Phase Four
Latest round
- Series B
Last raised
- Jun 2021
Total raised
- $5.5M
Investors
- 1
About Phase Four
Founded in 2015 and headquartered in Hawthorne, US, Phase Four LLC focuses on the design and manufacture of electric propulsion systems. In January 2024, Phase Four, Inc.Phase Four specializes in the design, manufacture, and servicing of advanced in-space satellite electric propulsion systems. Their core product, the Valkyrie Thruster, utilizes NASA-licensed Hall-effect Thruster technology and is optimized for performance in low Earth orbit (LEO) and Cis-Lunar environments. This thruster provides significant advantages in thrust, efficiency, and total impulse, suitable for various missions, including satellite maneuvering and deep-space exploration.Phase Four's revenue model is based on direct sales of its propulsion systems and related services, catering to B2B clients such as satellite manufacturers and government space agencies. The Valkyrie Thruster is available for order with a delivery timeline of about ten months post-order, allowing clear transactional timelines with clients. The company also enters into longer-term service agreements that encompass propellant logistics and ongoing support, creating a consistent revenue stream from partnerships and collaborations outlined in memoranda of understanding.In January 2025, Phase Four, Inc. Additionally, Phase Four aims to strengthen strategic partnerships in the space sector, positioning itself for future growth and market expansion.
Who invested in Phase Four
1 investor across 1 round
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Funding rounds
Series B
Jun 10, 2021
Amount
$5.5M
Investors
Questions about Phase Four
Who invested in Phase Four?
Phase Four has 1 investor on record across 1 venture round. Sign up free to see every VC on the cap table and the rounds they joined.
How much funding has Phase Four raised?
Phase Four has raised 1 venture round. Sign up free to see how much each round raised and the total.
When did Phase Four last raise money?
Phase Four's most recent round on record is a Series B, in Jun 2021.
What does Phase Four do?
Founded in 2015 and headquartered in Hawthorne, US, Phase Four LLC focuses on the design and manufacture of electric propulsion systems.
Where is Phase Four headquartered?
Phase Four is headquartered in Hawthorne, US.
Which VCs invest in companies like Phase Four?
Among active investors with capital left to deploy, Andreessen Horowitz, Founders Fund, Accel and Thrive Capital back aerospace companies at Phase Four's stage. Their profiles are linked below.
VCs backing aerospace startups at Series B
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