Phase Four

Pasadena, United States Founded: 2015 • Age: 11 yrs
Plasma propulsion systems for small satellites are developed and manufactured.
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About Phase Four

Phase Four is a company based in Pasadena (United States) founded in 2015.. Phase Four has raised $43.59 million across 6 funding rounds from investors including The Artemis Group, Veteran Ventures Capital and New Science Ventures. The company has 29 employees as of December 31, 2022. Phase Four offers products and services including Valkyrie Thruster and Valkyrie Services. Phase Four operates in a competitive market with competitors including Avio, Exotrail, Ursa Major, Bellatrix Aerospace and Dawn Aerospace, among others.

  • Headquarter Pasadena, United States
  • Employees 29 as on 31 Dec, 2022
  • Sectors
    Aerospace, Defense & Maritime
  • Phone
    *********
  • Website
    *********
  • Social
    *********
  • Legal Name Phase Four, Inc.
Operational Areas
Aerospace, Defense & Maritime → Space Technology & Exploration
Key Metrics
  • Annual Revenue
    $0
    0
    as on Jan 05, 2016
  • Net Profit
  • EBITDA
  • Total Equity Funding
    $43.59 M (USD)

    in 6 rounds

  • Latest Funding Round
    $12.93 M (USD), Series C

    Jan 06, 2025

  • Investors
  • Employee Count
    29

    as on Dec 31, 2022

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Products & Services of Phase Four

Phase Four offers a comprehensive portfolio of products and services, including Valkyrie Thruster and Valkyrie Services. The company's diverse product and service offerings are designed to meet the evolving needs of its customers, address market demands, and provide comprehensive solutions that drive value creation and customer satisfaction across various segments and use cases.

Primary

Provides high-efficiency electric propulsion for satellites in various orbits.

Offers propellant loading and software for satellite mission operations.

People of Phase Four
Headcount 10-50
Employee Profiles 2
Board Members and Advisors 1
Employee Profiles
People
Steve Kiser
COO

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Board Members and Advisors
people
Jim Bridenstine
Director

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Teams

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Funding Insights of Phase Four

Phase Four has successfully raised a total of $43.59M across 6 strategic funding rounds. The most recent funding activity was a Series C round of $12.93 million completed in January 2025. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.

  • Total Funding
  • Total Rounds 6
  • Last Round Series C — $12.9M
  • First Round

    (05 Jan 2016)

  • Investors Count 5
Date Amount Transaction Name Valuation Lead Investors Investors
Jan, 2025 Amount Series C - Phase Four Valuation

investors

Apr, 2023 Amount Series C - Phase Four Valuation

investors

Jun, 2021 Amount Series B - Phase Four Valuation New Science Ventures
Date Amount Transaction Name Valuation Lead Investors Investors
Jul, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Jan, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Investors in Phase Four

Phase Four has secured backing from 5 investors, including institutional and venture fund investors. Prominent investors backing the company include The Artemis Group, Veteran Ventures Capital and New Science Ventures. This diverse investor base provides strategic capital, industry expertise, and valuable network connections that support the company's growth initiatives, market expansion, and long-term value creation.

All
Venture Fund
Institutional
Investor Description Founded Year Domain Location
Veteran-led national security tech firms are supported through investments.
Founded Year Domain Location
Early, mid, and late-stage investments are made in science sectors.
Founded Year Domain Location
Early-stage technology venture capital firm specializing in risk-oriented investments with a humanist approach.
Founded Year Domain Location
Investor Description Founded Year Domain Location
Single family office of Amitabh Bachchan, founder of Amitabh Bachchan Corporation or AB CORP
Founded Year Domain Location
Startup ecosystems are ignited through strategic investments by Signite Partners.
Founded Year Domain Location
Venture capital is directed toward companies in multiple sectors.
Founded Year Domain Location
Venture capital is invested in cybersecurity, fintech, and AI startups.
Founded Year Domain Location

Investments & Acquisitions by Phase Four

Investments
Company Name Description Domain Location Founded Year Amount
Bionic investment advisor platform
2016
Fine Asian gourmet food is offered by an internet-first restaurant.
2016
Physical e-commerce kiosks are deployed for rural purchases in Indonesia.
2014
Fine Asian gourmet food is offered by an internet-first restaurant.
2016

Financial Statements - Phase Four

Tata Steel revenue growth over time
Tata Steel profit and loss trends over time
Date Amount Transaction Name Valuation Lead Investors Investors
Jul, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Jan, 2021 Amount Post-IPO - Grab Valuation

investors

Feb, 2021 Amount Post-IPO - Grab Valuation

investors

Phase Four Comparisons

Employees
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Competitors of Phase Four

Phase Four operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as Avio, Exotrail, Ursa Major, Bellatrix Aerospace and Dawn Aerospace, among others. This competitive environment drives innovation, market differentiation, and strategic positioning as companies strive to capture market share and deliver value to their customers. Understanding the competitive dynamics is crucial for assessing market positioning, identifying growth opportunities, and navigating the challenges inherent in a competitive marketplace.

Company Name Domain Founded year HQ Location Description
domain founded_year HQ Location
Space propulsion components, systems, and satellite launch adapters are developed.
domain founded_year HQ Location
Mobility solutions for small satellites are developed and provided.
domain founded_year HQ Location
Ursa Major is engaged in developing propulsion and defense systems.
domain founded_year HQ Location
Manufacturer of electric and green satellite propulsion systems
domain founded_year HQ Location
Manufacturer of propulsion systems
Company Name Domain Founded year HQ Location Description
domain founded_year HQ Location
Multiple services are booked via an app-based platform.
domain founded_year HQ Location
On-demand services are booked through an app-based platform.
domain founded_year HQ Location
App based platform offering on demand delivery and ride-hailing services
domain founded_year HQ Location
Operates an on-demand hyperlocal delivery app for food and groceries.

Latest news on Phase Four

Frequently Asked Questions about Phase Four

When was Phase Four founded?

Phase Four was founded in 2015 and raised its 1st funding round 1 year after it was founded.

Where is Phase Four located?

Phase Four is headquartered in Pasadena, United States. It is registered at Pasadena, California, United States.

Is Phase Four a funded company?

Phase Four is a funded company, having raised a total of $43.59M across 6 funding rounds to date. The company's 1st funding round was a Series B of $26M, raised on Jan 05, 2016.

How many employees does Phase Four have?

As of Dec 31, 2022, the latest employee count at Phase Four is 29.

What does Phase Four do?

Phase Four was founded in 2015 in Pasadena, United States. Operations are focused on the space sector, where propulsion systems for satellites are manufactured. Electrodeless RF thrusters and iodine-based plasma propulsion systems are developed through a dedicated platform. These technologies support small satellite applications in various space missions.

Who are the top competitors of Phase Four?

Phase Four's top competitors include Exotrail, Avio and Bellatrix Aerospace.

What products or services does Phase Four offer?

Phase Four offers Valkyrie Thruster and Valkyrie Services.

Who are Phase Four's investors?

Phase Four has 5 investors. Key investors include The Artemis Group, Veteran Ventures Capital, New Science Ventures, AFWERX, and Alsop Louie Partners.

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