Brexit has emboldened leaders of Britain's financial technology sector to ramp up efforts to attract entrepreneurs to London, where a falling corporate tax rate and deep pools of capital and talent have created a thriving ecosystem that Australian governments wish to replicate.

The day after UK Prime Minister Teresa May called a surprise election for June 8, a delegation of Australian fintech start-ups, investors and government officials, arranged by the Australian British Chamber of Commerce, arrived in London for three days of briefings on UK fintech policy settings.