{"changes":[],"country":"US","description":"Portal Space Systems builds Supernova, a solar-thermal spacecraft that gives satellites sustained orbital maneuverability. It serves national-security agencies, scientific missions, and commercial operators needing satellite servicing, debris mitigation, and cislunar logistics. Its solar thermal propulsion concentrates sunlight to heat a monopropellant, delivering up to 6 km/s delta-v with nuclear-class performance but without the regulatory burden.","domain":"portalsystems.space","employees":null,"founded":null,"fundingTotalQuarantined":false,"githubOrg":null,"githubStars":null,"industry":"unknown","investors":[],"lat":47.76232,"lng":-122.205404,"location":"BOTHELL, Washington","name":"PORTAL SPACE SYSTEMS INC.","rounds":[{"amountQuarantined":false,"amountUsd":45000269,"currency":"USD","date":"2025-01-01","investors":[],"leadInvestor":null,"source":{"fact":"round","publisher":"sbir","retrievedAt":"2026-05-08","status":"attributed","url":null},"status":"attributed","type":"grant","url":null}],"slug":"portalsystems-space","sources":[{"fact":"round","publisher":"sbir","retrievedAt":"2026-05-08","status":"attributed","url":null},{"fact":"existence","publisher":"portalsystems.space","retrievedAt":"2026-05-08","status":"self-reported","url":"https://portalsystems.space"},{"fact":"description","publisher":"portalsystems.space","retrievedAt":"2026-05-08","status":"self-reported","url":"https://portalsystems.space"}],"stage":null,"techStack":["Cloudflare","Angular Material","Unpkg","Google Font API","Google Hosted Libraries","jsDelivr","cdnjs","Webflow","AngularJS","Shopify","jquery 3.5.1"],"totalRaisedUsd":45000269,"updatedAt":"2026-05-08"}