Alternatives to Portal Space Systems
The top SpaceTech companies similar to Portal Space Systems, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
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Rocket Lab75SpaceTechLong Beach, United States$2.1B - Website
Stoke Space74SpaceTechKent, United States$1.3B - Website
Loft Orbital70SpaceTechSan Francisco, United States$326.0M - Website SPSpire Global70SpaceTechVienna, United States$800.0M
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ArianeGroup64SpaceTechParis, France$95.0M - Website
Firefly Aerospace62SpaceTechCedar Park, United States$1.3B - Website ICICEYE60SpaceTechEspoo, Finland$750.0M
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TERRAN ORBITAL59SpaceTechBoca Raton, United States$391.4M - Website
Planet Labs58SpaceTechSan Francisco, United States$730.0M - Website
MAGDRIVE55SpaceTechHarwell, United Kingdom$12.5M - Website FIFirehawk Aerospace54SpaceTechHawthorne, United States$63.5M
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Space Dots51SpaceTechLondon, United Kingdom$1.5M - Website CHChang Guang Satellite Technology47SpaceTechChangchun, China$375.0M
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Charter45SpaceTechDenver, United States$1.0M - Website
BLUE CANYON TECHNOLOGIES63SpaceTechBoulder, United States - Website
Starlink77SpaceTechHawthorne, United States$2.2B - Website SPSpaceFlux37SpaceTechPalo Alto, United States$6.8M
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SpaceX75SpaceTechStarbase, United States$10.0B - Website
Momentus54SpaceTechSanta Clara, United States - Website AGAGILE Space Industries54SpaceTechLoveland, United States
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Axiom Space68SpaceTechHouston, United States$943.0M - Website
MORPHEUS SPACE53SpaceTechPotsdam, Germany - Website
COGNITIVE SPACE52SpaceTechDenver, United States - Website
Airbus Zephyr85Defense TechPortsmouth, United Kingdom$202.4M - Website
Cowboy Space63SpaceTechDenver, United States$275.0M - Website
Cohere63SpaceTechToronto, Canada$500.0M - Website D-D-Orbit Portugal63SpaceTechFino Mornasco, Italy$160.0M
- Website PHPHASEFOUR48SpaceTechRedondo Beach, United States
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ispace technologies Inc.62SpaceTechTokyo, Japan$853.0M - Website
Isar Aerospace62SpaceTechMunich, Germany$270.0M - Website STStarfish Space61SpaceTechTukwila, United States$150.0M
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ANTARIS46SpaceTechPalo Alto, United States - Website
Intuitive Machines60SpaceTechHouston, United States$200.0M - Website
World View60SpaceTechTucson, United States$10.0M - Website
Orbit Fab60SpaceTechGrand Junction, United States$30.0M - Website
SpinLaunch60SpaceTechLong Beach, United States$116.5M - Website
Seraphim Space59SpaceTechLondon, United Kingdom$100.0M - Website
quindar59SpaceTechArvada, United States$20.5M - Website
Stoke Space58SpaceTechKent, United States$685.1M - Website
Astroscale58SpaceTechTokyo, Japan$390.8M - Website
StellarNav41SpaceTechPalo Alto, United States - Website SPSpaceComputer54SpaceTechSingapore, Singapore$10.0M
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Rendezvous Robotics54SpaceTechGolden, United States$4.7M - Website OXOXFORD SPACE SYSTEMS54SpaceTechAbingdon, United Kingdom$10.0M
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AstroForge54SpaceTechAustin, United States$13.0M - Website
LeoLabs53SpaceTechMenlo Park, United States$94.0M - Website
ispace52SpaceTechTokyo, Japan$236.2M - Website
URSA MAJOR71Defense TechBerthoud, United States$100.0M - Website SPSpire50SpaceTechSan Francisco, United States$319.2M
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Endurosat50SpaceTechSofia, Bulgaria$464.3M - Website
Mynaric50SpaceTechMunich, Germany$100.0M - Website
Astra49SpaceTechAlameda, United States$585.0M - Website
Warpspace49SpaceTechTsukuba, Japan$3.6M - Website
Taskade49SpaceTechNew York, United States$1.0M - Website
STELL48SpaceTechTel Aviv, Israel$3.1M - STStar Catcher48SpaceTechJacksonville, USA$65.0M
- Website VIVIRIDIAN32SpaceTechPalo Alto, United States
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Observable Space64AerospaceAdrian, United States$101.0M - Website
APEX44SpaceTechLong Beach, United States$200.0M
| Company | Sector | HQ | Funding | Score | Website |
|---|---|---|---|---|---|
| Rocket Lab | SpaceTech | Long Beach, United States | $2.1B | 75 | Website |
| Stoke Space | SpaceTech | Kent, United States | $1.3B | 74 | Website |
| Loft Orbital | SpaceTech | San Francisco, United States | $326.0M | 70 | Website |
| SPSpire Global | SpaceTech | Vienna, United States | $800.0M | 70 | Website |
| ArianeGroup | SpaceTech | Paris, France | $95.0M | 64 | Website |
| Firefly Aerospace | SpaceTech | Cedar Park, United States | $1.3B | 62 | Website |
| ICICEYE | SpaceTech | Espoo, Finland | $750.0M | 60 | Website |
| TERRAN ORBITAL | SpaceTech | Boca Raton, United States | $391.4M | 59 | Website |
| Planet Labs | SpaceTech | San Francisco, United States | $730.0M | 58 | Website |
| MAGDRIVE | SpaceTech | Harwell, United Kingdom | $12.5M | 55 | Website |
| FIFirehawk Aerospace | SpaceTech | Hawthorne, United States | $63.5M | 54 | Website |
| Space Dots | SpaceTech | London, United Kingdom | $1.5M | 51 | Website |
| CHChang Guang Satellite Technology | SpaceTech | Changchun, China | $375.0M | 47 | Website |
| Charter | SpaceTech | Denver, United States | $1.0M | 45 | Website |
| BLUE CANYON TECHNOLOGIES | SpaceTech | Boulder, United States | — | 63 | Website |
| Starlink | SpaceTech | Hawthorne, United States | $2.2B | 77 | Website |
| SPSpaceFlux | SpaceTech | Palo Alto, United States | $6.8M | 37 | Website |
| SpaceX | SpaceTech | Starbase, United States | $10.0B | 75 | Website |
| Momentus | SpaceTech | Santa Clara, United States | — | 54 | Website |
| AGAGILE Space Industries | SpaceTech | Loveland, United States | — | 54 | Website |
| Axiom Space | SpaceTech | Houston, United States | $943.0M | 68 | Website |
| MORPHEUS SPACE | SpaceTech | Potsdam, Germany | — | 53 | Website |
| COGNITIVE SPACE | SpaceTech | Denver, United States | — | 52 | Website |
| Airbus Zephyr | Defense Tech | Portsmouth, United Kingdom | $202.4M | 85 | Website |
| Cowboy Space | SpaceTech | Denver, United States | $275.0M | 63 | Website |
| Cohere | SpaceTech | Toronto, Canada | $500.0M | 63 | Website |
| D-D-Orbit Portugal | SpaceTech | Fino Mornasco, Italy | $160.0M | 63 | Website |
| PHPHASEFOUR | SpaceTech | Redondo Beach, United States | — | 48 | Website |
| ispace technologies Inc. | SpaceTech | Tokyo, Japan | $853.0M | 62 | Website |
| Isar Aerospace | SpaceTech | Munich, Germany | $270.0M | 62 | Website |
| STStarfish Space | SpaceTech | Tukwila, United States | $150.0M | 61 | Website |
| ANTARIS | SpaceTech | Palo Alto, United States | — | 46 | Website |
| Intuitive Machines | SpaceTech | Houston, United States | $200.0M | 60 | Website |
| World View | SpaceTech | Tucson, United States | $10.0M | 60 | Website |
| Orbit Fab | SpaceTech | Grand Junction, United States | $30.0M | 60 | Website |
| SpinLaunch | SpaceTech | Long Beach, United States | $116.5M | 60 | Website |
| Seraphim Space | SpaceTech | London, United Kingdom | $100.0M | 59 | Website |
| quindar | SpaceTech | Arvada, United States | $20.5M | 59 | Website |
| Stoke Space | SpaceTech | Kent, United States | $685.1M | 58 | Website |
| Astroscale | SpaceTech | Tokyo, Japan | $390.8M | 58 | Website |
| StellarNav | SpaceTech | Palo Alto, United States | — | 41 | Website |
| SPSpaceComputer | SpaceTech | Singapore, Singapore | $10.0M | 54 | Website |
| Rendezvous Robotics | SpaceTech | Golden, United States | $4.7M | 54 | Website |
| OXOXFORD SPACE SYSTEMS | SpaceTech | Abingdon, United Kingdom | $10.0M | 54 | Website |
| SOSophia Space | SpaceTech | Denver, United States | $10.0M | 54 | Website |
| AstroForge | SpaceTech | Austin, United States | $13.0M | 54 | Website |
| LeoLabs | SpaceTech | Menlo Park, United States | $94.0M | 53 | Website |
| ispace | SpaceTech | Tokyo, Japan | $236.2M | 52 | Website |
| URSA MAJOR | Defense Tech | Berthoud, United States | $100.0M | 71 | Website |
| SPSpire | SpaceTech | San Francisco, United States | $319.2M | 50 | Website |
| Endurosat | SpaceTech | Sofia, Bulgaria | $464.3M | 50 | Website |
| Mynaric | SpaceTech | Munich, Germany | $100.0M | 50 | Website |
| Astra | SpaceTech | Alameda, United States | $585.0M | 49 | Website |
| Warpspace | SpaceTech | Tsukuba, Japan | $3.6M | 49 | Website |
| Taskade | SpaceTech | New York, United States | $1.0M | 49 | Website |
| STELL | SpaceTech | Tel Aviv, Israel | $3.1M | 48 | Website |
| STStar Catcher | SpaceTech | Jacksonville, USA | $65.0M | 48 | |
| VIVIRIDIAN | SpaceTech | Palo Alto, United States | — | 32 | Website |
| Observable Space | Aerospace | Adrian, United States | $101.0M | 64 | Website |
| APEX | SpaceTech | Long Beach, United States | $200.0M | 44 | Website |