Why UK Space Tech Is Having a Moment
UK Space Tech startups are attracting record levels of private capital because falling launch costs, rising defence budgets and AI-powered satellite data have converged at the same time. Satellite launches increased rapidly between 2019 and 2023, driven largely by commercial constellations, while launch costs have fallen roughly tenfold over the past two decades (World Economic Forum/McKinsey, 2024). Those shifts have turned space into a genuinely investable sector for early-stage venture capital, rather than a niche reserved for sovereign wealth funds.
British space investment firm Seraphim Space recently closed its second venture fund above its $100 million target, pulling in backers including the British Business Bank, the National Security Strategic Investment Fund, and satellite operator Arabsat, alongside existing partners Eutelsat, NEC and SKY Perfect JSAT (SpaceNews, February 2026).
That close took Seraphim's assets under management past $550 million, cementing its place as one of the most active dedicated managers of UK space sector investment today. The UK Space Agency has also played a role in building the conditions that make this kind of fundraising possible, from licensing frameworks to co-investment that de-risks early-stage space investment for private capital.
Earth Observation, Launch and Satcoms Explained
UK Space Tech startups operate across three core segments earth observation, launch services and satellite communications each solving a different commercial problem. Earth observation companies use satellite imagery to monitor crop health, flood risk and maritime activity, then sell that intelligence to governments, insurers and agribusinesses, arguably the most mature, revenue-generating slice of the industry today.
Launch services cover the rockets, spaceports and in-orbit transport systems that get payloads into space and back down safely. It's historically the most capital-intensive segment, and sovereign interest in reducing reliance on US launch providers has pushed fresh space investment toward European alternatives. Satcoms is the segment closest to consumer technology: companies here build constellations that connect devices directly, cutting out ground-based cell towers. All three segments recur throughout the UK space tech startups that make up Seraphim's own portfolio.
Seraphim and the Funding Behind the Sector
Seraphim Space has backed 149 companies across 33 countries since 2016, with its newest fund, Seraphim Space Ventures II, already deploying capital into 17 companies across the US and Europe since launching in 2024 (SpaceNews; Global Venturing). That track record with portfolio companies collectively raising more than £10 billion in follow-on funding and nine reaching unicorn status is why Seraphim is treated as the reference point for UK space sector investment.
The structure of the raise matters too. Rather than relying purely on specialist investors, Seraphim pulled in strategic corporate LPs alongside UK government vehicles like the British Business Bank and the National Security Strategic Investment Fund, signalling that space investment is now treated as core economic infrastructure rather than a niche bet.
Globally, space technology investment reached $12.4 billion for the year, with $3.8 billion landing in the fourth quarter alone (Seraphim data, via Global Venturing) a new peak that UK startups have benefited from this recovery, supported by Seraphim and UK government initiatives.
Companies to Watch
Open Cosmos (The Data Aggregator) — Harwell-based Open Cosmos raised $50 million in a Series B round back in September 2023, and has since institutionalised a "Satellite-as-a-Service" model (SpaceNews). Instead of treating hardware as an end product, Open Cosmos builds and manages shared orbital data constellations for enterprise and sovereign clients through its DataCosmos platform. By aggregating raw imagery into an accessible software layer, the company has done what few deep tech startups manage: unlocked a predictable, high-margin B2B revenue stream. It has since been reported to be seeking further funding to expand its satellite fleet.
Skyrora (The Launch Survivor) — With its main domestic competitor Orbex sliding into administration in early 2026 after raising £102 million in private funding plus £20 million in UK government grants and €35 million from the European Space Agency (Electronics Weekly), Glasgow-based Skyrora now carries the mantle for sovereign UK launch capabilities.
The operator passed a critical milestone on 24 June 2026, completing a hot-fire test of its Skyrora XL rocket at Shetland's SaxaVord Spaceport, the first major orbital rocket engine test conducted at a UK spaceport (Space Scotland). If it can maintain that testing pace and hit the company it has indicated it is targeting , Skyrora could benefit from demand among European satellite operators of European small-sat operators looking to bypass the multi-year queues at SpaceX.
Space Forge (The Orbital Manufacturer) — Cardiff-based Space Forge bypasses the crowded earth-observation and propulsion segments entirely to target in-space manufacturing. Backed by a £22.6 million ($30 million) Series A round led by the NATO Innovation Fund reportedly the largest Series A in UK space tech history alongside World Fund, the National Security Strategic Investment Fund and the British Business Bank (Tech.eu; World Fund), the startup builds returnable satellite platforms designed to leverage microgravity and near-vacuum conditions. The objective is to produce advanced materials, including hyper-efficient semiconductors, that are difficult to manufacture under Earth's gravity, a high-risk, high-margin infrastructure play built for long-term industrial supply chains.
The Government's Role: UK Space Agency
The UK Space Agency funds early-stage research, licenses commercial launch and satellite activity, and co-invests alongside private capital to reduce risk for UK space tech startups. It rarely writes the largest cheques in a round, but its presence as a co-investor or licensing body has become one of the steadying forces behind UK space sector investment, giving private funds the confidence to commit capital they'd otherwise hold back.
Space investment carries longer development timelines and higher technical risk than most sectors venture capital is used to backing. By absorbing early-stage risk through grants, regulatory clarity and vehicles like the National Security Strategic Investment Fund, the UK Space Agency lowers the bar for funds like Seraphim to write early cheques into UK space tech startups. European governments, the UK included, are also trying to reduce reliance on SpaceX for launch and satellite infrastructure, pushing both funding and policy attention toward domestic space technology providers.
What Could Slow It Down
A funding pullback similar to 2021–2022, when private space investment peaked at roughly $70 billion globally before cooling sharply as interest rates rose (World Economic Forum/McKinsey, 2024), is the biggest risk to the current momentum behind UK space tech startups. That earlier correction forced undercapitalised startups out of business, and it could recur if rates rise again or defence budgets get reprioritised.
The other risk is more UK-specific: whether deeper pools of domestic capital can keep the most promising companies from relocating to the US once they reach Series B and beyond, where growth-stage capital runs deeper. Without a credible growth-stage pipeline, the UK risks becoming a farm system for American space companies rather than building its own champions. Finally, the sector's overlap with defence means founders and investors need to plan around geopolitical and export-control exposure that a typical software company wouldn't face.
Conclusion
The UK doesn't lack the ambition to build a serious space industry. It lacks proof, at scale, that it can hold onto the companies it starts.
Lower launch costs, growing defence demand, better AI-powered satellite data and years of public-private collaboration have made the UK one of the strongest commercial space ecosystems in Europe, full stop. Seraphim's track record and the UK Space Agency's willingness to de-risk early bets got the sector this far. But early-stage funding was never going to be the hard part.
The hard part is what comes next: keeping companies through Series B and beyond, when the capital gets deeper in the US and the temptation to relocate gets real. It's building enough domestic launch capacity that "reducing reliance on SpaceX" is more than a talking point. And it's the UK Space Agency staying in the game past the point where its cheques stop being the ones that matter most.
FAQs
1. How many UK Space Tech startups are funded?
Seraphim's latest fund, Seraphim Space Ventures II, has backed 17 companies across the US and Europe since launching in 2024, on top of 149 companies across 33 countries supported globally since 2016 (SpaceNews). Not all are UK-based, but a significant share of Seraphim's capital is deployed into UK space tech startups specifically.
2. What is the UK's biggest space startup?
By total capital raised and industry profile, OneWeb is widely regarded as the UK's largest space startup. The satellite broadband operator burned through roughly $3 billion before its 2020 bankruptcy, received a $500 million UK government-backed rescue package, and was valued at $3.4 billion when its 2023 merger with Eutelsat was agreed (Wikipedia; CNBC).
3. Is the UK a big player in the space industry?Yes, largely through specialist investors like Seraphim Space and policy support from the UK Space Agency. Seraphim alone has backed 149 companies across 33 countries since 2016, with portfolio firms collectively raising more than £10 billion in follow-on funding and nine reaching unicorn status (SpaceNews).
Also Read: Inside UK's Tech Brain Drain: The Founders Who Didn't Mean to Leave
Sources: SpaceNews, Global Venturing, Electronics Weekly, Space Scotland, Tech.eu, World Fund, Wikipedia, CNBC, and the World Economic Forum/McKinsey 2024 space economy report. Figures reflect the most recent available data at the time of writing.
The EP+ Editorial Desk covers UK startups, founder stories, and venture capital. All editorial content is independently produced and human-reviewed before publication
