AI has seen UK tech surge, with the tech responsible for a third of the UK’s tech sectors total value which reacjed $1.6 trillion in 2026.

This is according to Tech Nation’s latest report for 2026, which tracked the top trends in the UK tech sector over the past year.

AI’s share of the total UK tech market value mre than doubled over the last five years, reaching 32%, and amassing a combined market value of $518bn in the first half of 2026.

The UK’s AI sector is expanting at a compound annual growth rate of 32%, far outperfoming the rest of UK tech, which saw growth of 10% overall.

In the UK, three in four venture dollars invested in the first half of 2026 went to AI companies, which raised more in the past 18 months than in the previous four years combined.

But AI is having a more transformational effect on UK tech as well, with 30% of tech founders claiming their business would not exist without AI, as major models reshape the tech ecosystem.

One in two founders say that the rise of AI is creating new opportunities in their industry, with 40% saying that they have introduced new products or services becuase of the tech. Further, about a third (32%) have built domain-specific AI agents.

Only 9% of UK founders said they made redundancies due to AI, the report found.

In 2025, 680 AI startups were launched in 2025, but 2026 will likely see a focus on finance, pharma and biotech, and defence as the central areas of AI growth.

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Still, while UK AI is growing, is this truly a home-grown phenomenon?

About 57p per ever exit pound flows back to the US, with one in two VC dollars coming from USA.

About half of UK founders say tax changes to incentivise AI investment would most suppor their business in the future.

“The UK is Europe’s number one AI ecosystem, ranks third globally for AI talent, and our AI sector is growing twice as fast as than our European counterparts,” Carolyn Dawson OBE, CEO of the Founder Forum Group said.

“However, this new AI era also poses real challenges for UK startup founders. Even with all our momentum, without the right infrastructure – the energy and compute to power our AI-led growth – the UK risks falling behind.”