UK Courts Anthropic with London Expansion Plans After Pentagon Dispute

As the conflict with the US Department of Defense continues, the United Kingdom has entered the picture. The government in London, led by Prime Minister Keir Starmer, is now actively working to entice AI company Anthropic to significantly expand its British operations.

London Mayor Sadiq Khan has sent a personal letter to Anthropic CEO Dario Amodei, praising the company's ethical stance in refusing to allow its technology to be used for mass surveillance and autonomous weapons. Khan writes that London can offer "a stable, proportionate, and pro-innovation environment" in which this kind of AI can flourish.

The plans under discussion are far-reaching. Everything from expanding Anthropic's London office to a potential dual listing on stock exchanges in both the US and the UK. The proposals are expected to be presented to Amodei during a planned UK visit in late May, where he is scheduled to meet European customers and policymakers.

The backdrop is the Pentagon's decision to designate Anthropic as a "supply chain risk," after the company refused to allow the military to use Claude models for autonomous weapons systems. The conflict created diplomatic turbulence and was amplified when President Trump openly criticized the company.

Anthropic currently has around 200 employees in the UK, including approximately 60 researchers, and previously hired former Prime Minister Rishi Sunak as a senior adviser. The British outreach is part of a broader European strategy to build "sovereign AI" capabilities and reduce dependence on American and Chinese technology companies.

For CIOs and technology leaders in Europe, this is an important geopolitical signal: the AI landscape is beginning to fragment, and companies like Anthropic may face a choice between different regulatory homes. This could give European organizations new negotiating leverage and partnership models going forward.