London-listed gaming operator Betfair has reported a 21 per cent increase in revenue to £476.5m for the year ended April 30th, with the company’s investment in product and marketing helping to drive a 52 per cent rise in active customers to a record 1.7m.

Sports betting revenue grew by 5 per cent to £84.7m, with strong volume increases partly offset by an £8.4m increase in customer bonus deductions as a result of investment in promotional activity to attract and retain customers.

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