National Security Strategic Investment Fund Our purpose The National Security Strategic Investment Fund (NSSIF, en-sif) is the Government’s corporate venturing arm for dual-use advanced technologies. It is a joint initiative between HM Government and the British Business Bank. NSSIF invests commercially in advanced technology firms, alongside other investors, supporting long-term equity investment – ‘patient capital’ – and harnesses the Government’s unique technology expertise. Its objectives include accelerating the adoption of HMG’s future national security and defence capabilities and the development of the UK’s dual-use technology ecosystem. Learn more about NSSIF Discover what we invest in Find out how we invest Read investment stories Learn more about NSSIF National Security Strategic Investment Fund About NSSIF What we invest in How we invest Investment stories British Business Bank plc is a public limited company registered in England and Wales, registration number 08616013, registered office at Steel City House, West Street, Sheffield, S1 2GQ. It is a development bank wholly owned by HM Government. British Business Bank plc and its subsidiaries are not banking institutions and do not operate as such. They are not authorised or regulated by the Prudential Regulation Authority (PRA) or the Financial Conduct Authority (FCA). A complete legal structure chart for the group can be found at www.british-business-bank.co.uk © 2021 British Business Bank plc Accessibility Privacy Notice Cookie Policy Modern Slavery Act Statement Cookie Policy We use cookies to give you the best online experience. Strictly necessary cookies ensure that this website functions correctly. We also use optional cookies to remember your preferences and repeat visits so that we can improve your experience. You can find out more by reading our Cookie Policy, and you can manage and change your cookie preferences at any time. Reject Accept Cookies Settings