National Security Strategic Investment Fund
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Investment Portfolio
Archangel Lightworks raises £10m Series A led by Santander Alternative Investments for space-to-ground laser communications
Archangel Lightworks builds laser communication systems that connect space-based networks with infrastructure on the ground. Its deployable optical ground station enables high-speed, secure data transfer for applications such as connectivity, monitoring, and communications.
Mutable Tactics lands a £1.6m pre-seed round led by Seraphim Space for autonomous drone coordination when communications fail
Mutable Tactics develops software that enables unmanned systems such as aerial, maritime and ground drones to operate and coordinate even when communications or GPS are unreliable. Its decision-layer software translates a commander’s intent into locally executable actions so multiple drones can operate together as a coordinated team.
Refute lands a £5m seed round led by Amadeus Capital Partners to counter disinformation and hybrid warfare threats
Refute builds technology to identify and respond to online disinformation campaigns. It provides organisations with intelligence and response guidance to manage reputational and security risks.
Optalysys raises £23m in a Series A extension led by Northern Gritstone to challenge conventional computing with photonic chips
Optalysys builds photonic computing chips that process and move data using light, aiming to overcome power and performance limits of electronic computing for AI, encryption and next-generation cloud workloads.
Delta.g secures £4.6m seed round led by Serendipity Capital to deploy quantum sensors for subsurface mapping
Delta.g develops quantum gravity sensors that deliver high-resolution subsurface mapping, enabling better decision-making across infrastructure, energy, defence and environmental monitoring without invasive surveys.
Space Forge raises £23m Series A led by NATO Innovation Fund to scale returnable satellite manufacturing platform
Space Forge designs returnable satellites for manufacturing advanced materials in space, using microgravity conditions to produce high-performance components for semiconductors, energy and defence applications.
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More venture news
- 21 Apr 2026
Cerca MagneticsCerca Magnetics raises £3.8m Series A led by Guinness Ventures for wearable quantum brain scanner
Series AHealth - 15 Apr 2026
GizmoGizmo raises £16m Series A led by Shine Capital to help students study with interactive AI platform
Series AEducation - 15 Apr 2026
TraqCheckTraqCheck raises £6m Series A led by IvyCap Ventures for HR recruitment and screening software
Series AEnterprise
