What is Phase Four?
Founded in 2015, Phase Four is at the forefront of developing advanced electric propulsion systems designed to meet the escalating demands of the rapidly expanding small satellite market. The company's proprietary RFT technology represents a paradigm shift, offering lower costs, mass-manufacturability, miniaturized power electronics, and propellant agnosticism compared to existing solutions, all without compromising performance. Phase Four's Maxwell turn-key propulsion system achieved crucial flight heritage in 2021 and is now a regularly utilized component for small satellite operators, validating its technological prowess and market readiness.
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
New Science Ventures
New Science Ventures is a venture capital firm specializing in early and late-stage companies leveraging novel scientific approaches in life sciences and information technology, aiming to address significant unmet needs.
Leonid
Leonid Capital Partners is a private equity firm focused on investing in middle-market businesses, providing growth capital, buyout financing, or strategic investments to drive value creation.
PPP
Public-Private Partnership
What's next for Phase Four?
With the recent influx of enterprise-level capital, Phase Four is strategically positioned to scale its operations and further refine its groundbreaking RFT technology. The company's focus on providing cost-effective, high-performance propulsion solutions for the burgeoning small satellite constellation market indicates a strong potential for continued growth and market penetration. Future developments are likely to center on expanding manufacturing capabilities, securing additional strategic partnerships, and potentially exploring new applications for their EP systems, solidifying their role as a key player in the new space economy.
See full Phase Four company page
