Open Cosmos Ltd, founded in 2015 and headquartered in Didcot, England at the Harwell Campus, is a prominent player in the aerospace sector specializing in the end-to-end provision of space missions and satellite solutions. The company focuses on designing, manufacturing, launching, operating small satellites, and providing satellite data analytics and insights aimed at addressing global challenges such as environmental monitoring and agricultural yields. Open Cosmos operates three main pillars: bespoke space mission services (Open Orbit), mutualized constellation infrastructure (Open Constellation), and downstream data analytics services (Data Cosmos). It has successfully executed over 10 satellite missions and secured significant international contracts, including a €60 million Earth observation constellation for Greece and a €35 million project with the European Space Agency, underscoring its growing footprint within Europe and beyond. Employing around 150 highly skilled space professionals, Open Cosmos also emphasizes collaborative European governmental projects for shared space infrastructure access and scaling sovereign capabilities. The company’s strategic approach integrates innovation, commercial space expertise, and policy engagement to help democratically expand access to space and the derived benefits of satellite data. Its lobbying efforts within the EU engage with policy frameworks around space infrastructure resilience, satellite communications, space weather hazard assessments, and sustainability of orbital capacity. Open Cosmos actively participates in dialogues regarding space-related risks categorized under Critical National Infrastructure, hence interfacing with multiple EU institutions for regulatory and strategic support. Through leveraging a transparency register and committing to EU lobbying standards, the firm contributes insights and advocacy on space innovation policies, procurement reforms, international cooperation, and investments pivotal for the growth of the European space ecosystem. This multifaceted approach positions Open Cosmos not only as a technical space mission provider but also as an influential stakeholder shaping EU space policy landscapes.