Generative AI startups in London

London genAI company that turns text into studio-quality videos using realistic AI avatars and voices, widely used for enterprise training and comms. Raised ~$180m Series D in January 2025, cementing unicorn...

Piotr Dąbkowski, Mati Staniszewski"

"Founded 2022 by two Polish engineers (ex-Google ML / ex-Palantir), London-HQ'd AI voice company — text-to-speech, dubbing, speech-to-text, music and conversational voice agents. Raised $500M Series D in Feb...

Demis Hassabis, Shane Legg, Mustafa Suleyman"

"Founded in London in 2010 (as DeepMind; acquired by Google 2014), the world's most influential AI research lab and the anchor of London's AI ecosystem. Now the unified home of Google's AI, shipping the Gemi...

Chris Pedregal, Sam Stephenson"

"Founded in London 2023; AI meeting-notes app beloved by the tech/VC crowd, expanding into an enterprise 'AI memory' context layer. Raised a $43M Series B (May 2025, NFDG) at $250M, then a $125M Series C (Ma...

Emad Mostaque (founder); Prem Akkaraju (CEO)"

"Founded 2019, London-based generative-AI company behind the open Stable Diffusion image models. After founder Emad Mostaque stepped down in Mar 2024, ex-Weta Digital CEO Prem Akkaraju took over (Jun 2024) w...

Barnaby Hussey-Yeo

Founded 2016; generative-AI personal-finance assistant (chat-based budgeting, saving and credit) named a Forbes 'Next Billion-Dollar Startup'. A consumer-facing AI SaaS with strong data/ML core; borders fint...

Victor Riparbelli, Steffen Tjerrild, Matthias Niessner, Lourdes Agapito

Founded 2017; enterprise AI-video platform generating studio-quality video from text with AI avatars, used for corporate training and comms. Raised $180M Series D (Jan 2025, NEA-led) then a ~$200M round in O...