# Portal Space Systems

**Source:** https://www.startuphub.ai/startups/portal-space-systems
**Profile type:** Startup

> Developing high-powered solar thermal propulsion for spacecraft.

## About

Portal Space Systems is a startup founded in 2021 by former SpaceX engineer Jeff Thornburg, along with co-founders Ian Vorbach and Prashaanth Ravindran. The company is focused on developing and commercializing solar thermal propulsion technology for spacecraft. This technology aims to provide more efficient and powerful in-space propulsion compared to current chemical or electric propulsion systems by concentrating solar heat to heat propellant and achieve high speeds. Portal's technology has potential applications for both commercial satellite operators and the U.S. military for enhanced orbital maneuverability.

## Key facts

- **Slug:** portal-space-systems
- **Website:** https://www.portalsystems.space
- **Location:** Bothell, United States
- **Founded:** 2021-01-01 00:00:00
- **Employees:** 50
- **Operating status:** Active
- **Total funding:** $50M
- **Sectors / tags:** SpaceTech, Defense Tech, Propulsion Systems, Solar Thermal, Spacecraft, Deep Space, In-Space Mobility
- **Social:**
  - LinkedIn: https://www.linkedin.com/company/portal-space-systems
  - Twitter: https://twitter.com/PortalSpaceSys

## Frequently asked

### What does Portal Space Systems do?

Portal Space Systems is a startup founded in 2021 by former SpaceX engineer Jeff Thornburg, along with co-founders Ian Vorbach and Prashaanth Ravindran. The company is focused on developing and commercializing solar thermal propulsion technology for spacecraft. This technology aims to provide more efficient and powerful in-space propulsion compared to current chemical or electric propulsion systems by concentrating solar heat to heat propellant and achieve high speeds. Portal's technology has po…

### How much funding has Portal Space Systems raised?

Portal Space Systems has raised a total of $50M in funding. The most recent round on record is Series A.

### Where is Portal Space Systems headquartered?

Portal Space Systems is headquartered in Bothell, United States.

### When was Portal Space Systems founded?

Portal Space Systems was founded in 2021.

### What industry does Portal Space Systems operate in?

Portal Space Systems operates in SpaceTech, Defense Tech, Propulsion Systems, Solar Thermal, Spacecraft, Deep Space.

### How many employees does Portal Space Systems have?

Portal Space Systems has approximately 50 people on record.

### What is Portal Space Systems's revenue?

StartupHub estimates Portal Space Systems's annual revenue at $21.4M (range $12.7M to $35.9M, 70% confidence), based on comparable companies in the sector.

### What is Portal Space Systems's valuation?

StartupHub estimates Portal Space Systems's effective valuation at $245.0M (range $171.5M to $318.5M, 42% confidence), based on comparable companies in the sector.

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