Silent Sky

Based in South Korea, Silent Sky is a company specializing in the design and manufacture of custom drone propellers, offering innovative solutions for various mission-specific applications. Silent Sky is focused on producing high-quality drone propellers for diverse applications. Founded in 2025 in Seoul, South Korea, the company has secured pre-seed funding of KRW 150 million in July 2025 from investor Antler. The CEO is Da-bin Kim, and the company has executed a total of 1 deal to date.

Silent Sky specializes in the design and manufacture of custom drone propellers that are optimized for various mission-specific applications. Their core product offerings include ultra-precise, mission-optimized propellers crafted using advanced 3D-printed molds and carbon composite technology, which allows for rapid production and customization. These propellers cater to diverse use cases, such as Urban Air Mobility (UAM), agricultural spraying, logistics and delivery, military applications, and rescue operations. Silent Sky's clients range from commercial agriculture businesses seeking improved spraying accuracy to logistics companies requiring stable long-range flight capabilities for their delivery drones.

The company serves a global market, including North America, Europe, and parts of Asia, ensuring that their innovative propeller solutions meet the unique demands of various operational environments. Silent Sky generates revenue through direct B2B transactions with clients in industries such as agriculture, logistics, and military. The company operates on a project basis, where clients approach Silent Sky with specific requirements for drone propellers, leading to a tailored proposal that includes pricing and timelines. Each transaction typically involves a detailed discovery process to understand the client's operational needs, followed by the design, prototyping, and production phases.

Silent Sky offers customized solutions that may include exclusive agreements for specific propeller designs catering to unique mission profiles. The pricing structure is determined based on the complexity of the design, materials used, and the scale of production, ensuring that each client receives a product that meets their operational specifications while supporting their overall mission efficiency. Silent Sky plans to expand its product line with new drone propeller designs tailored for emerging markets by the end of 2025. The recent funding of KRW 150 million raised in July 2025 will support the development of these new products and facilitate entry into new geographic regions, specifically targeting markets in North America and Europe, aiming for a stronger foothold in these areas.