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Protolaunch

OPERATING

In-space propulsion systems, throttling control valves, and propulsion testing services from Westcott, UK

ABOUT

Founded in 2019 and based at the Westcott Space Cluster in Buckinghamshire, Protolaunch develops and tests in-space propulsion systems for commercial and space agency customers. The company operates an E-Site Propulsion and Rocket Engine Test Facility at Westcott Venture Park and manufactures fast-acting throttling control valves designed for micro-launcher and lander applications. Protolaunch is also developing its FOx-1 thruster, which uses water electrolysis and targets the in-space servicing, assembly, and manufacturing market.

OVERVIEW
Founded 2019
HQ Westcott, United Kingdom
Type Private Company
CLASSIFICATION
DATA QUALITY
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Last Verified Jun 4, 2026