds the capability, who needs it first, and who buys it.
We lead or anchor at pre-seed and seed, when a technical founder's insight is the only asset on the table.
Built for Five Eyes buyers, export realities and sovereign supply chains from the first meeting.
Podcasts, accelerators and programs that put founders in front of primes, agencies and the next round's lead.
Low-cost, rapid access to low Earth orbit was built by engineers like ours. That experience is how we judge the companies that follow.
A partner reads every submission. You'll get a clear yes, no, or not yet.
Cohort 2 is open to space startups in Canada and around the world.
Building in commercial space or allied defence in Canada, the US, the UK, Australia or New Zealand? Tell us what you're building.