What they do:
Persistent email inbox, phone number and secret storage for agents
Quick facts:
HQ: London, United Kingdom
Top B2B Software Startups in the United Kingdom
This list has 157 startups and was last updated on Oct 15, 2026. 43 of them are hiring right now. Biggest hubs: London (145) and Manchester (4). Largest teams: Permutive, Model ML, and Prolific. Latest round: Sava raised €32.1M (Oct 9, 2026).
157 startupsPage 4 of 5
What they do:
Grammarly for Math ✏️
Quick facts:
HQ: London, United Kingdom
What they do:
Experiment tracking for training ML models
Quick facts:
HQ: London, United Kingdom
What they do:
AI operating system for advertising
Quick facts:
HQ: London, United Kingdom
What they do:
The frontier data platform for aligned health and biological AI
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HQ: London, United Kingdom
What they do:
Agent swarms that make long-running tasks exponentially faster
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HQ: London, United Kingdom
What they do:
AI agents for high-value professional work
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HQ: London, United Kingdom
What they do:
The Future of Supply Chain Data Tracking and Visibility
Quick facts:
HQ: London, United Kingdom
YC W19Growth stage
What they do:
Consumer focus groups run by AI
Quick facts:
HQ: London, United Kingdom
YC S25Early stage
Quick facts:
HQ: Altrincham, United Kingdom
Incorporated: 2025
Funding:
$1.1B · Equity · May 2026
Quick facts:
HQ: London, United Kingdom
Funding:
$730M · Equity · Jun 2026
Quick facts:
HQ: Manchester, United Kingdom
Funding:
$195M · Equity · Feb 2026
Quick facts:
HQ: London, United Kingdom
Incorporated: 2021
Funding:
$60M · Equity · Oct 2026
Quick facts:
HQ: London, United Kingdom
Incorporated: 2025
Funding:
$10M · Equity · Jun 2026
Quick facts:
HQ: London, United Kingdom
Incorporated: 2022
Funding:
$9.33M · Equity · Jan 2026
Quick facts:
HQ: Woodford, United Kingdom
Incorporated: 2025
Funding:
$7.36M · Equity · May 2026
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HQ: London, United Kingdom
Incorporated: 2023
Funding:
$1.99M · Equity · Jun 2026
Quick facts:
HQ: Thame, United Kingdom
Funding:
$1.94M · Equity · Oct 2026
Quick facts:
HQ: London, England, United Kingdom
Funding:
$1M · Equity · Feb 2026
Headstart
Acquired
What they do:
Headstart uses Machine Learning to help companies decide on who to…
Quick facts:
HQ: London, United Kingdom
Shipamax
Acquired
What they do:
Simple, end-to-end automation for logistics orgs
Quick facts:
HQ: London, United Kingdom
Versori
Acquired
What they do:
Agentic integrations & automations for enterprise
Quick facts:
HQ: Manchester, United Kingdom
inai
Acquired
What they do:
Segment for global payments
Quick facts:
HQ: London, United Kingdom
Clickpass
Acquired
What they do:
Clickpass provides single-sign-on services to enter into various websites by using a single password. Clickpass is headquartered in San Francisco, California
Quick facts:
HQ: London, United Kingdom
Hypermile
Acquired
What they do:
Driver co-pilot to make trucking more efficient
Quick facts:
HQ: London, United Kingdom
Tranch
Acquired
What they do:
Tranch is the invoice to payments platform for enterprises.
Quick facts:
HQ: London, United Kingdom
Dataform
Acquired
What they do:
Manage data in Snowflake, BigQuery, and Redshift
Quick facts:
HQ: London, United Kingdom
Onfolk
Acquired
What they do:
Gusto for the UK
Quick facts:
HQ: London, United Kingdom
Vizzly
Acquired
What they do:
Customer-Facing Analytics for Modern SaaS.
Quick facts:
HQ: London, United Kingdom
Sphere Secure Workspace
Acquired
What they do:
Sphere Secure Workspace For a product demonstration, or for any other enquiries please contact at [email protected]
Quick facts:
HQ: London, United Kingdom
Shuttle
Shut down
What they do:
Build Backends. Fast.
Quick facts:
HQ: London, United Kingdom
CustomerOS
Shut down
What they do:
Uncover high-fit leads already silently engaging with your brand
Quick facts:
HQ: London, United Kingdom
Atla
Shut down
What they do:
The improvement engine for AI agents
Quick facts:
HQ: London, United Kingdom
BuildStream
Shut down
What they do:
Workforce solutions for the construction industry
Quick facts:
HQ: London, United Kingdom
GoodCourse
Shut down
What they do:
The TikTok style corporate training platform
Quick facts:
HQ: London, United Kingdom
CodeStory
Shut down
What they do:
Aide is an AI-native , privacy-first IDE built on top of VSCode
Quick facts:
HQ: London, United Kingdom