UK BUSINESS AI UNIVERSE: Big tech in the UK: General-purpose AI models

General-purpose AI models

4 records Theme: Companies · Generated from this page's data. Click a name to open its panel on the Big tech in the UK page. Records resting on one source are tagged "one source".

Record	What it is	Place	Links	Confidence
Anthropic (UK)Companies	The London office of the US company that makes the Claude AI models; it does research and sells to UK businesses and government.	107 Cheapside, London (EC2V 6DN)	Companies House · anthropic.com/news/gov-UK-partnership · find-and-update.company-information.service.gov. · gov.uk/government/news/leading-tech-firms-invest · gov.uk/government/publications/digital-and-techn	verified
Mistral AI (UK)Companies	The UK company of the French developer of large language models, registered in the City of London.	London (EC2R 8DU)	Companies House · legal.mistral.ai/terms/mistral-ai-affiliates/ · find-and-update.company-information.service.gov. · gov.uk/government/news/uk-ai-sector-attracts-200	verified
OpenAI (UK)Companies	The London office of the US company behind ChatGPT; its first office outside the United States, working on research, engineering and sales.	London (SW1H 0BL)	Companies House · openai.com/index/introducing-openai-london · find-and-update.company-information.service.gov. · tech.eu/2026/04/13/openai-to-move-to-first-perma · gov.uk/government/news/openai-to-expand-uk-offic	verified
xAI (UK) — X.AI London LtdCompanies · also on Labs	The London operation of xAI, the US company founded by Elon Musk that builds the Grok chatbot; it began hiring engineers in London in January 2025. Profile Owner or parent xAI Founded or opened UK entity incorporated in December (year implied 2024), per UKTN citing Companies House; hiring reported 8 Jan 2025 Lab director or lead Toby Pohlen — xAI founding member and former DeepMind researcher, "thought to be leading the London team" (UKTN, Jan 2025) — lead, not verified Other leaders Jared Birchall — cited as Chief Financial Officer (UKTN, Jan 2025) Site and address as published X's office in Piccadilly, London (Jan 2025) Headcount Not stated. 7 London roles listed on x.ai on 31 Oct 2026 — https://x.ai/careers/open-roles What it does xAI's London engineering team, set up in late 2024 in X's Piccadilly office. xAI described it as engineers working on large-scale distributed systems across data, research and product. On 31 October 2026 xAI listed seven London roles, including a Member of Technical Staff in reasoning on its Model team and product roles for X Money. Research groups or focus "large-scale distributed systems across data, research, and product" (Jan 2025); London roles on 31 Oct 2026: Backend Engineer – API (Engineering); Backend Engineer (Infrastructure); Legal Counsel; Member of Technical Staff – Reasoning (Model); Member of Technical Staff – X Money; Mobile Android Engineer; Mobile iOS Engineer (Product) Partners named Lewis Silkin — law firm that advised on incorporation — Jan 2025 Status now Hiring: seven London roles were listed on 31 Oct 2026. Labs Round 8 deep profile (31 Oct 2026), as the researchers wrote it; confidence: one source. Sources uktech.news/ai/elon-musks-xai-starts-hiring-in-l x.ai/careers/open-roles	20 Air Street, London (W1B 5AN)	Companies House · uktech.news/ai/elon-musks-xai-starts-hiring-in-l · find-and-update.company-information.service.gov. · find-and-update.company-information.service.gov. · x.ai/careers/open-roles	verified