Britain's pioneering technology sector smashed investment records in 2017, striking deals worth £3billion.
It was almost double the £1.6billion bagged in 2016, with most of it, or £2.5billion, raised in London.
Big deals included a £391million investment into software firm Improbable, £364million raised by takeaway company Deliveroo and £255million by mobile network Truphone.
By comparison Germany, the nearest competitor, raised £695million and France raised £668million.
Both have been touted as challengers to London when Britain exits the EU.
London mayor Sadiq Khan said: 'The figures are further proof London is the undisputed tech capital of Europe.
'I am committed to ensuring we take over from Silicon Valley as the world's leading tech hub.