What they do:
Agent swarms that make long-running tasks exponentially faster
Quick facts:
HQ: London, United Kingdom
Top B2B Software Startups in London
This list has 145 startups and was last updated on Oct 15, 2026. 41 of them are hiring right now. Largest teams: Permutive, Model ML, and Prolific. Latest round: Sava raised €32.1M (Oct 9, 2026).
145 startupsPage 4 of 5
What they do:
AI agents for high-value professional work
Quick facts:
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
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HQ: London, United Kingdom
Funding:
$730M · Equity · Jun 2026
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HQ: London, United Kingdom
Incorporated: 2021
Funding:
$60M · Equity · Oct 2026
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HQ: London, United Kingdom
Incorporated: 2025
Funding:
$10M · Equity · Jun 2026
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HQ: London, United Kingdom
Incorporated: 2022
Funding:
$9.33M · Equity · Jan 2026
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HQ: London, United Kingdom
Incorporated: 2023
Funding:
$1.99M · Equity · Jun 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
inai
Acquired
What they do:
Segment for global payments
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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
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HQ: London, United Kingdom
Hypermile
Acquired
What they do:
Driver co-pilot to make trucking more efficient
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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
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HQ: London, United Kingdom
Vizzly
Acquired
What they do:
Customer-Facing Analytics for Modern SaaS.
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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.
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HQ: London, United Kingdom
CustomerOS
Shut down
What they do:
Uncover high-fit leads already silently engaging with your brand
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HQ: London, United Kingdom
Atla
Shut down
What they do:
The improvement engine for AI agents
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HQ: London, United Kingdom
BuildStream
Shut down
What they do:
Workforce solutions for the construction industry
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HQ: London, United Kingdom
GoodCourse
Shut down
What they do:
The TikTok style corporate training platform
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HQ: London, United Kingdom
CodeStory
Shut down
What they do:
Aide is an AI-native , privacy-first IDE built on top of VSCode
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HQ: London, United Kingdom
Storyline
Shut down
What they do:
Create Alexa Skills without coding
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HQ: London, United Kingdom
Aklimate
Shut down
What they do:
Software for enterprises to track and reduce supply chain emissions
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HQ: London, United Kingdom
Invaria
Shut down
What they do:
The next generation logging and observability platform
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HQ: London, United Kingdom
Snaptalent
Shut down
What they do:
Snaptalent powers a distributed job advertisement network primarily meant for developer listings. Job ads submitted to Snaptalent are displayed on the…
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HQ: London, United Kingdom
Infogami
Shut down
What they do:
What is Infogami? The art of transforming data into meaningful information. Infogami Business Intelligence (BI) solutions turn raw data into information…
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HQ: London, United Kingdom
GoScale
Shut down
What they do:
Dynamical Scaling Virtual Machines as a Service
Quick facts:
HQ: London, United Kingdom
SalesSift
Shut down
What they do:
Intelligent Lead Sourcing
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HQ: London, United Kingdom
ilumadata
Shut down
What they do:
Confidently ship analytics code faster with fewer errors
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HQ: London, United Kingdom
Quary
Shut down
What they do:
The first in-browser analytics engineering platform
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HQ: London, United Kingdom
Post.fm
Shut down
What they do:
New email inbox.
Quick facts:
HQ: London, United Kingdom
Stitch Technologies
Shut down
What they do:
-
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HQ: London, United Kingdom
YC W24Early stage