UK and Japan agree £18bn investment deal

The UK and Japan have signed an £18bn investment deal aimed at boosting infrastructure, financial services, and offshore wind energy. Prime Minister Keir Starmer framed the agreement as a new era of cooperation, though the deal faces scrutiny regarding the proportion of new versus existing funding.
Why it matters
This deal is a critical economic move for the UK as it seeks growth amid global geopolitical tensions and domestic economic challenges.
Image source, Getty Images By Mitchell Labiak Business reporter Published 14 June 2026 The UK and Japan have agreed a multi-billion pound investment deal which UK Prime Minister Sir Keir Starmer said will build a "new era of co-operation" between the two nations.
The report balances government announcements with opposition criticism and expert skepticism regarding the economic impact.
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