--- title: "17 Defense Tech Investors in the UK (Nov 2026): 10 Free" last_updated: "2026-11-05" rows: "17" free_rows: "10" source: "SEC Form D filings and our own research" canonical: "https://theinvestordatabase.com/lists/defense-tech-investors-uk/" --- # 17 defense tech investors in the UK We list 17 defense tech investors in the UK as of November 2026: 1 has an SEC filing on file and 16 were checked on the firm's own website or an official register, and the list was last checked on 5 Nov 2026. The cities with the most head offices on this list are London (10), Harwell (1) and Bath (1). - 17 investors - 5 with a fund filing or dated deal in the last 12 months - 99 named decision-makers on file ## First 10 of 17 defense tech investors in the UK | Investor | Type | HQ | Stages (our research) | Focus (our research) | Latest fund or deal | Fund size | Checked | Profile | |---|---|---|---|---|---|---|---|---| | Seraphim Space | VC firm | London, United Kingdom | Seed, Series A, Growth | Defense Tech, Space, Mobility, Deep Tech | New fund, Oct 2026 | $1.0B (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/seraphim-space/ | | Notion Capital | VC firm | London, United Kingdom | Seed, Series A | Defense Tech, SaaS, B2B, AI | New deal, Oct 2026 | $2.0B (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/notion-capital/ | | Entrée Capital | VC firm | London, United Kingdom | Pre-seed, Seed, Series A, Series B, Growth | Defense Tech, AI, Fintech, Deep Tech | New deal, Feb 2026 | $1.5B (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/entree-capital/ | | UKI2S | VC firm | London, United Kingdom | Pre-seed, Seed | Defense Tech, Biotech, Healthtech, AI | New deal, Jul 2025 | £150M (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/uki2s/ | | Twin Track | VC firm | London, United Kingdom | Pre-seed, Seed | Defense Tech, AI, Cybersecurity, Media | New fund, Apr 2026 | | 2026-11-04 | https://theinvestordatabase.com/investors/twin-track/ | | SuperSeed | VC firm | London, United Kingdom | Pre-seed, Seed | Defense Tech, AI, Proptech, Energy | New deal, Apr 2026 | | 2026-11-04 | https://theinvestordatabase.com/investors/superseed/ | | Growth Lending | Venture debt | London, United Kingdom | Growth | Defense Tech, Fintech, Healthtech, B2B | | £1.0B (own site) | 2026-11-04 | https://theinvestordatabase.com/investors/growth-lending/ | | 7percent Ventures | VC firm | London, United Kingdom | Pre-seed, Seed | Defense Tech, AI, Space, Healthtech | Portfolio news, Jan 2025 | | 2026-11-04 | https://theinvestordatabase.com/investors/7percent-ventures/ | | Longwall Ventures | VC firm | Harwell, United Kingdom | Pre-seed, Seed | Defense Tech, Healthtech, Biotech, Industrial Tech | | | 2026-11-04 | https://theinvestordatabase.com/investors/longwall-ventures/ | | SETsquared | Accelerator | Bath, United Kingdom | Pre-seed, Seed, Series A | Defense Tech, Industrial Tech, Deep Tech, AI | | | 2026-11-04 | https://theinvestordatabase.com/investors/setsquared/ | You are seeing 10 of 17. The full list adds 7 more investors and 99 named decision-makers. Get all 17 investors and 99 named contacts, $49, one-time: https://theinvestordatabase.com/buy/list/defense-tech-investors-uk This page: https://theinvestordatabase.com/lists/defense-tech-investors-uk/ ## Method and limits - Source: 1 of the 17 rows carries an SEC filing (Form D or Form ADV). All 17 have a website we checked. Filing date and fund size are SEC data where a filing exists. Stage, sector and check size are our research. - Inclusion rule: Organizations that back startups. Individuals, buyout funds and firms we found to be inactive are left out. Sector: the firm states defense tech as a focus on its own site, or we observed it in the firm's portfolio. - Order: Activity score out of 100: recency of the latest fund filing or dated deal (35: full marks within 3 months, then stepping down at 6, 12 and 24 months), share of the observed portfolio in this sector (25; half of that when the sector is stated only), stated focus on the UK (15: full marks when the firm names the UK as where it invests, half when it says Europe or global), size of the fund on file on a log scale (15) and completeness of the public record (10). Regional focus is our research, not an SEC figure. It is a measure of activity and fit, not of quality or returns. - Fill rates: Of 17 rows: stage 17, sector 17, fund size 7, website 17. In the paid file: named decision-makers on 17 rows, firm email on 6, LinkedIn page on 13, check size on 7. ## Questions ### How many defense tech investors in the UK are there? We list 17 as of November 2026. 5 of the 17 have a fund filing or a dated deal in the last 12 months. The cities with the most are London (10), Harwell (1) and Bath (1). ### Which defense tech investors in the UK raised a new fund in the last 12 months? 1 of the 17 has a fund filing dated in the last 12 months: Twin Track (Apr 2026). 5 of the 17 have a fund filing or a dated deal in that time. ### What is the typical fund size of defense tech investors in the UK? None of the 17 discloses a fund size on an SEC Form D, so there is no median to give. 7 rows carry a size or assets figure from another public source, for example Seraphim Space at $1.0B (own site) and Notion Capital at $2.0B (own site). ### Which stage do most defense tech investors in the UK back? Of the 17 with a stage on file, seed (14), pre-seed (10) and Series A (8). A firm can back more than one stage. ### Where does the data on defense tech investors in the UK come from and how often is it updated? 1 of the 17 rows has an SEC filing on file (Form D or Form ADV) and 16 were checked on the firm's own website or an official register. Filing date and fund size come from the filing. Stage, sector and check size are our research. Rows on this list were last checked on 5 Nov 2026 at the latest. The whole file is re-verified twice a year. ### Can I download the list of defense tech investors in the UK as a spreadsheet? Yes. The file holds all 17 rows in Excel and CSV, with 99 named decision-makers and 6 firm emails, for $49 one-time. 10 rows are free on this page.