01Agentic AI
Gradient Labs
Builds autonomous AI customer-support agents purpose-built for regulated industries like financial services.
City of LondonSeries A
Sector · United Kingdom
AI Agents startups in the UK
Startups building autonomous AI agents that take actions: executing workflows, transacting and handling entire jobs rather than just answering questions. One of the most active frontiers in UK AI.
8
Companies
10
UK & remote roles open
02Agent Billing
Paid
Outcome-based billing infrastructure so businesses can charge for AI agent results rather than seats.
LondonSeed
03Agentic Commerce
Swap
Ecommerce operating system unifying cross-border selling, tax, returns and agentic storefronts for global brands.
ShoreditchSeries C
04AI Agents
Smooth
Fast, reliable AI browser agent API that autonomously performs web actions across sites (YC F24).
LondonSeed
05AI Agents
Leeroo
Trainable AI agents that continuously learn an organisation's knowledge and ship data and AI programmes (YC X25).
LondonSeed
06AI Agents
Trace
Context-aware orchestration platform routing repetitive workflow tasks between humans and AI agents (YC S25).
LondonSeed
07AI Agents
Lua Global
Unified mid-market AI agent platform letting companies build and deploy custom agents for sales, support and operations (YC F25).
LondonSeed
08AI Agents
Whitespace
AI operating system for wholesale distributors, deploying self-improving agents for inventory planning, support and order entry (YC S26).
LondonSeed
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