The agreements include a Japanese five-year investment pipeline of more than 9 billion pounds in infrastructure and financial services, alongside plans to unlock up to 9 billion pounds for UK offshore wind projects.

Japanese prime minister Sanae Takaichi visited Starmer to develop security ties with the UK, just months after Starmer visited Tokyo.

The Prime Minister Keir Starmer will welcome his Japanese counterpart Sanae Takaichi to Downing Street on Sunday ahead of the crucial G7 summit with other world leaders next week