# Cybersecurity investors in United Kingdom (2026 list)

> 133 cybersecurity investors in United Kingdom, 98% active in the last 12 months. Led by Y Combinator, Techstars, Plug and Play. Ranked by what they funded.

Source: https://millionrounds.com/lists/cybersecurity-investors-in-united-kingdom (Millionrounds; every figure on the page links to its filing or article)

[Investor Lists](https://millionrounds.com/lists)

# Cybersecurity investors in United Kingdom

Updated 7 November 2026

Firms observed backing a cybersecurity company in United Kingdom in the last two years, wherever the firm is based.

[See all 133 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fcybersecurity-investors-in-united-kingdom)The top 25

**133** investors on the list *+11* this week

**3,785** cheques in 12 months *-12%* against the market

**$8M** median round they joined *+0%* against the market median

**98%** wrote a cheque in 12 months

**59%** have led a round

## The Top 25

Ordered by cheques observed, never by anything anyone paid for

Deploying now (25)

- 1 [Y Combinator](https://millionrounds.com/fund/y-combinator) *Deploying now* Accelerator · United States **6,412** **$3M** median round **Oct 2026** last seen
- 2 [Techstars](https://millionrounds.com/fund/techstars) *Deploying now* VC firm · United States **2,989** **$1.2M** median round **Nov 2026** last seen
- 3 [Plug and Play](https://millionrounds.com/fund/plug-and-play) *Deploying now* Accelerator · United States **1,561** **$5M** median round **Nov 2026** last seen
- 4 [General Catalyst](https://millionrounds.com/fund/general-catalyst) *Deploying now* VC firm · United States **1,387** **$27M** median round **Nov 2026** last seen
- 5 [Accel](https://millionrounds.com/fund/accel) *Deploying now* VC firm · United States **1,341** **$32M** median round **Nov 2026** last seen
- 6 [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) *Deploying now* VC firm · United States **773** **$47M** median round **Nov 2026** last seen
- 7 [Insight Partners](https://millionrounds.com/fund/insight-venture-partners) *Deploying now* VC firm · United States **765** **$40M** median round **Oct 2026** last seen
- 8 [Innovate UK](https://millionrounds.com/fund/innovate-uk) *Deploying now* VC firm · United Kingdom **704** **$1.2M** median round **Oct 2026** last seen
- 9 [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) *Deploying now* Private equity · United States **551** **$2.9M** median round **Nov 2026** last seen
- 10 [Goodwater Capital](https://millionrounds.com/fund/goodwater-capital) *Deploying now* VC firm · United States **526** **$4.1M** median round **Sept 2026** last seen
- 11 [Seedcamp](https://millionrounds.com/fund/seedcamp) *Deploying now* VC firm · United Kingdom **519** **$5M** median round **Nov 2026** last seen
- 12 [GSR](https://millionrounds.com/fund/gsr) *Deploying now* VC firm · United Kingdom **453** **$6M** median round **Jun 2026** last seen
- 13 [SFC Capital](https://millionrounds.com/fund/sfc-capital) *Deploying now* Angel network · United Kingdom **379** **$431K** median round **Nov 2026** last seen
- 14 [Balderton Capital](https://millionrounds.com/fund/balderton-capital) *Deploying now* VC firm · United Kingdom **368** **$30M** median round **Oct 2026** last seen
- 15 [Octopus Ventures](https://millionrounds.com/fund/octopus-ventures) *Deploying now* VC firm · United Kingdom **355** **$10M** median round **Oct 2026** last seen
- 16 [Shasta Ventures](https://millionrounds.com/fund/shasta-ventures) *Deploying now* VC firm · United States **353** **$15M** median round **Aug 2026** last seen
- 17 [FirstMark](https://millionrounds.com/fund/firstmark) *Deploying now* VC firm · United States **319** **$20M** median round **Oct 2026** last seen
- 18 [Village Global](https://millionrounds.com/fund/village-global-2) *Deploying now* VC firm · Canada **294** **$8M** median round **Nov 2026** last seen
- 19 [In-Q-Tel](https://millionrounds.com/fund/iqt) *Deploying now* Accelerator · United States **273** **$20M** median round **Nov 2026** last seen
- 20 [LocalGlobe](https://millionrounds.com/fund/localglobe) *Deploying now* VC firm · United Kingdom **269** **$12M** median round **Oct 2026** last seen
- 21 [Warburg Pincus](https://millionrounds.com/fund/warburg-pincus) *Deploying now* Private equity · United States **260** **$124M** median round **Oct 2026** last seen
- 22 [Scottish Enterprise](https://millionrounds.com/fund/scottish-enterprise) *Deploying now* Government · United Kingdom **256** **$2.1M** median round **Nov 2026** last seen
- 23 [Northzone](https://millionrounds.com/fund/northzone) *Deploying now* VC firm · United Kingdom **240** **$22M** median round **Oct 2026** last seen
- 24 [HSBC](https://millionrounds.com/fund/hsbc) *Deploying now* Growth equity · United Kingdom **234** **$45M** median round **Oct 2026** last seen
- 25 [Mucker Capital](https://millionrounds.com/fund/mucker-capital) *Deploying now* VC firm · United States **222** **$4M** median round **Nov 2026** last seen

**108 more on this list**

All 133 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-in-united-kingdom)

## The Newest Cheques

Rounds this list's investors joined most recently

- **6** Nov **[Vensum Power](https://millionrounds.com/company/vensum-power)** Series A · $10M *Led by* [Lifeline Ventures](https://millionrounds.com/fund/lifeline-ventures)
- **6** Nov **[Ocient](https://millionrounds.com/company/ocient)** Series C · $100M *With* [In-Q-Tel](https://millionrounds.com/fund/iqt)
- **6** Nov **[Thinking Machines Lab](https://millionrounds.com/company/thinking-machines-lab)** Other · $5B *Led by* [Accel](https://millionrounds.com/fund/accel)
- **6** Nov **[Harbinger](https://millionrounds.com/company/harbinger)** Series D+ · $240M *Led by* [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management)
- **5** Nov **[Siggy](https://millionrounds.com/company/siggy)** Pre-seed · $6M *Led by* [Village Global](https://millionrounds.com/fund/village-global-2)
- **5** Nov **[Potential Sciences](https://millionrounds.com/company/potential-sciences)** Seed *With* [Portfolio Ventures](https://millionrounds.com/fund/will-martin)

## Stages This Year

3,016 rounds

- Venture **21%**
- Seed **20%**
- Series A **15%**
- Pre-seed **14%**
- Series B **7%**
- Other **23%**

## What They Backed

Sectors, last 12 months

- AI **1,348**
- Fintech **207**
- Big Data & Analytics **168**
- Healthcare **160**
- Biotech **148**
- Financial Services **120**

## Cheques by Quarter

Led Joined

1,174 Q1 25

1,107 Q2 25

1,179 Q3 25

1,178 Q4 25

1,240 Q1 26

1,002 Q2 26

832 Q3 26

232 Q4 26

The last bar is the quarter still running.

## Lists Like This

- [AI investors in United States 3,683](https://millionrounds.com/lists/ai-investors-in-united-states)
- [Fintech investors in United States 1,166](https://millionrounds.com/lists/fintech-investors-in-united-states)
- [AI investors in United Kingdom 1,039](https://millionrounds.com/lists/ai-investors-in-united-kingdom)
- [Big Data & Analytics investors in United States 1,039](https://millionrounds.com/lists/big-data-investors-in-united-states)
- [Biotech investors in United States 914](https://millionrounds.com/lists/biotech-investors-in-united-states)
- [Energy investors in United States 798](https://millionrounds.com/lists/energy-investors-in-united-states)
- [Robotics investors in United States 797](https://millionrounds.com/lists/robotics-investors-in-united-states)
- [Construction investors in United States 742](https://millionrounds.com/lists/construction-investors-in-united-states)
- [Cybersecurity investors in United States 702](https://millionrounds.com/lists/cybersecurity-investors-in-united-states)

[All investor lists *→*](https://millionrounds.com/lists)

## Reading for founders in security

- Hackers: Heroes of the Computer Revolution Steven Levy · 1984 4.16 from 8,649 ratings on Goodreads Security About the book A mere fifteen years ago, computer nerds were seen as marginal weirdos, outsiders whose world would never resonate with the mainstream. That was before one pioneering work documented the underground computer revolution that was about to change our world forever. With… On AmazonListen on Audible
- The DevOps Handbook: How to Create World-Class Agility, Reliability, and Security in Technology Organizations Gene Kim · 2015 4.29 from 5,988 ratings on Goodreads Security Company building About the book Increase profitability, elevate work culture, and exceed productivity goals through DevOps practices.More than ever, the effective management of technology is critical for business competitiveness. For decades, technology leaders have struggled to balance agility, reliability,… On AmazonListen on Audible
- Smartcuts: How Hackers, Innovators, and Icons Accelerate Success Shane Snow · 2014 3.88 from 6,577 ratings on Goodreads Security Company building Innovation About the book Entrepreneur and journalist Shane Snow (Wired, Fast Company, The New Yorker, and cofounder of Contently) analyzes the lives of people and companies that do incredible things in implausibly short time. How do some startups go from zero to billions in mere months? How did… On AmazonListen on Audible
- The Innovators: How a Group of Hackers, Geniuses and Geeks Created the Digital Revolution Walter Isaacson · 2014 4.12 from 40,532 ratings on Goodreads Security Innovation Company building About the book Following his blockbuster biography of Steve Jobs, The Innovators is Walter Isaacson’s revealing story of the people who created the computer and the Internet. It is destined to be the standard history of the digital revolution and an indispensable guide to how innovation really… On AmazonListen on Audible

More books for founders and investors on the [Reading List](https://millionrounds.com/reading-list?role=founder&industry=security).

As an Amazon Associate we earn from qualifying purchases.

## Quick answers about cybersecurity investors in United Kingdom

### Who are the most active cybersecurity investors in United Kingdom?

By cheques observed, the most active are Y Combinator, Techstars, Plug and Play, General Catalyst and Accel.

### How many cybersecurity investors in United Kingdom are there?

133 are on record. 98% made an investment in the last 12 months and 59% have led a round.

### Which stages do cybersecurity investors in United Kingdom back?

Of the rounds with a named stage in the last 12 months, mostly Seed (27%) and Series A (21%).

### How big are the rounds cybersecurity investors in United Kingdom join?

The typical (median) round among the leading investors here is $10M.

### Which sectors do cybersecurity investors in United Kingdom back most?

In the last 12 months, mostly AI, Fintech and Big Data & Analytics.

### Which cybersecurity investors in United Kingdom lead the most rounds?

Accel (103 led), General Catalyst (97 led) and Insight Partners (43 led).

### Where are cybersecurity investors in United Kingdom based?

Among the most active, most are based in the United States (14), the United Kingdom (10) and Canada (1).

### What have cybersecurity investors in United Kingdom invested in recently?

Recent rounds include Vensum Power (Series A, Nov 2026, with Lifeline Ventures), Ocient (Series C, Nov 2026, with In-Q-Tel) and Thinking Machines Lab (Other, Nov 2026, with Accel).

Built from the rounds we watched, refreshed every night. [How we count](https://millionrounds.com/methodology) · [Report a correction](https://millionrounds.com/corrections)