Flexigroup's interest free credit cards business tripled its cash profit to $11 million, with more than 20,000 new customers signing up. The company said was aiming to expand its customer base locally and in New Zealand. "We will drive development through our core business and where appropriate, through acquisitions," Mr Robbiati said. FlexiGroup shares gained eight cents to $3.85. FLEXIGROUP BOOSTS CASH PROFIT