Bulgarian satellite manufacturer EnduroSat has secured more than $100 million in a new funding round aimed at dramatically scaling its production capabilities. The company also announced the opening of a new, large-scale Space Center designed to build up to two satellites per day.
The investment will fuel EnduroSat's efforts to meet the rising global demand for mid-sized satellite constellations. Key investors in this round include prominent names such as Riot Ventures, Google Ventures, and Lux Capital, signaling strong confidence in the company's growth trajectory.
Key Takeaways
- EnduroSat raised over $100 million in its latest funding round from investors including Google Ventures and Lux Capital.
- The company opened a new 188,000+ square foot Space Center in Bulgaria to increase manufacturing.
- The new facility is designed to produce up to two satellites daily, each weighing between 200 and 500 kg.
- This expansion targets the growing market for mid-sized satellite constellations for communications and Earth observation.
New Space Center to Accelerate Production
A central part of EnduroSat's expansion is the inauguration of its new Space Center. The facility spans over 188,000 square feet and is equipped to handle the entire satellite production lifecycle under one roof.
The center includes advanced laboratories, state-of-the-art clean rooms, and comprehensive testing facilities. This integrated setup is designed to streamline manufacturing and quality control, enabling a significant increase in output. The company has set an ambitious goal to assemble and test up to two satellites each day.
Facility at a Glance
- Size: 188,000+ square feet
- Capabilities: Labs, clean rooms, testing facilities
- Production Target: Up to 2 satellites per day
- Satellite Class: ESPA-class (200 kg to 500 kg)
The satellites produced will be in the Frame EELV Secondary Payload Adapter (ESPA)-class, a versatile size category with a mass ranging from 200 to 500 kilograms. This class is popular for building out constellations that require a balance of capability and cost-effectiveness.
Strategic Funding for Market Expansion
The more than $100 million in fresh capital provides the financial power needed for this operational scale-up. The funding round saw participation from a mix of new and existing investors, highlighting sustained market confidence.
Notable participants include:
- Riot Ventures
- Google Ventures
- Lux Capital
- The European Innovation Council Fund
- Shrug Capital
This investment is intended to position EnduroSat as a key player in the mid-sized satellite market. Companies and governments worldwide are increasingly looking to deploy constellations of dozens or even hundreds of satellites for services like global communications and high-resolution Earth observation. EnduroSat's increased capacity is directly aimed at serving this burgeoning sector.
What are Mid-Sized Constellations?
Mid-sized satellite constellations typically consist of several dozen to a few hundred satellites working in concert. They offer a strategic middle ground between smaller, less capable nanosatellites and large, expensive traditional satellites. These networks are ideal for providing continuous coverage for applications like internet services, environmental monitoring, and secure communications.
Building on a Year of Rapid Growth
This latest financial milestone is the second major funding announcement for EnduroSat this year. In May, the company raised ā¬43 million (approximately $48.8 million) to advance its technology further.
That earlier funding was specifically targeted at developing a larger satellite bus. A satellite bus is the main body and structural component of the spacecraft, providing power, propulsion, and control systems. A larger bus can support more powerful and complex payloads.
EnduroSat's development efforts are focused on accommodating advanced instruments for missions involving:
- Hyperspectral Imaging: Capturing images across a wide spectrum of light for detailed analysis of materials on Earth's surface.
- Synthetic Aperture Radar (SAR): An all-weather imaging technology that can see through clouds and darkness.
- Advanced Navigation: Providing precise positioning and timing signals.
Together, the two funding rounds in 2025 total well over $150 million, equipping EnduroSat with the resources to both enhance its technological offerings and massively scale its production to meet customer demand.





