Ten years after incorporating and six years after beginning to process payments, Tyro Payments is trading consistently in the black.Tyro yesterday reported an operating profit of A$3.3 million for the year to June 13, up from a loss of $500,000 in 2011/12. Statutory net profit, of $9.9 million, included $6.6 million in recognition of a deferred tax asset.Revenue increased 38 per cent, to $39 million, earned from processing more than $4 billion in credit and debit card transactions.Jost Stollmann, chief executive of Tyro, said in a media release that the value of Tyro transactions increased by 38 per cent last year.He said the company had 8000 merchants and processed 5.3 million payments, of which close to one fifth were Medicare refunds at the point of sale. In its annual report, Tyro said it "intends to invest significantly into the further build-up of its sales and engineering teams."