# Frontier AI & Research Labs startups in the UK

The labs building foundation models and pushing toward the frontier: frontier AI, AI safety, open models and AGI research. London hosts more frontier AI labs than any city outside the US.

8 companies · 222 open UK & remote roles

## Companies

- [OpenAI](https://aistartupslist.co.uk/company/openai.md) · King's Cross · Growth · 62 roles. Frontier AI lab and maker of ChatGPT and the GPT models.
- [Anthropic](https://aistartupslist.co.uk/company/anthropic.md) · Knowledge Quarter · Growth · 52 roles. AI safety company and maker of the Claude family of models.
- [Google DeepMind](https://aistartupslist.co.uk/company/google-deepmind.md) · King's Cross · Subsidiary. Alphabet's AI research lab behind the Gemini models and AlphaFold.
- [Meta](https://aistartupslist.co.uk/company/meta.md) · King's Cross · Public. Meta's FAIR lab researches NLP, vision and reinforcement learning in London.
- [Microsoft](https://aistartupslist.co.uk/company/microsoft.md) · Paddington · Public. Microsoft AI's London hub advances state-of-the-art foundation models.
- [xAI](https://aistartupslist.co.uk/company/xai.md) · Soho · Series E · 39 roles. Elon Musk's frontier AI lab and maker of the Grok chatbot.
- [Mistral AI](https://aistartupslist.co.uk/company/mistral-ai.md) · City of London · Series C · 67 roles. Paris-based open-weight AI firm building LLMs and the Le Chat assistant.
- [Ineffable Intelligence](https://aistartupslist.co.uk/company/ineffable-intelligence.md) · London · Seed · 2 roles. David Silver's lab building reinforcement-learning systems toward superintelligence.