Britain faces a new and more dangerous threat to its sovereignty from foreign-owned artificial intelligence, a battle that will make Brexit look like a tea party, according to experts speaking at the World Future Technology Development Summit in London.
Warning from Leading Figures
Professor Yu Xiong, Fellow of the Academy of Social Sciences and co-founder of OxValue.ai, an Oxford University spin-out, said the struggle for AI control is the major geopolitical battle facing the planet. "The battle for sovereignty Britain faces from AI will make Brexit look like a tea-party. Sooner than anyone imagines, whoever controls AI will control sovereignty," he warned. "Whoever controls the AI controls the soul of a nation."
Baroness Uddin echoed the assessment, telling delegates that sovereignty is no longer measured only by borders and territory, but increasingly by who owns data and controls information flows. In a world where AI systems can influence elections, shape public debate and run critical infrastructure, the nation that controls the data controls the future, she argued.
Foreign AI Already Embedded in UK Systems
Foreign AI is already deeply integrated into Britain's public infrastructure. The NHS uses AI systems developed by foreign companies, including major US tech firms for diagnostic imaging, triage and patient-flow algorithms. NHS England's AI case-study repository confirms many deployments involve external suppliers. The Government's National Commission on AI in Healthcare includes experts from Google and Microsoft.
Multiple Government departments use foreign-based AI systems. The Cabinet Office, HMRC and the Department for Education are piloting Microsoft's AI-powered tools. The Home Office uses foreign AI for biometrics and border security. The Ministry of Defence relies on US-based Palantir for battlefield analytics and logistics. Local councils use Canadian and American predictive-analytics systems for social care, housing and fraud detection.
Four Mechanisms of Sovereignty Loss
Experts at the summit identified four categories through which AI can strip a nation of sovereignty: control of national data from health records to financial flows; AI-driven infrastructure dependency where foreign systems run energy grids, hospitals or transport networks; foreign-owned AI platforms shaping public opinion by controlling information citizens see; and economic dependency on foreign AI giants risking Britain becoming a digital client state.
Without sovereign compute—the ability to train and run advanced AI models on British soil—the UK will be forced to rely on foreign cloud giants for its most critical systems. As Dr Ian Levy, former Technical Director of the National Cyber Security Centre, warned: "If you don't control the infrastructure, you don't control the outcomes."
Britain's Unique Role in AI Governance
Professor Xiong argued the UK cannot compete with the US or China on raw spending power. Instead, Britain's strength lies in shaping the values and principles governing the next technological era. "The UK should define spirit and values. And those things matter greatly in the next stage of technology," he said, adding that Britain was uniquely placed to evaluate, regulate and ethically frame new technologies to ensure they serve democratic societies.
He rejected technological isolationism: "AI sovereignty is not about refusing to let anyone into the house. It is about welcoming guests, partners and friends while still having locks on the doors, rules inside the home, and the final say over how the house is protected. Britain should welcome global AI innovation, but it must keep the ability to decide what is safe, what is trusted and what serves the national interest."
Economic Realities and Infrastructure Challenges
The UK faces a brutal economic reality: it is one of the most expensive places in Europe to run the vast data centres needed for sovereign AI. Electricity prices, driven by years of under-investment, grid constraints and volatile wholesale markets, are a major deterrent. The International Energy Agency estimates AI-driven data-centre electricity demand will double by 2026. A 2025 report by the Data Centre Council warned that "the UK risks losing out on billions in AI-related investment unless energy costs are stabilised and long-term supply is secured." Several major operators have already chosen Ireland or Denmark over Britain.
Ben Houchen, Mayor of Tees Valley, told the summit that Teesside could be an outlier, offering cheaper, cleaner energy from new offshore wind projects and vast industrial land. "It is genuinely true to say that Teesside is the only place in the country that can deliver AI data centres and sovereign AI at that scale," he said.
Geopolitical Stakes and Urgent Action Needed
The United States and China are pouring vast resources into AI, each seeking to dominate global standards, platforms and supply chains. The EU is racing to impose regulatory frameworks that could shape global norms. Britain, despite its world-class research base, risks being squeezed between competing digital empires unless it acts decisively.
The warning from London was clear: if the country fails to act now during this critical transition, the sovereignty it fought to reclaim may slip away again—this time not to Brussels, but to the data empires of the 21st century. Only by securing its sovereign compute today can Britain ensure it has a seat at the table to shape international AI governance and values tomorrow.
