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The Express Gazette
Monday, October 26, 2026

UK Chancellor Urged to Spark 'AI Big Bang' for Economic Revolution

Investment fund manager calls for bold government action akin to 1986 financial reforms to compete in the artificial intelligence era.

US Politics • an hour ago
UK Chancellor Urged to Spark 'AI Big Bang' for Economic Revolution

Chancellor John Healey is being urged to initiate a new 'Big Bang' to position Britain as a leader in the artificial intelligence (AI) revolution, drawing parallels to the transformative financial reforms of 1986.

Stephen Yiu, chief investment officer at Blue Whale Growth Fund, has warned that a failure to act decisively in the upcoming budget risks Britain being left behind as the global economy embraces AI. Yiu expressed concern that the budget might focus on minor adjustments rather than the bold, large-scale thinking required to make the UK a significant global competitor in this new technological era.

"This Budget will not herald a Big Bang but the Chancellor should light the fuse," Yiu wrote. "Failure to do so means Britain risks watching the next great economic revolution unfold elsewhere."

The Legacy of the Original Big Bang

Forty years ago, Margaret Thatcher's government implemented sweeping reforms in the City of London, often referred to as the 'Big Bang.' These changes dismantled red tape and reduced costs, significantly boosting the City's global standing and establishing it as a financial powerhouse.

Yiu, known for his fund's successful investments, including in chip giant Nvidia, described the 1986 reforms as "utterly transformational." He argues that a similar level of ambition is now needed to attract a new generation of global businesses, from data centers to technology manufacturers and suppliers, to establish operations in the UK.

"Critical to this is making the UK an attractive environment for investment," Yiu stated. He called for a multi-billion pound package of tax incentives and subsidies to encourage major technology companies to invest in Britain, suggesting that such a package could unlock several times its value in private investment.

A poll by accounting firm KPMG indicates that 87% of financial services executives believe AI will have a greater impact on the UK economy than the original Big Bang, anticipating widespread productivity gains beyond the financial sector.

Preparing for the AI Economy

Business leaders are pressing the Chancellor to prioritize economic growth and avoid introducing additional costs for businesses. Chris Hayward, policy chairman of the City of London Corporation, cautioned that anticipated tax increases on banks could undermine the progress made by the financial services sector since the Big Bang. "We need to back our financial services sector now," Hayward urged, emphasizing the crucial role of a strong City of London in driving the wider UK economy.

Yiu pointed to initiatives in other countries, such as the United States' Inflation Reduction Act and CHIPS and Science Act, and the European Chips Act, as examples of targeted incentives designed to attract investment in strategic industries. He suggested that similar measures in the UK could draw substantial private capital for AI infrastructure, such as data centers, which require significant investment.

Regional Investment and Domestic Capital

The proposed incentives should extend beyond London, Yiu argued, highlighting the potential for regional areas to attract AI infrastructure due to factors like land availability, reliable energy, and connectivity. This could foster job creation and economic activity in regions outside the capital, aligning with government ambitions for broader growth.

Beyond attracting foreign investment, Yiu also stressed the importance of mobilizing domestic capital. He suggested that UK pension funds could play a role in financing AI infrastructure, given its long-term investment horizon, provided risks and returns are appropriate.

Furthermore, Yiu called for increased government focus on university research and its commercialization. He advocated for targeted funding for AI research, university spin-outs, and industry partnerships, potentially matched by private investment, to help translate academic discoveries into practical applications.

"If the AI economy is to have the same transformational effect on Britain today as the Big Bang reforms did forty years ago, it will require sustained commitment across multiple governments," Yiu concluded. "This Budget will not herald a Big Bang but the Chancellor should light the fuse."


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