These two twenty-somethings convinced HSBC to work with their startup — here's how

• Fintech startup Bud has signed a deal with HSBC and raised £1.5 million from Investec and Sabadell Bank.• CEO says Bud is in talks with 42 other banks around the world about possible deals.• The two-year-old startup helps banks build new products and services in partnership with outside companies — …