# Cybersecurity investors based in London (2026 list) > 74 cybersecurity investors based in London, 99% active in the last 12 months. Led by Index Ventures, Antler, Seedcamp. Ranked by what they funded. Source: https://millionrounds.com/lists/cybersecurity-investors-based-in-london (Millionrounds; every figure on the page links to its filing or article) [Investor Lists](https://millionrounds.com/lists) # Cybersecurity investors based in London Updated 7 November 2026 Firms with an address in London that we have watched back a cybersecurity company in the last two years. [See all 74 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fcybersecurity-investors-based-in-london)The top 25 **74** investors on the list No change this week **1,306** cheques in 12 months *-3%* against the market **$11M** median round they joined *+37%* against the market median **99%** wrote a cheque in 12 months **69%** have led a round ## The Top 25 Ordered by cheques observed, never by anything anyone paid for Deploying now (25) - 1 [Index Ventures](https://millionrounds.com/fund/index-ventures) *Deploying now* VC firm · United Kingdom **1,027** **$31M** median round **Nov 2026** last seen - 2 [Antler](https://millionrounds.com/fund/antler) *Deploying now* VC firm · United Kingdom **729** **$1M** median round **Nov 2026** last seen - 3 [Seedcamp](https://millionrounds.com/fund/seedcamp) *Deploying now* VC firm · United Kingdom **519** **$5M** median round **Nov 2026** last seen - 4 [GSR](https://millionrounds.com/fund/gsr) *Deploying now* VC firm · United Kingdom **453** **$6M** median round **Jun 2026** last seen - 5 [SFC Capital](https://millionrounds.com/fund/sfc-capital) *Deploying now* Angel network · United Kingdom **379** **$431K** median round **Nov 2026** last seen - 6 [Balderton Capital](https://millionrounds.com/fund/balderton-capital) *Deploying now* VC firm · United Kingdom **368** **$30M** median round **Oct 2026** last seen - 7 [Octopus Ventures](https://millionrounds.com/fund/octopus-ventures) *Deploying now* VC firm · United Kingdom **355** **$10M** median round **Oct 2026** last seen - 8 [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) *Deploying now* Accelerator · United Kingdom **332** **$3.6M** median round **Oct 2026** last seen - 9 [LocalGlobe](https://millionrounds.com/fund/localglobe) *Deploying now* VC firm · United Kingdom **269** **$12M** median round **Oct 2026** last seen - 10 [Northzone](https://millionrounds.com/fund/northzone) *Deploying now* VC firm · United Kingdom **240** **$22M** median round **Oct 2026** last seen - 11 [Atomico](https://millionrounds.com/fund/atomico) *Deploying now* VC firm · United Kingdom **215** **$30M** median round **Oct 2026** last seen - 12 [Notion Capital](https://millionrounds.com/fund/notion-capital) *Deploying now* VC firm · United Kingdom **202** **$9.2M** median round **Oct 2026** last seen - 13 [Ascension](https://millionrounds.com/fund/ascension) *Deploying now* VC firm · United Kingdom **190** **$3.4M** median round **Oct 2026** last seen - 14 [SoftBank Vision Fund](https://millionrounds.com/fund/softbank-investment-advisers) *Deploying now* VC firm · United Kingdom **179** **$130M** median round **Sept 2026** last seen - 15 [IQ Capital](https://millionrounds.com/fund/iq-capital) *Deploying now* VC firm · United Kingdom **165** **$17M** median round **Oct 2026** last seen - 16 [Fuel Ventures](https://millionrounds.com/fund/fuel-ventures) *Deploying now* VC firm · United Kingdom **163** **$1.9M** median round **Oct 2026** last seen - 17 [Amadeus Capital Partners](https://millionrounds.com/fund/amadeus-capital-partners) *Deploying now* VC firm · United Kingdom **158** **$12M** median round **Sept 2026** last seen - 18 [DST Global](https://millionrounds.com/fund/dst-global) *Deploying now* Private equity · United Kingdom **158** **$81M** median round **Oct 2026** last seen - 19 [MMC Ventures](https://millionrounds.com/fund/mmc-ventures) *Deploying now* VC firm · United Kingdom **154** **$9.3M** median round **Nov 2026** last seen - 20 [EQT Ventures](https://millionrounds.com/fund/eqt-ventures) *Deploying now* VC firm · Sweden **152** **$20M** median round **Oct 2026** last seen - 21 [Nauta Capital](https://millionrounds.com/fund/nauta-capital) *Deploying now* VC firm · United Kingdom **132** **$5.3M** median round **Nov 2026** last seen - 22 [Seraphim Space](https://millionrounds.com/fund/seraphim-space) *Deploying now* VC firm · United Kingdom **125** **$6.4M** median round **Oct 2026** last seen - 23 [Firstminute Capital](https://millionrounds.com/fund/firstminute-capital) *Deploying now* VC firm · United Kingdom **123** **$6.4M** median round **Oct 2026** last seen - 24 [European Union](https://millionrounds.com/fund/european-union) *Deploying now* Government · United Kingdom **118** **$2.3M** median round **Sept 2026** last seen - 25 [Passion Capital](https://millionrounds.com/fund/passion-capital) *Deploying now* VC firm · United Kingdom **116** **$6.5M** median round **Nov 2026** last seen **49 more on this list** All 74 are in the app, with filters for stage, sector and market. A free account shows 10 per search, Pro up to 1,000. [See the whole list *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fcybersecurity-investors-based-in-london) ## The Newest Cheques Rounds this list's investors joined most recently - **5** Nov **[Potential Sciences](https://millionrounds.com/company/potential-sciences)** Seed *With* [Portfolio Ventures](https://millionrounds.com/fund/will-martin) - **5** Nov **[Cowboy](https://millionrounds.com/company/cowboy)** Seed · $5M *With* [Semantic Ventures](https://millionrounds.com/fund/semantic) - **5** Nov **[Granit](https://millionrounds.com/company/granit)** Seed · $6M *Led by* [Seedcamp](https://millionrounds.com/fund/seedcamp) - **5** Nov **[Nayara](https://millionrounds.com/company/nayara)** Pre-seed · $522K *Led by* [SFC Capital](https://millionrounds.com/fund/sfc-capital) - **5** Nov **[Mindmax](https://millionrounds.com/company/mindmax)** Seed · $3.3M *Led by* [Concept Ventures](https://millionrounds.com/fund/concept-ventures) - **5** Nov **[Pliant](https://millionrounds.com/company/pliant)** Series C · $80M *With* [Illuminate Financial Management](https://millionrounds.com/fund/illuminate-financial) ## Stages This Year 1,086 rounds - Seed **25%** - Series A **16%** - Pre-seed **14%** - Venture **12%** - Series B **9%** - Other **23%** ## What They Backed Sectors, last 12 months - AI **512** - Fintech **86** - Cybersecurity **59** - Big Data & Analytics **52** - Healthcare **48** - Biotech **47** ## Cheques by Quarter Led Joined 359 Q1 25 375 Q2 25 331 Q3 25 404 Q4 25 412 Q1 26 333 Q2 26 307 Q3 26 99 Q4 26 The last bar is the quarter still running. ## Lists Like This - [AI investors based in San Francisco 353](https://millionrounds.com/lists/ai-investors-based-in-san-francisco) - [AI investors based in New York 345](https://millionrounds.com/lists/ai-investors-based-in-new-york) - [Seed investors based in San Francisco 273](https://millionrounds.com/lists/seed-investors-based-in-san-francisco) - [Series A investors based in San Francisco 266](https://millionrounds.com/lists/series-a-investors-based-in-san-francisco) - [Series A investors based in New York 255](https://millionrounds.com/lists/series-a-investors-based-in-new-york) - [Seed investors based in New York 227](https://millionrounds.com/lists/seed-investors-based-in-new-york) - [AI investors based in London 223](https://millionrounds.com/lists/ai-investors-based-in-london) - [Series B investors based in New York 198](https://millionrounds.com/lists/series-b-investors-based-in-new-york) - [Fintech investors based in New York 197](https://millionrounds.com/lists/fintech-investors-based-in-new-york) [All investor lists *→*](https://millionrounds.com/lists) ## Quick answers about cybersecurity investors based in London ### Who are the most active cybersecurity investors based in London? By cheques observed, the most active are Index Ventures, Antler, Seedcamp, GSR and SFC Capital. ### How many cybersecurity investors based in London are there? 74 are on record. 99% made an investment in the last 12 months and 69% have led a round. ### Which stages do cybersecurity investors based in London back? Of the rounds with a named stage in the last 12 months, mostly Seed (30%) and Series A (20%). ### How big are the rounds cybersecurity investors based in London join? The typical (median) round among the leading investors here is $9.2M. ### Which sectors do cybersecurity investors based in London back most? In the last 12 months, mostly AI, Fintech and Cybersecurity. ### Which cybersecurity investors based in London lead the most rounds? Index Ventures (62 led), Balderton Capital (22 led) and EQT Ventures (20 led). ### What have cybersecurity investors based in London invested in recently? Recent rounds include Potential Sciences (Seed, Nov 2026, with Portfolio Ventures), Cowboy (Seed, Nov 2026, with Semantic Ventures) and Granit (Seed, Nov 2026, with Seedcamp). ### How is this list of cybersecurity investors based in London ranked? By cheques observed, from the rounds and filings we watched, and never by anything anyone paid for. It is rebuilt every night. Built from the rounds we watched, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections)