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The latest funding rounds from the UK tech ecosystem. Updated 16 October 2026.
Announcements
32
Total raised
£1.1B
disclosed amounts
Addition led the Series A round to support product development, hiring and global expansion.
"Thanks to an industry-leading team, decades of combined experience and a best-in-class product offering, PQShield has quickly emerged as a front runner and true authority in post-quantum cryptography for hardware and software, a field with enormous market potential. PQShield is already helping to define the future of information security, and we are excited to support their ongoing growth."
The University of Sheffield spin-out raised a seven-figure sum from a syndicate to develop quantum-secure networking.
"The single photon source developed by Aegiq represents a platform technology with unparalleled specifications that enables various applications. As a photonics guy, I am more than thrilled to invest here and support the highly skilled team on their journey,"
The seed round was backed by ACF Investors, o2h Ventures, and angel investors to fund team expansion and platform development.
"With this investment, our investors have affirmed the strength of our technology and its commercial potential. Building upon years of research, this funding will drive the development of our platform, facilitate the rollout of our own range of therapeutics and expand our team. As our recent collaboration with the UCL Drug Discovery Institute has shown, we are beginning to have a potent effect on the pharmaceutical industry and I am looking forward to the many ways in which we can make a decisive contribution to medicine worldwide"
The funding round was co-led by Quantonation and Speedinvest to support the commercial delivery of quantum-safe hardware.
"In today’s world, we don’t go 30 seconds without touching digital technology of some kind, all of which is networked, none of which is quantum-safe"
The financing will support international expansion and development of the Deltaflow operating system.
"For a quantum ecosystem to thrive, we urgently need an operating system. An operating system makes quantum computers useful – it allows programs and applications to run on many different machines. Riverlane aims to make our operating system Deltaflow a global standard."
