Insights

Market Leadership Potential Phase Four's innovative propulsion technology, including the Maxwell plasma thrusters, positions it as a key player in the satellite propulsion market, enabling scalable satellite constellation deployments and offering cost-effective solutions that could appeal to large satellite operators and constellation providers.

Growth Opportunity With recent asset sales to Quantum Space and a focus on high-performance, reliable propulsion systems, there is room to explore partnership or replacement opportunities with customers seeking advanced satellite propulsion capabilities with longer lifespan and reduced failure points.

Target Customer Segments The company's focus on small satellite propulsion solutions suggests that defense agencies, commercial satellite operators, and space startups aiming for rapid deployment and cost efficiency are prime prospects for sales engagement.

Technology Advantage Phase Four's cutting-edge RF thrusters and emphasis on manufacturability, performance, and durability provide a compelling value proposition for organizations seeking reliable, high-performance satellite propulsion systems that minimize maintenance and operational costs.

Funding & Revenue Focus Although the company's current revenue is modest, strategic technology launches and advancements position it for expansion in the satellite propulsion market, offering potential for scalable sales pipelines aligned with growing satellite constellation initiatives.

Phase Four Tech Stack

Phase Four uses 8 technology products and services including Google Hosted Libraries, WordPress, MySQL, and more. Explore Phase Four's tech stack below.

  • Google Hosted Libraries
    Content Delivery Network
  • WordPress
    Content Management System
  • MySQL
    Database
  • Altium
    Dev Tools
  • iOS
    Programming Languages
  • Greenhouse
    Recruitment Marketing
  • LabVIEW
    Visualisation Software
  • Apache
    Web Servers

Phase Four's Email Address Formats

Phase Four uses at least 1 format(s):
Phase Four Email FormatsExamplePercentage
First.Last@phasefour.ioJohn.Doe@phasefour.io
45%
First@phasefour.ioJohn@phasefour.io
9%
Middle@phasefour.ioMichael@phasefour.io
1%
First.Last@phasefour.ioJohn.Doe@phasefour.io
45%

Frequently Asked Questions

What is Phase Four's phone number?

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You can contact Phase Four's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Phase Four's official website and social media links?

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Phase Four's official website is phasefour.io and has social profiles on LinkedInCrunchbase.

How much revenue does Phase Four generate?

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As of December 2025, Phase Four's annual revenue is estimated to be $1.3M.

What is Phase Four's SIC code NAICS code?

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Phase Four's SIC code is 3761 - Guided Missiles and Space Vehicles NAICS code is 336414 - Guided Missile and Space Vehicle Manufacturing.

How many employees does Phase Four have currently?

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As of December 2025, Phase Four has approximately 25 employees across 2 continents, including North AmericaAfrica. Key team members include Chief Information Officer: C. E.Chief Technology Officer: U. S.President: B. C.. Explore Phase Four's employee directory with LeadIQ.

What industry does Phase Four belong to?

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Phase Four operates in the Defense and Space Manufacturing industry.

What technology does Phase Four use?

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Phase Four's tech stack includes Google Hosted LibrariesWordPressMySQLAltiumiOSGreenhouseLabVIEWApache.

What is Phase Four's email format?

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Phase Four's email format typically follows the pattern of First.Last@phasefour.io. Find more Phase Four email formats with LeadIQ.

When was Phase Four founded?

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Phase Four was founded in 2015.

Phase Four

Defense and Space ManufacturingCalifornia, United States11-50 Employees

Based in Hawthorne, California, Phase Four is enabling the exponential growth of satellite constellations by solving the satellite’s costliest problem, the propulsion system. By eliminating the most common failure points in legacy technologies – electrodes, high-voltage electronics, and complex fabrication – Phase Four has built a system that offers reliable high performance with baked-in manufacturability. Our systems provide Hall Effect Thruster performance at a fraction of the price and delivery timeline, with nearly double the lifespan. 

Check out our open positions at at www.phasefour.io/careers if you have interest in joining our mission.

Section iconCompany Overview

Phone number
SIC Code
3761 - Guided Missiles and Space Vehicles
NAICS Code
336414 - Guided Missile and Space Vehicle Manufacturing
Founded
2015
Employees
11-50

Section iconFunding & Financials

  • $1M$10M

    Phase Four's revenue is estimated to be in the range of $1M$10M

Section iconFunding & Financials

  • $1M$10M

    Phase Four's revenue is estimated to be in the range of $1M$10M

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