AI startups in London

London digital-first home-healthcare company using an AI platform to predict deterioration and deliver care in people's homes at scale, easing NHS/hospital strain. Raised $150m (debt+equity) in January 2025 ...

London edtech founded 2016 by Euan Blair and Sophie Adelman, delivering apprenticeship-based training and AI upskilling as an alternative to university. Became the UK's first edtech unicorn (2022) and reache...

London AI-infrastructure and GPU-cloud provider that closed a $1.1bn Series B in September 2025 — reported as the largest Series B in European history — backed by Aker, Microsoft, OpenAI, NVIDIA, Dell, Nokia...

London deeptech applying AI/ML to physics simulation for advanced engineering (aerospace, automotive, materials, semiconductors). Closed a $135m Series B (Atomico, Siemens, Applied Materials, Temasek) in 202...

London decision-intelligence platform using entity resolution and network analytics for financial crime, fraud, KYC and risk. Raised a $175m Series F in 2025 at a $2.6bn valuation (led by Ontario Teachers' V...

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...

Chri Besenbruch, Arsalan Zafar"

"Founded 2018 by two Imperial College London grads (co-founder Arsalan Zafar is of South-Asian / Pakistani origin); builds an AI-based video/image codec that compresses files up to 5x smaller than standard c...

Marc Warner, Angie Ma, Andy Brookes"

"Founded 2014 (originally 'Advanced Skills Initiative'), London-based applied-AI software & consulting firm, prominent in UK government / public-sector AI. In Jan 2026 Accenture agreed to acquire Faculty for...

Gary Wu, Cesar Maklary"

"Founded 2017, London-based AI 'neocloud' — started as an idle-GPU marketplace, now builds gigawatt-scale AI data centres / GPU clusters. Signed an $11B French 'AI factory' deal and Anthropic/Google-backed c...

Ben Fielding, Harry Grieve"

"Founded 2020 (Entrepreneur First), London-based decentralised machine-learning compute protocol connecting global GPU networks (data centres, gaming PCs) for on-demand AI training. Raised a $43M Series A in...

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...

Raza Habib, Peter Hayes, Jordan Burgess"

"Founded 2020 as a UCL spinout (YC-backed), London-based LLM evaluation, prompt-management and observability platform for enterprises (clients incl. Duolingo, Vanta). In Aug 2025 Anthropic acqui-hired the th...

Joshua Payne, Nathan Townsend"

"Founded 2024, London-HQ'd 'British hyperscaler' building AI-ready data centres and GPU cloud infrastructure. Raised a $1.1B Series B in Sep 2025 (Aker, Nvidia, Nokia, Dell) and a $2B Series C in Mar 2026 at...

Robin Tuluie, Jacomo Corbo, Nicolas Haag"

"London-HQ'd 'physical AI' company building large physics models (deep-learning surrogates for CFD/FEA) for aerospace, automotive, semiconductors and energy. Founders are ex-F1 (Mercedes/Renault) and ex-Quan...

William Tunstall-Pedoe"

"Founded by the creator of Evi (the tech behind Amazon Alexa, acquired 2013); London-based neurosymbolic-AI company combining LLMs with symbolic reasoning for trustworthy, explainable, auditable outputs (pil...

Alex Kendall, Amar Shah"

"Founded 2017, London-based embodied-AI company building a self-learning 'AI driver' (camera-first, no HD maps or hand-coded rules) for autonomous vehicles. Raised a $1.05B Series C in May 2024 led by SoftBa...

Sachin Dev Duggal

Founded 2016 by Indian-origin founder Sachin Dev Duggal; London-HQ'd 'AI-assisted' app-development platform. Hit a $1.5B unicorn valuation in 2023 (Microsoft, QIA backing) but collapsed into insolvency in 20...

London fintech (~$138m raised; EQT Ventures, Balderton, LocalGlobe) offering an AI chat-based money assistant aimed at Gen Z, with most users in the US and ~$150m ARR. Reportedly eyeing a fresh raise and a U...

London deeptech building 'behaviour AI' that predicts pedestrian and road-user intent for automotive, fleet and smart-infrastructure safety systems. Works with OEMs and camera/ADAS providers globally. A repr...

Demis Hassabis

Founded 2021 as an Alphabet company spun out of Google DeepMind, applying AlphaFold-derived AI to rational drug design. In 2024 struck research collaborations with Eli Lilly and Novartis; in April 2025 raise...

London AI-drug-discovery company spun out of Google DeepMind (led by Demis Hassabis), applying AlphaFold-derived models to design new medicines with pharma partners. Raised its first external round of $600m ...

London fintech using AI and behavioural science to make debt collection more empathetic and effective for lenders, utilities and the public sector, replacing aggressive legacy collections. Acquired by Intrum...

London enterprise voice-AI company (University of Cambridge spinout, founded 2017) building lifelike AI agents that answer customer-service calls. Raised an $86m Series D in December 2025 (Georgian, Hedosoph...

Vishal Marria

Founded 2016 by London-born, Indian-descent Vishal Marria. Decision-intelligence platform using contextual data + AI/entity resolution to fight financial crime, AML and fraud for banks and government. Raised...

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London legal-AI startup (founded 2019) building LLM-powered contract review and drafting tools, which raised ~$61.5m to date (incl. a 2024 'Series B Plus'). FLAG: fell into distress in late 2025 — cut staff,...

Alexandre Dalyac, Razvan Ranca, Adrien Cohen

Founded 2014 (Entrepreneur First alumnus). Computer-vision + deep-learning SaaS that appraises accident and disaster damage (vehicles, property) from photos to speed insurance claims. Became the UK's first c...

London AI company (founded 2014) using computer vision to assess vehicle and property damage from photos for insurers, enabling instant repair/claims estimates. An earlier UK AI unicorn and a pioneer of appl...