# B2B investors in United Kingdom (2026 list)

> 90 B2B investors in United Kingdom, 88% active in the last 12 months. Led by Y Combinator, Andreessen Horowitz, Alumni Ventures. Ranked by what they funded.

Source: https://millionrounds.com/lists/b2b-investors-in-united-kingdom (Millionrounds; every figure on the page links to its filing or article)

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

# B2B investors in United Kingdom

Updated 7 November 2026

Firms observed backing a B2B company in United Kingdom in the last two years, wherever the firm is based.

[See all 90 *→*](https://millionrounds.com/login?join=1&next=%2Fapp%2Finvestor-lists%2Fb2b-investors-in-united-kingdom)The top 25

**90** investors on the list *-3* this week

**4,438** cheques in 12 months *-12%* against the market

**$7.5M** median round they joined *-6%* against the market median

**88%** 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 [Andreessen Horowitz](https://millionrounds.com/fund/andreessen-horowitz) *Deploying now* VC firm · United States **1,661** **$27M** median round **Nov 2026** last seen
- 3 [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund) *Deploying now* VC firm · United States **1,598** **$12M** median round **Nov 2026** last seen
- 4 [Plug and Play](https://millionrounds.com/fund/plug-and-play) *Deploying now* Accelerator · United States **1,561** **$5M** median round **Nov 2026** last seen
- 5 [Lightspeed Venture Partners](https://millionrounds.com/fund/lightspeed-venture-partners) *Deploying now* VC firm · United States **1,341** **$35M** median round **Nov 2026** last seen
- 6 [Founders Fund](https://millionrounds.com/fund/founders-fund) *Deploying now* VC firm · United States **1,122** **$15M** median round **Oct 2026** last seen
- 7 [Index Ventures](https://millionrounds.com/fund/index-ventures) *Deploying now* VC firm · United Kingdom **1,027** **$31M** median round **Nov 2026** last seen
- 8 [Gaingels](https://millionrounds.com/fund/gaingels) *Deploying now* Private equity · United States **1,010** **$8M** median round **Oct 2026** last seen
- 9 [FJ Labs](https://millionrounds.com/fund/fj-labs) *Deploying now* VC firm · United States **849** **$11M** median round **Oct 2026** last seen
- 10 [Right Side Capital Management](https://millionrounds.com/fund/right-side-capital-management) *Deploying now* VC firm · United States **834** **$875K** median round **Sept 2026** last seen
- 11 [Tiger Global Management](https://millionrounds.com/fund/tiger-global-management) *Deploying now* VC firm · United States **773** **$47M** median round **Nov 2026** last seen
- 12 [Antler](https://millionrounds.com/fund/antler) *Deploying now* VC firm · United Kingdom **729** **$1M** median round **Nov 2026** last seen
- 13 [Battery Ventures](https://millionrounds.com/fund/battery-ventures) *Deploying now* VC firm · United States **658** **$32M** median round **Nov 2026** last seen
- 14 [Salesforce Ventures](https://millionrounds.com/fund/salesforce-ventures) *Deploying now* Corporate VC · United States **649** **$26M** median round **Nov 2026** last seen
- 15 [Liquid 2 Ventures](https://millionrounds.com/fund/liquid-2-ventures) *Deploying now* VC firm · United States **636** **$7M** median round **Oct 2026** last seen
- 16 [Citibank](https://millionrounds.com/fund/citi) *Deploying now* Growth equity · United States **566** **$20M** median round **Oct 2026** last seen
- 17 [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2) *Deploying now* Private equity · United States **551** **$2.9M** median round **Nov 2026** last seen
- 18 [Goodwater Capital](https://millionrounds.com/fund/goodwater-capital) *Deploying now* VC firm · United States **526** **$4.1M** median round **Sept 2026** last seen
- 19 [Bain Capital Ventures](https://millionrounds.com/fund/bain-capital-ventures) *Deploying now* VC firm · United States **524** **$27M** median round **Nov 2026** last seen
- 20 [Seedcamp](https://millionrounds.com/fund/seedcamp) *Deploying now* VC firm · United Kingdom **519** **$5M** median round **Nov 2026** last seen
- 21 [Coinbase Ventures](https://millionrounds.com/fund/coinbase) *Deploying now* Corporate VC · United States **465** **$9.8M** median round **Nov 2026** last seen
- 22 [Creative Destruction Lab](https://millionrounds.com/fund/creative-destruction-lab) *Deploying now* Accelerator · Canada **427** **$3M** median round **Sept 2026** last seen
- 23 [SFC Capital](https://millionrounds.com/fund/sfc-capital) *Deploying now* Angel network · United Kingdom **379** **$431K** median round **Nov 2026** last seen
- 24 [Speedinvest](https://millionrounds.com/fund/speedinvest) *Deploying now* VC firm · Austria **345** **$6.7M** median round **Nov 2026** last seen
- 25 [Entrepreneur First](https://millionrounds.com/fund/entrepreneurs-first) *Deploying now* Accelerator · United Kingdom **332** **$3.6M** median round **Oct 2026** last seen

**65 more on this list**

All 90 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%2Fb2b-investors-in-united-kingdom)

## The Newest Cheques

Rounds this list's investors joined most recently

- **7** Nov **[Arka Fincap](https://millionrounds.com/company/arka-fincap)** Other *Led by* [TPG](https://millionrounds.com/fund/tpg)
- **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 **[Soter Insure](https://millionrounds.com/company/soter-insure)** Series B *With* [Coinbase Ventures](https://millionrounds.com/fund/coinbase)
- **5** Nov **[firmly](https://millionrounds.com/company/firmly)** Series A · $15M *With* [Alumni Ventures](https://millionrounds.com/fund/us-strategic-tech-fund-an-alumni-ventures-fund)
- **5** Nov **[Potential Sciences](https://millionrounds.com/company/potential-sciences)** Seed *With* [Portfolio Ventures](https://millionrounds.com/fund/will-martin)
- **5** Nov **[Nyquis](https://millionrounds.com/company/nyquis)** Seed · $6.3M *With* [Pioneer Fund](https://millionrounds.com/fund/pioneer-fund-2)

## Stages This Year

3,355 rounds

- Venture **20%**
- Seed **20%**
- Series A **15%**
- Pre-seed **14%**
- Series B **7%**
- Other **24%**

## What They Backed

Sectors, last 12 months

- AI **1,559**
- Fintech **247**
- Big Data & Analytics **198**
- Healthcare **162**
- Financial Services **148**
- Biotech **146**

## Cheques by Quarter

Led Joined

1,341 Q1 25

1,261 Q2 25

1,407 Q3 25

1,469 Q4 25

1,389 Q1 26

1,240 Q2 26

949 Q3 26

264 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 b2b software and saas

- Lean B2B: Build Products Businesses Want Étienne Garbugli · 2014 4.16 from 249 ratings on Goodreads B2B software and SaaS About the book www.leanb2bbook.com « This is a must read for every B2B entrepreneur, SaaS creator or consultant and business school student. It's the kind of book you don't read once, you go back to it on a regular basis. » - Carmen Gerea, CEO & Co-founder, UsabilityChefs Lean B2B helps… On AmazonListen on Audible
- The Pricing Roadmap: How to Design B2B SaaS Pricing Models That Your Customers Will Love Ulrik Lehrskov-Schmidt · 2023 4.43 from 207 ratings on Goodreads B2B software and SaaS About the book "The definitive resource on SaaS pricing, I absolutely can not recommend this book enough." Viktor Heide, COO of Contractbook.com, Forbes "30 under 30" A foolproof method to achieve skyrocketing sales, growth, and profits for your software as a service (SaaS) product starts… On AmazonListen on Audible
- Integrity: The Courage to Meet the Demands of Reality Henry Cloud · 2006 4.22 from 3,393 ratings on Goodreads B2B software and SaaS About the book Integrity. It is more than simple honesty. It's the key to success. A person with integrity has the -- often rare -- ability to pull everything together, to make it all happen no matter how challenging the circumstances. Drawing on experiences from his work with Fortune 500… On AmazonListen on Audible
- Blueprints for a SaaS Sales Organization by Jacco vanderKooij Jacco van der Kooij · 2015 4.33 from 324 ratings on Goodreads B2B software and SaaS About the book Because of their very nature, SaaS companies live and die on revenue growth. And once the service is ready there is a very small window in which to scale. Missing that window is the difference between massive success and mediocrity. With such high stakes, it is crucial to get a… On AmazonListen on Audible

More books for founders and investors on the [Reading List](https://millionrounds.com/reading-list?role=founder&model=b2b_software).

As an Amazon Associate we earn from qualifying purchases.

## Quick answers about B2B investors in United Kingdom

### Who are the most active B2B investors in United Kingdom?

By cheques observed, the most active are Y Combinator, Andreessen Horowitz, Alumni Ventures, Plug and Play and Lightspeed Venture Partners.

### How many B2B investors in United Kingdom are there?

90 are on record. 88% made an investment in the last 12 months and 59% have led a round.

### Which stages do B2B investors in United Kingdom back?

Of the rounds with a named stage in the last 12 months, mostly Seed (27%) and Series A (20%).

### How big are the rounds B2B investors in United Kingdom join?

The typical (median) round among the leading investors here is $8M.

### Which sectors do B2B investors in United Kingdom back most?

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

### Which B2B investors in United Kingdom lead the most rounds?

Andreessen Horowitz (114 led), Lightspeed Venture Partners (83 led) and Index Ventures (62 led).

### Where are B2B investors in United Kingdom based?

Among the most active, most are based in the United States (18), the United Kingdom (5) and Canada (1).

### What have B2B investors in United Kingdom invested in recently?

Recent rounds include Arka Fincap (Other, Nov 2026, with TPG), Harbinger (Series D+, Nov 2026, with Tiger Global Management) and Soter Insure (Series B, Nov 2026, with Coinbase Ventures).

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