According to the World Economic Forum, the global space market was valued at $630 billion in recent years. This market is projected to expand to $1.8 trillion by 2035, growing at a compound annual growth rate (CAGR) of 9.14%.
The surge in funding for space startups is contributing to rapid growth in the industry, with private investments and funding reaching $6.5 billion in 2024. In 2025, the space industry will continue to evolve at a rapid pace, driven by the innovative efforts of emerging startups.
In this article, we have shortlisted some of the best space tech startups that are driving innovation in 2025. These companies are pushing the boundaries of space exploration, satellite technology, and space tourism, often partnering with larger space agencies and private sector leaders.
With advancements in propulsion systems, reusable rocket technology, and satellite miniaturization, startups are creating groundbreaking solutions that are not only more cost-effective but also more sustainable. This new wave of space tech startups is contributing to the democratization of space, offering fresh possibilities for communication, data collection, and interplanetary exploration.
Let’s explore the best space tech startups and discover how they shape the next era of space exploration technology.
Top Space Technology Companies 2025
The emerging companies in the space industry are expected to make significant advancements in technology by the year 2025. These leading space startups are focused on satellite services, space exploration, and innovation in spacecraft design and manufacturing. These innovations highlight their role in shaping the future of space exploration and commercialization.
Let’s dive into the top five space technology startups to watch in 2025.
1. Agnikul
Agnikul Cosmos is an Indian top aerospace startup that focuses on developing small satellite launch vehicles to make space more accessible. The company is known for its Agnibaan rocket, a customizable launch vehicle designed to carry small payloads of up to 100 kilograms into low Earth orbit. Agnikul aims to provide affordable and on-demand launch services, catering to the growing market for small satellites used in applications like Earth observation, communication, and navigation.
Founded in 2017, Agnikul is part of India’s expanding private space sector, with plans to compete globally in the rapidly growing small satellite launch market.
A key innovation from Agnikul is its Agnilet engine, the world’s first fully 3D-printed rocket engine. This single-piece design eliminates the need for assembly, reducing manufacturing time and costs while enhancing reliability. The startup collaborates closely with the Indian Space Research Organisation (ISRO) to leverage testing and launch facilities, and it has established partnerships to expand its global reach.
2. Muon Space
Muon Space is one of the emerging space tech companies that focuses on earth observation and climate and develops advanced satellites and data analytics platforms. The company’s mission is to provide high-quality, actionable data to address critical environmental challenges, such as climate change, natural resource management, and disaster response. Muon Space creates its satellites equipped with cutting-edge sensors to collect precise measurements of Earth’s atmosphere, land, and oceans.
Founded in 2021 and based in California, Muon Space is part of the growing space-tech sector focused on leveraging satellite technology to solve pressing global challenges.
The data gathered by Muon’s satellites are used to monitor greenhouse gas emissions, track changes in ecosystems, and predict extreme weather events. By combining satellite data with advanced analytics and machine learning, the company aims to deliver insights that help governments, industries, and researchers make informed decisions.
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3. Astroscale
Astroscale is an innovative space tech startup dedicated to addressing the growing issue of space debris and ensuring the long-term sustainability of outer space. The company develops innovative technologies and services focused on removing debris from Earth’s orbit and managing satellite end-of-life operations.
Astroscale’s solutions include on-orbit servicing, which involves capturing and deorbiting defunct satellites or fragments of space debris, and life-extension services for operational satellites. One of its notable projects is the End-of-Life Services by Astroscale Demonstration (ELSA-d) mission, which tested the ability to capture and remove a simulated piece of debris using a magnetic docking mechanism.
By providing practical debris removal and satellite servicing solutions, Astroscale aims to reduce the risks posed by space debris to active satellites, future missions, and human space exploration. The company works closely with governments, space agencies, and private sector partners to create policies and technologies that promote the sustainable use of Earth’s orbits.
4. Orbex
Orbex is a UK-based space exploration startup focused on developing small satellite launch vehicles. The company specializes in providing cost-effective, environmentally sustainable solutions for launching small satellites into space. Its primary product is the Prime rocket, a next-generation, fully reusable small satellite launcher designed to carry payloads of up to 150 kilograms into low Earth orbit.
Orbex differentiates itself by its commitment to sustainability; the Prime rocket uses a liquid bi-propellant that is designed to be less harmful to the environment compared to traditional rocket fuels. This is in line with the company’s goal to reduce the carbon footprint of space launches, addressing one of the growing concerns about the environmental impact of space exploration.
Orbex also emphasizes modularity, enabling rapid and flexible access to space for commercial and government customers. The company is positioning itself to be a leader in the growing small satellite launch market, which is driven by the increasing demand for Earth observation, communications, and scientific research. Orbex has raised significant funding to advance its technology and is actively working on the development of its rocket, with plans to launch from a new spaceport in Scotland.
5. HALO Space
HALO Space is a Spanish space startup disrupting aerospace in 2025. The company focused on providing affordable and efficient access to space through small satellite launch services. The company develops and operates high-altitude balloon systems to carry small payloads, such as satellites, to the edge of space.
By using high-altitude balloons instead of traditional rockets, HALO Space aims to offer a more cost-effective and environmentally friendly method for launching small satellites and conducting space research. The company’s system is designed to provide flexible, on-demand access to near-space environments, making it particularly appealing for industries like telecommunications, Earth observation, and scientific research.
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The best space tech startups are leading humanity into an exciting new era of innovation and exploration. The startups in this sector are transforming satellite manufacturing, deployment, and tracking. In today’s connected world, satellites play an important role across industries, supporting navigation, communication, emergency response, internet connectivity, and more.
These space tech companies are revolutionizing the industry and bringing advancements in satellite technology, making space more accessible than ever before. These startups are not just shaping the future of exploration but also opening up opportunities for businesses across industries, from communication to agriculture, through advanced space-based technologies.
For space tech startups looking for digital transformation, Clustox offers comprehensive services to accelerate growth and innovation. With expertise in custom software development, AI integration, and cloud solutions, Clustox empowers space tech startups to build high-performance platforms. Whether it’s optimizing data analytics for satellite systems or crafting user-friendly interfaces for mission control, Clustox provides the technical foundation needed to bring your ideas to life. Contact us now to ensure that startups have the tools and support to thrive in the competitive and rapidly evolving space industry.