Impulse Space, a Southern California-based company, has secured $300 million in funding, one of the largest capital raises in space in recent years. The investment follows a successful fundraising round last year that raised $150 million.
To understand why Impulse was able to secure additional funding, founder Tom Mueller and CEO Eric Romo spoke with Ars about high demand for their efficient in-space vehicles. Early missions have been successful, allowing the company to capitalize on its momentum and scale up operations.
Impulse plans to use the new funding to release conservative restrictions on hiring and capital expenditures, enabling it to invest in electric propulsion systems and potentially other vehicles that will drive long-term growth. With 250 employees currently working at its Redondo Beach facility, Impulse aims to reach 300 employees by year’s end and find a larger headquarters.
Despite being only four years old, Impulse has already achieved significant successes, including the development of the Helios vehicle, which could significantly improve SpaceX’s Falcon 9 and Falcon Heavy capabilities for shipping large payloads to the Moon, Mars, and other destinations in the Solar System.
Source: https://arstechnica.com/space/2025/06/an-in-space-propulsion-company-just-raised-a-staggering-amount-of-money