Britain’s reliance on US cloud giants alarms its politicians
AI generated
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reliance → alarm → politicians
Britain’s dependence on big American cloud providers poses “a strategic and economic vulnerability” to the country, politicians warned, as American authorities have the power to switch off Britain’s public services or demand personal information under federal law.
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authorities → pose → law
Some of Britain’s most critical public services such as health, defence and tax administration are migrating to American clouds, raising concern among Members of Parliament.
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health → migrate → Parliament
The unpredictable administration of US President Donald Trump makes the issue particularly urgent, they said.
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they → make → Trump
Chi Onwurah, chair of the British parliament’s science, innovation and technology committee, told Bloomberg that Washington effectively holds a legal “kill switch” in the form of the US Cloud Act, which overrides British privacy and data protection laws.
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which → tell → laws
Under the legislation, US-headquartered providers can be made to disclose personal data on their servers if the government declares someone a threat, the committee was told by experts.
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committee → headquarter → experts
The US can also order providers to withhold or withdraw services.
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US → order → services
Earlier in 2026, the committee warned that as a result, British public services could be “derailed at any time by a decision taken outside our shores”.
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services → warn → shores
Onwurah said recent White House decisions to block Anthropic and OpenAI from sharing tools with Britain revealed the potential threat.
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decisions → say → threat
“The president could kill parts of critical national infrastructure by turning it off,” she said.
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she → kill → it
However, it’s “unlikely the UK could build a national competitor” to the services provided by US tech giants on its own, Onwurah added.
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Onwurah → ’ → own
“We should be working with France and Germany.”
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We → work → France
Sovereignty is becoming an increasingly urgent issue as Britain tries to take advantage of artificial intelligence (AI), which requires access to the cloud for the computing power needed to process data.
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which → become → data
Kanishka Narayan, the AI minister, said last week that Britain needs around six times its current level of power just to cover basic requirements.
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Britain → say → requirements
Only a massive data centre roll-out could deliver that, but AI hyperscalers already face a backlash.
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hyperscalers → deliver → backlash
In September, the Scottish government voted to pause all new hyperscale data centre developments, putting 24 projects on hold.
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government → vote → hold
Residents in other parts of Britain have also protested against data centres, mirroring the political fallout in the US.
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Residents → protest → US
Cloud security could be one way of changing the public mood.
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security → change → mood
“The thing the British public really doesn’t like is their private sensitive data, particularly their healthcare data, going to foreign billionaires,” Narayan said.
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Narayan → like → billionaires
The British government spends about £1 billion (S$1.7 billion) a year on cloud services, according to estimates from the committee, and is particularly dependent on Amazon Web Services (AWS) and Microsoft.
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government → spend → Services
Onwurah said those two providers alone account for as much as 80% of cloud services bought by the British government, but officials “don’t know the exact level of dependence”.
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officials → say → dependence
In the past year, HM Revenue & Customs (HMRC) awarded AWS a £473 million 10-year contract to manage British tax data and the Ministry of Defence (MOD) struck a £400 million deal with Google Cloud to “strengthen secure communication links between the UK and US”.
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Ministry → award → UK
National Health Service (NHS) trusts are migrating patient records from servers to US clouds.
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trusts → migrate → clouds
The dominance of the large US cloud providers is raising competition concerns, with some experts warning that sector poses a far greater monopoly risk in Britain than AI itself, where there is more plurality.
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sector → raise → AI
“On this question of monopoly, the place where you can see more concentration is the cloud providers themselves,” James Benford, director general of economic statistics at the Office for National Statistics, told a recent conference in London.
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Benford → see → London
Onwurah believes the government is “not getting value for money”.
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government → believe → money
A government spokesperson said officials were working “to strengthen resilience and improve the way the public sector procures and manages cloud services” and that departments must consider “risks associated with over-reliance on any individual supplier”.
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departments → say → supplier
All three departments said their data was safeguarded in British domiciled data centres, in response to queries from Bloomberg, but did not address the US Cloud Act concerns directly.
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data → say → concerns
Europe
Other European countries are taking a more forceful approach than Britain, prompted in part by testimony from Microsoft France’s legal director in 2025 in which he accepted the company would not be able to oppose a US injunction demanding access to French citizens’ personal information.
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company → take → information
The European Commission is developing its own framework under the Cloud and AI Development Act to “strengthen Europe’s sovereignty and competitiveness in the cloud and AI ecosystem” by encouraging greater use of the continent’s infrastructure.
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Commission → develop → infrastructure
In April, France replaced Microsoft Azure with domestic cloud provider Scaleway for its national health data hub and has developed OVHcloud, a sovereign cloud service.
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France → replace → OVHcloud
The German state of Schleswig-Holstein has moved from Microsoft to open-source alternatives.
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state → move → alternatives
However, even European alternatives are tiny compared with their US rivals.
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alternatives → compare → rivals
OVHcloud had just about €1 billion (S$1.4 billion) in revenue in 2025.
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OVHcloud → have → 2025
AWS had $128 billion (S$163 billion).
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AWS → have → billion
HMRC said its cloud contracts have to meet “strict government security, data protection and procurement requirements”.
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contracts → say → requirements
MOD said contracts were subject to “strict data sovereignty and security controls.”
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contracts → say → sovereignty
The Department of Health and Social Care said protecting patient data was “an absolute priority” and all NHS organisations “must comply with UK data protection law”.
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organisations → say → law
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