In a world where connectivity and data access are more crucial than ever, satellite companies are playing a pivotal role in shaping how individuals, businesses, and governments communicate.
London, one of Europe’s most influential tech capitals, is home to a range of innovative satellite firms pushing the boundaries of aerospace technology, satellite communications, and data solutions. This blog explores the top 10 satellite companies in London and what makes them industry leaders.
Who Are the Top 10 Satellite Companies in London?
1. Viasat + Inmarsat – “Connecting a world in motion”
Viasat + Inmarsat is one of the most established satellite companies in London, providing mobile satellite services across land, sea, and air. With more than 40 years in the industry, the company offers global voice and broadband solutions via its extensive satellite network.
It is trusted by maritime fleets, aviation operators, humanitarian organisations, and governments worldwide. Their Global Xpress network ensures broadband-quality internet even in the most remote regions. Though acquired by Viasat in 2021, Inmarsat continues to operate independently from its London HQ, delivering mission-critical connectivity across the globe.
Focus Area
Global satellite communications for mobile and remote sectors.
Ideal For
Operators in aviation, maritime, and government needing secure and stable satellite connectivity.
Pricing: Varies by package and region; hardware costs are separate.
- Website: https://www.viasat.com/
- Phone: +44 20 7728 1000
- Address: 50 Finsbury Square, London EC2A 1HD, United Kingdom
- Email: viasat.listens@viasat.com
Review: ★★★★★ “We rely on Inmarsat to keep our vessels connected stable, fast, and essential to operations.”
2. OneWeb – “Connectivity for everyone, everywhere”
OneWeb is redefining satellite internet with its ambitious constellation of low-Earth orbit (LEO) satellites. Headquartered in London, OneWeb partners with telecom operators, not end users, enabling them to deliver broadband to underserved areas.
Following a significant recovery effort supported by the UK government and Bharti Global, OneWeb has completed the core phase of its global satellite network. Its upcoming merger with Eutelsat is set to create one of the world’s most robust satellite internet systems. The company is playing a key role in bridging the global digital divide.
Key Strength
High-speed, low-latency LEO satellite connectivity for B2B telecom markets.
Best Fit
ISPs and telecom operators needing to extend coverage into remote or rural areas.
Pricing: Structured through partner service providers.
- Website: oneweb.net
- Address: BBC Broadcast Centre, London (Stratford area)
- Email: Contact Form
Review: ★★★★★ “OneWeb’s performance exceeded our expectations excellent low-latency for our remote expansion plans.”
3. SatVu – “The world’s thermometer”
SatVu is a satellite imaging company delivering thermal Earth observation data to monitor infrastructure, cities, and the environment. Based in London and founded in 2016, SatVu’s technology captures heat signatures from buildings and landscapes, providing actionable insights for energy audits, sustainability efforts, and urban planning.
By leveraging thermal analytics from space, they help businesses and governments reduce energy waste and track climate impact. Their satellites provide real-time, high-resolution heat maps that can detect anomalies and optimise energy usage.
Area of Impact
Thermal Earth observation for climate analytics and infrastructure efficiency.
Suitable Users
Planners, developers, and analysts needing real-time thermal data.
Pricing: Custom pricing based on data usage and scale.
- Website: satellitevu.com
- Address: Sustainable Workspaces, County Hall, Belvedere Rd, London SE1 7PB
- Email: hello@ha-lo.co
Review: ★★★★★ “The data gave us deep insight into heat loss across properties incredibly valuable for our audits.”
4. Open Cosmos – “The simple way to go to space”
Open Cosmos offers full-service satellite missions for organisations that want to launch and operate satellites without managing complex logistics. From its design labs to mission control, Open Cosmos manages everything from hardware development to data delivery.
The company empowers governments, startups, and research institutions with cost-effective, scalable access to space. Though their operations extend into Oxfordshire’s space cluster, they maintain strong commercial and strategic links to London’s innovation scene.
Distinct Capability
End-to-end satellite mission support from design to data.
Intended Users
Firms or agencies launching custom payloads for earth observation or science missions.
Pricing: Mission-based and entirely customised.
- Website: open-cosmos.com
- Address: Unit 7 Zephyr Building, Eighth Street, Harwell, Didcot OX11 0RL
- Email: pr@open-cosmos.com
Review: ★★★★☆ “Open Cosmos made our project stress-free. Great team and support throughout the mission.”
5. Value.Space – “Space-based risk assessments and monitoring”
Value.Space leverages satellite data and AI to identify structural risks in buildings, bridges, and critical infrastructure. Their London-based team uses radar data to track ground movement and deformation that could indicate damage or instability.
It’s particularly useful in sectors like insurance and real estate, where accurate risk modelling is crucial. Their InSAR technology provides clients with early warnings, helping avoid costly repairs and potential disasters.
Core Focus
Predictive risk analytics using InSAR satellite imagery and AI.
Tailored For
Property insurers, risk managers, and infrastructure consultants.
Pricing: Based on asset type and monitoring area.
- Website: value.space
- Address: 152-160 City Road. London, EC1V 2NX
Review: ★★★★☆ “Their insights helped us take preemptive action on several key assets well worth the investment.”
6. ReliaSat – “Ka-band communication experts”
ReliaSat is a specialist in high-frequency satellite hardware manufacturing, focused on Ka-band and phased-array antenna systems. Their London-based engineering team delivers critical components such as amplifiers, transceivers, and flat-panel antennas that support advanced satellite networks.
Whether ground-based or on-orbit, ReliaSat’s components are known for their durability and high throughput, serving both commercial and defence clients with precision-built satellite communications systems.
Technical Edge
Manufacturing advanced satellite hardware for high-data-rate applications.
Built For
Satellite integrators and network providers needing reliable components.
Pricing: Custom quotes based on product specs and volume.
- Website: reliasat.com
- Phone: 01793 683564
- Address: Kingston House, Lydiard Fields, Great Western Way, Swindon SN5 8UB
- Email: sales@reliasat.com
Review: ★★★★☆ “Excellent performance hardware precise, durable, and delivered on time for our integration project.”
7. PlanetWatchers – “SAR data that sees through anything”
PlanetWatchers transforms radar satellite data into powerful geospatial insights, especially for the agricultural and natural resources sectors.
The company’s proprietary AI algorithms process SAR imagery to deliver crop monitoring, damage assessments, and land use intelligence regardless of weather or daylight. From large growers to crop insurers, their clients use these insights to make faster decisions and improve claim efficiency, even during peak disaster seasons.
Primary Benefit
Always-on crop monitoring through AI-enhanced SAR data.
Target Audience
Insurers and agribusinesses operating at large scale or across varied terrain.
Pricing: Project-based depending on size and coverage area.
- Website: planetwatchers.com
- Address: London, UK
Review: ★★★★★ “Their insights drastically reduced our claim processing time a game-changer during storm season.”
8. Space Power – “Beaming energy through space”
Space Power is revolutionising in-orbit energy by developing a system that delivers wireless laser-powered energy from one satellite to another. This auxiliary power system is intended to rescue satellites experiencing power loss or extend mission durations.
As energy becomes a limiting factor for satellite longevity, Space Power’s innovation could play a pivotal role in next-gen satellite operations. Though still in the R&D phase, their concept is gaining significant traction in London’s growing space-tech community.
Niche Expertise
Wireless laser power transmission for satellites in orbit.
Audience Served
Satellite operators managing fleets in LEO and GEO.
Pricing: Negotiated per mission based on power needs and integration.
- Website: https://space-power.com/
- Phone: Not listed
- Address: Campus, Harwell, Didcot OX11 0QX, United Kingdom
- Email: office@space-pwr.com
Review: ★★★★★ “Incredible concept a potential lifesaver for satellites running low on power mid-mission.”
9. NewOrbit Space – “Breathing in space to stay in orbit”
NewOrbit is creating satellites that operate in ultra-low Earth orbit (VLEO) using atmospheric drag as propulsion. Their air-breathing engine concept allows satellites to fly closer to Earth while maintaining orbit, giving them the ability to collect sharper images more frequently.
Though technically based in Reading, their close integration with London’s space network places them firmly within the capital’s innovation map. Their eco-conscious propulsion design also reduces reliance on traditional fuel systems.
Signature Innovation
VLEO air-breathing propulsion for longer-lasting Earth observation.
Top Clients
Environmental firms and mapping agencies demanding high-resolution, daily imagery.
Pricing: Custom depending on payload and mission duration.
- Website: neworbit.space
- Address: 11 S View Park, Reading RG4 5AF
- Email: info@neworbit.space
Review: ★★★★★ “Their propulsion system could change the satellite game incredibly smart and eco-aware.”
10. Astroscale – “Cleaning up space, one satellite at a time”
Astroscale is an international company with a strong presence in London, committed to space sustainability through debris removal and satellite servicing solutions. As Earth’s orbit becomes increasingly crowded, Astroscale is developing pioneering technologies to safely remove defunct satellites and prevent collisions in space.
Their UK office focuses heavily on research, mission design, and regulatory support, contributing to both national and global space safety initiatives. The company’s ELSA (End-of-Life Services) missions are a world-first in active debris capture, aiming to ensure future orbits remain usable for generations.
Core Mission
Orbital debris removal and end-of-life satellite servicing.
Most Useful For
Satellite operators, governments, and regulators concerned with orbital sustainability.
Pricing: Based on mission design, complexity, and volume of debris or servicing needs.
- Website: astroscale.com
- Address: Moorgate area, London, UK
- Email: Contact form
Review: ★★★★★ “Astroscale is doing the essential work no one else dared to tackle true leaders in orbital safety.”
What Makes London a Strategic Location for Satellite Companies?
London provides a perfect environment for the growth of satellite firms due to its unmatched access to skilled talent, established tech infrastructure, and strong governmental support.
The presence of top-tier universities like UCL and Imperial College London supplies the industry with cutting-edge researchers and engineers. The UK Space Agency and various public funding schemes support R&D, making innovation more accessible for startups and global corporations alike.
Furthermore, London’s geographic positioning and its connections with both US and European markets offer satellite companies a strategic base to expand globally.
How Are Satellite Companies Transforming UK Connectivity?
Satellite companies in London are helping eliminate the digital divide by providing high-speed internet in remote and rural regions. For example, companies like OneWeb and Avanti have deployed satellite broadband systems to deliver internet access where traditional fibre optics can’t reach.
This has not only benefited residential users but also enabled schools, hospitals, and emergency services to operate in isolated areas. The role of satellites in enabling the next wave of 5G and IoT applications is also growing. Businesses are increasingly relying on satellite networks for consistent data exchange in transport, agriculture, and infrastructure monitoring.
What Services Do These Satellite Companies Offer?
The services provided by these companies vary widely but generally fall under:
- Satellite communication: Offering voice, video, and data services for maritime, aviation, and enterprise users.
- Broadband connectivity: High-speed internet via satellite for businesses and remote communities.
- Earth observation: Capturing high-resolution imagery and data for environmental monitoring, agriculture, and urban planning.
- Satellite design and launch: Some companies develop small satellite launch platforms or components for LEO and GEO systems.
- Terminal and hardware development: Innovative antennas, modems, and terminals for better data transmission.
These offerings serve not only UK-based customers but also international markets, positioning London as a global satellite innovation centre.
How to Choose the Best Satellite Company in London?
Choosing the right satellite company depends on your specific needs. For instance, if you’re a government agency, your priorities may be secure communications and regulatory compliance. If you’re a rural business, you might focus on speed, coverage, and pricing.
Key factors to consider include:
- Type of service offered (broadband, communication, data, etc.)
- Customer reviews and technical support quality
- Company certifications and licensing (Ofcom, ISO, UK Space Agency)
- Pricing structure and service level agreements (SLAs)
- Technology stack and future-proof capabilities
Always ensure the provider has a clear service footprint in your area and has experience in your sector.
Are Satellite Startups in London Leading Global Innovation?
Yes, London’s ecosystem supports an impressive range of satellite startups innovating in both hardware and software. Companies like SatixFy UK are known for their advanced beamforming technology and chipsets, essential for next-generation connectivity.
Meanwhile, Isotropic Systems has revolutionised the way satellites communicate with ground systems using optical terminals. These companies benefit from active venture capital networks and support from space-tech accelerators, giving them a global platform from the start.
Such startups are not just contributing locally they are partnering with international space agencies and global telecom firms to deploy transformative satellite solutions worldwide.
What’s the Future of Satellite Technology in London?
London is already a global player in the satellite industry, and its future looks even brighter. With firms deploying Low Earth Orbit (LEO) constellations, like OneWeb, the possibilities of ultra-fast, low-latency internet are closer than ever.
Beyond connectivity, satellites are playing a major role in monitoring environmental changes and supporting smart city developments. The integration of AI and machine learning into satellite imagery analysis is improving real-time decision-making in sectors like agriculture, climate response, and national defence.
As regulations catch up with innovation and more funding becomes available, expect London to be a frontrunner in commercial and governmental satellite technology over the next decade.
Comparison of the Top 10 Satellite Companies in London
| Company | Services Offered | Google Rating | Specialisation | Website |
| Avanti | Satellite broadband, enterprise | 4.4 | Rural internet connectivity | https://www.avantiplc.com |
| OneWeb | LEO satellite internet | 4.6 | Low-latency broadband | https://www.oneweb.net |
| Inmarsat | Global mobile comms | 4.5 | Maritime, aviation, military | https://www.inmarsat.com |
| SatixFy UK | Space-grade electronics | 4.2 | Beamforming & modems | https://www.satixfy.com |
| Isotropic Systems | Advanced satellite terminals | 4.7 | Optical terminals | https://www.all.space |
| CGG Satellite Mapping | Earth observation & analytics | 4.3 | Mapping & geospatial data | https://www.cgg.com |
| Telespazio UK | Aerospace & defence services | 4.4 | Satellite operations & R&D | https://www.telespazio.co.uk |
| Earth-i Ltd | Satellite imagery & analytics | 4.5 | Geospatial intelligence | https://www.earthi.space |
| Orbex | Satellite launch systems | 4.6 | Eco-friendly micro-launchers | https://www.orbex.space |
| QinetiQ Space | Defence & security technologies | 4.5 | Defence-grade satellites | https://www.qinetiq.com |
Why Do Businesses in London Rely on Satellite Services?
Businesses across multiple sectors rely on satellite technology for reliable, scalable, and secure data solutions. Construction firms use real-time mapping and imaging. Logistics companies track shipments across borders using satellite-enabled GPS. Banks rely on satellite backup for communication during outages.
In remote or hard-to-reach locations, satellite broadband ensures continuity of service, while encrypted satellite communication provides unparalleled security for government and military applications.
What Are the Regulatory and Compliance Standards?
Satellite operations in London must comply with UK and international standards. The UK Space Agency governs all space activities and provides oversight for launches, while Ofcom regulates satellite frequencies and licences. Additionally, companies must comply with international treaties coordinated through the International Telecommunication Union (ITU) and European Space Agency (ESA) if operating outside UK borders.
Adherence to these standards ensures safety, spectrum efficiency, and international coordination critical for successful long-term satellite operations.
What Challenges Do Satellite Companies Face in London?
Despite the rapid growth, satellite companies face several challenges. One major issue is the high cost of research, testing, and launching satellites. Urban space limitations can also affect ground station placement and satellite testing facilities.
Regulatory delays can slow down innovation, particularly for startups that rely on rapid deployment cycles. Furthermore, the industry faces growing competition, not just locally but from global tech giants entering the satellite communications space.
Conclusion
Satellite companies in London are pioneering a new era of connectivity, innovation, and data intelligence. Backed by government support, private investment, and a deep talent pool, these firms are shaping the future of global communications and space exploration.
Whether it’s delivering internet to the most remote corners of the UK or supporting climate change research from space, the contributions of London-based satellite companies are immense and only growing.
FAQs About Satellite Companies in London
What are the top services offered by satellite companies in London?
Services include satellite internet, communication, data analytics, imaging, and engineering for space missions.
Are London satellite companies suitable for small businesses?
Yes, many companies offer scalable packages for SMEs, especially for remote connectivity or secure communications.
Do satellite internet providers in London offer residential services?
Companies like Avanti and OneWeb are expanding their services to include home broadband in rural areas.
What are the benefits of satellite internet over fibre?
Satellite internet offers broader coverage and is ideal for locations where fibre installation isn’t feasible.
How can I get in touch with these companies?
Visit their official websites listed above for quotes, consultations, or technical support.
Are there satellite companies in London working with the UK government?
Yes, companies like Inmarsat, QinetiQ, and Telespazio often collaborate with defence and governmental agencies.
Is satellite technology eco-friendly?
Some newer firms, like Orbex, are actively developing environmentally friendly launch systems and reusable hardware.