What they do:
The global mobile network for business.
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 2 of 5
What they do:
Card issuer processor and banking stack for businesses in Sub-…
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HQ: Rotherham, United Kingdom
What they do:
Foundational model of human societies for consequential decisions
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HQ: London, United Kingdom
What they do:
Build and deploy fully‑managed AI agents and workflows
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HQ: London, United Kingdom
Cosine
Hiring
What they do:
Fully Agentic SWE
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HQ: London, United Kingdom
Happl
Hiring
What they do:
Your personalised benefits and engagement platform for global teams
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HQ: London, United Kingdom
What they do:
Create video by chatting to AI
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HQ: London, United Kingdom
Diligent
Hiring
What they do:
AI agents for fintech risk and compliance operations
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HQ: London, United Kingdom
Alguna
Hiring
What they do:
AI-Native CPQ & Billing for Modern Pricing Models
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HQ: London, United Kingdom
ReactWise
Hiring
What they do:
AI Co-Pilot for Chemical Process Optimization
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HQ: Cambridge, United Kingdom
SAMMY Labs
Hiring
What they do:
Computational Law
Quick facts:
HQ: London, United Kingdom
Zalos
Hiring
What they do:
Hire Zalos AI workers to run your finance department
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HQ: London, United Kingdom
What they do:
AI Lead Generator
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HQ: London, United Kingdom
What they do:
First API solution for tax returns.
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HQ: London, United Kingdom
Aglide
Hiring
What they do:
Connect every disconnected app to your SSO.
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HQ: London, United Kingdom
What they do:
AI compliance co-pilot for regulated financial businesses
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HQ: London, United Kingdom
cubic
Hiring
What they do:
AI-powered code review platform
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HQ: London, United Kingdom
Parsewise
Hiring
What they do:
Multi-document processing for your risk teams, AI agents, pipelines
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HQ: London, United Kingdom
What they do:
In-store analytics AI assistant to fix your retail stores
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HQ: London, United Kingdom
What they do:
Plan and review AI generated code
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HQ: London, United Kingdom
What they do:
An intelligent, visual knowledge base for learning complex topics.
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HQ: Manchester, United Kingdom
Autumn
Hiring
What they do:
Billing infrastructure for AI
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HQ: London, United Kingdom
What they do:
AI based Customizable Subscription & Revenue Management Platform
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HQ: London, United Kingdom
What they do:
No-code Browser RPA
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HQ: London, United Kingdom
What they do:
Affirm for general contractors
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HQ: Birmingham, United Kingdom
Hirebolt
Hiring
What they do:
AI engineering capacity. Made simple. ⚡️
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HQ: London, United Kingdom
What they do:
Webhooks Gateway for outgoing and incoming webhooks.
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HQ: London, United Kingdom
What they do:
We deliver toll-free internet apps
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HQ: London, United Kingdom
Leeroo
Hiring
What they do:
Organizational Superintelligence
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HQ: London, United Kingdom
What they do:
AI Coworker for Accountants
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HQ: London, United Kingdom
What they do:
Unlocking the world’s most valuable data for frontier AI.
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HQ: London, United Kingdom
Smooth
Hiring
What they do:
Fast, simple, reliable AI browser agent
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HQ: London, United Kingdom
Plexe
Hiring
What they do:
Open-source agents to build predictive ML models from a prompt
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HQ: London, United Kingdom
What they do:
The AI Associate for Litigation Lawyers
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HQ: London, United Kingdom
What they do:
Accounting software that works for you
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HQ: London, United Kingdom
What they do:
Voice AI for Automotive
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HQ: London, United Kingdom