The success of Seraphim Space, highlighted by its massive £137m C-share fundraising round in May 2026 and a 300% share price return, provides a major boost for the UK space sector. It potentially transforms the UK into a global hub for space finance and shifts the industry from speculative science to scalable commercial reality.
This matters because the UK Government’s main strategy for space has historically been to seed the ground and let the market do the rest. For many years this has meant relatively small grants to exotic and exciting start-ups, but without enough evidence of the scale-up or unicorns it was intended to bring. The Government cites the UK’s return of 1% of GDP for 5% of the global economy as evidence of success, but the variables in this statistic are debated.
However, the Seraphim success tells a clearer story about how the UK can take its place in space. Importantly, it validates London as a global space finance capital. Seraphim’s Space Investment Trust (SSIT) proved that the London Stock Exchange can successfully anchor capital-intensive, deep-tech infrastructure. Completing the largest investment trust fundraising since 2023 signals deep institutional and retail investor confidence which is exciting. It establishes a repeatable path for funding high-risk, high-reward space ventures outside of Silicon Valley which is important because the SpaceX initial public offering (IPO) later this year will create a sense of FOMO for those unable to access that level of investment. London could become a real alternative.
The UK Government’s strategy to concentrate on start-ups first could only deliver results if they went on to better things; recognition in the UK Industrial Strategy’s Advanced Manufacturing Sector Plan that we need to transform the pipeline of start ups into commercialised and industrialised companies is therefore welcome. The Seraphim story triggers a ‘Flywheel Effect’ for UK start-ups as they act as the primary funding escalator for domestic innovators like All.Space and SatVu. The early-stage pipelines are backed by the UK Space Agency’s Accelerating Investment initiative and the Seraphim Space Accelerator and Academy which systematically nurture early-stage UK start-ups. The capital infusion then comes from the newly-raised millions which could be directly deployed into advanced pipelines, keeping UK intellectual property well-capitalised through late-stage growth.
Space is not a science project. The ultimate high ground is essential not only for the domestic economy (underpinning over 18% of GDP), but also for ensuring our national security and resilience. A majority of Seraphim’s portfolio has exposure to defence, security and resilience applications, reflecting growing European demand for sovereign satellite and intelligence capabilities. Seraphim’s wins – such as the US IPO of its portfolio company HawkEye 360 – prove that UK-managed capital can successfully back international dual-use technologies.
Seraphim Space has strategically anchored its UK portfolio around high-growth, high-utility defence, intelligence and secure satellite communications. With governments rapidly increasing defence budgets to counter electronic warfare, infrastructure threats and contested domains, Seraphim’s UK-based holdings are winning major international military and intelligence contracts.
Three critical UK portfolio companies lead this defence and satellite focus including SatVu who provide thermal intelligence & Earth observation services. Based in London, SatVu uses Low Earth Orbit satellites equipped with high-resolution mid-wave infrared sensors to capture thermal data. While originally designed to monitor building energy leaks for climate goals, its primary growth engine has shifted directly into military intelligence and alliance-wide security.
- Astroscale is a global leader in in-orbit servicing and space sustainability, with a significant presence in the UK. The company focuses on debris removal, life-extension services and technologies that enable responsible space operations. Astroscale has delivered pioneering missions demonstrating rendezvous, proximity operations and capture technologies. These capabilities are critical for addressing orbital debris and ensuring the long-term usability of Earth’s orbits. Through close collaboration with governments and industry, Astroscale is shaping the future of space sustainability. Its work positions the UK at the forefront of global efforts to preserve the space environment for future generations.
- D-Orbit is a leading space logistics and transportation company focused on enabling a more sustainable and efficient space economy. Founded in Italy in 2011, the company specialises in orbital transportation services, satellite deployment and in-orbit servicing through its ION Satellite Carrier platform, which delivers satellites to precise orbital positions after launch. D-Orbit works with commercial, institutional and government customers worldwide, helping reduce mission complexity and costs while improving access to space. The company is also committed to addressing the growing challenge of space debris and advancing technologies that support long-term sustainability in Earth’s orbit. Since 2020, D-Orbit has flown 22 missions and carried 210+ payloads, including hosted payloads and satellites deployed in orbit. The company also provides space cloud services based on onboard computing for in-orbit data processing and is developing GEA, a servicing spacecraft intended to support autonomous rendezvous, inspection, and refueling, as well as NOX, a synthetic-aperture radar (SAR) Earth observation satellite.
- SatVu has become an active member of NATO’s Alliance Persistent Surveillance from Space (APSS) initiative and the company has delivered advanced thermal imaging directly to NATO analysts, allowing them to track military movements, vessel operations and industrial activity 24/7. Backed heavily by the British Business Bank and the NATO Innovation Fund (NIF), SatVu secured a major £30 million funding round in early 2026 to accelerate the launch of a multi-satellite thermal constellation.
Seraphim Space does not just view its investments as isolated companies. It actively manages them to create an interconnected ‘SpaceTech stack’ where international heavyweights and UK entities directly reinforce one another. By combining different satellite data types (modalities) with next-generation ground hardware, Seraphim’s portfolio functions as an integrated ecosystem for allied defence networks.
Most importantly, space is clearly now a major engine for growth which currently tops the Government’s list of priorities. The British Business Bank backs Seraphim to achieve national strategic targets including dramatically expanding the UK space sector economy and getting companies to commercial maturity.
According to Seraphim Space Investment Trust’s 2026 interim results, companies representing more than 85% of portfolio fair value are projected to achieve EBITDA profitability in 2026. This demonstrates that the sector has moved past pure speculation and into real economic output. As it looks for a way out of the current fiscal constraints, the Government must now see space as a major route to growth.