AI agents startups in London

The agentic layer: autonomous and enterprise agents building out of London's AI scene.

5 companies building in AI agents here.

"PolyAI AI agents

Nikola Mrkšić, Pei-Hao Su, Tsung-Hsien Wen"

"Founded in London 2017 by three Cambridge Machine Intelligence Lab researchers; builds enterprise voice AI agents that handle complex customer-service calls (auth, bookings, payments). Raised $86M (€73.2M) ...

"V7 AI agents

Alberto Rizzoli, Simon Edwardsson"

"Founded 2018, London-based AI data / knowledge-work platform: V7 Darwin automates training-data labelling for computer vision, and V7 Go uses foundation models as AI agents for document-heavy workflows (con...

Luminance Legaltech

Adam Guthrie & Graham Sills

Founded 2015; 'legal-grade' AI for contract review, negotiation and analysis, seed-funded by the late Autonomy founder Mike Lynch. Raised a $75m Series C in Feb 2025 led by Point72 (~$165m total). HQ FLAG: C...

Robin AI SaaS

Richard Robinson, James Clough

Founded 2019 by an ex-Clifford Chance lawyer and an ML researcher. LLM-powered legal 'copilot' for contract drafting, review and negotiation, serving UBS, GE, Pfizer, PwC and others. Raised a $26M Series B (...

Tessl Devtools

Guy Podjarny

Founded 2023 by Snyk co-founder Guy Podjarny. 'AI-native', spec-centric software-development / agent-enablement platform where AI builds and maintains applications from specs. Emerged from stealth in Nov 202...

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