National Security Strategic Investment Fund

National Security Strategic Investment Fund

Sheffield, Englandbritish-business-bank.co.uk

Overview

The National Security Strategic Investment Fund (NSSIF) is the UK Government's corporate venturing arm for pioneering dual-use technologies, established as a joint initiative with the British Business Bank. It invests commercially alongside other investors in innovative start-ups whose advanced technologies have potential applications in both the private sector and the UK's National Security and Defence community. NSSIF makes direct investments and also invests in aligned venture capital funds. Its focus areas include AI, Data, Automation, Robotics, Quantum Technologies, Semiconductors, Space, Flight, Future Telecommunications, and Engineering Biology.

Portfolio Companies

14

Investments

CompanyDateStageLead
Archangel LightworksApr 2026Series ACo-investor
Mutable TacticsMar 2026Pre SeedCo-investor
RefuteFeb 2026SeedCo-investor
OptalysysJan 2026Series A ExtensionCo-investor
Nu QuantumDec 2025Series ACo-investor

Sector & Stage Mix

Industry, funding stage, and valuation band breakdowns.

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SeedSeries ASeries BGrowth

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Investment Activity

Yearly cadence, pace, and funding raised over time.

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2021
2022
2023
2024
2025
2026

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FAQ

Firmographic Details

HeadquartersSheffield, England
Year FoundedN/A

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