What is Phase Four?
Founded in 2015, Phase Four is at the forefront of developing disruptive electric propulsion systems, particularly its radio-frequency thruster (RFT) technology, designed to meet the escalating needs of the small satellite market. The company's proprietary RFT architecture offers advantages such as lower cost, mass-manufacturability, miniaturized power electronics, and propellant agnosticism compared to existing solutions, without compromising performance. Phase Four's Maxwell turn-key propulsion system achieved crucial flight heritage in 2021 and is now a regular component for small satellite operators, positioning the company as a key player in enabling the expansion of satellite constellations.
How much funding has Phase Four raised?
Phase Four has raised a total of $33M across 4 funding rounds:
Debt
$350K
Debt
$359K
Series B
$26M
Other Financing Round
$6.3M
Debt (2020): $350K with participation from PPP
Debt (2021): $359K led by PPP
Series B (2021): $26M supported by New Science Ventures
Other Financing Round (2024): $6.3M featuring Leonid
Key Investors in Phase Four
Leonid
Leonid Capital Partners is a private equity firm or investment company focused on investing in middle-market businesses. The firm may provide growth capital, buyout financing, or strategic investments. Leonid Capital Partners works with management teams to drive value creation and business growth. The firm operates in the private equity and investment management sector.
New Science Ventures
New Science Ventures, LLC (NSV) is a venture capital firm based in Connecticut and London that invests in early and late-stage companies utilizing novel scientific approaches in the life sciences and information technology sectors. The firm focuses on addressing significant unmet needs within these industries. NSV leverages its extensive experience and strong external networks to create value in sectors with long-term growth potential. Their team comprises seasoned investment professionals with expertise in both life sciences and information technology across the US and Europe.
PPP
Public-Private Partnership
What's next for Phase Four?
With the recent influx of major enterprise-level capital, Phase Four is poised for accelerated growth and market penetration. This significant investment is expected to fuel further research and development, enhance manufacturing capabilities to meet increasing demand, and expand its global reach. The company's focus on providing cost-effective and high-performance propulsion solutions positions it to capitalize on the burgeoning small satellite industry, potentially leading to new strategic partnerships and broader adoption of its technology across various space applications.
See full Phase Four company page
