By Lars Mucklejohn Revolut has swung to an annual profit and nearly doubled its revenue for 2023 as the fintech filed its first timely set of results in years. The London-based banking app posted a pretax profit of £438m for the year, swinging from a £25.4m loss in 2022. Its gross profit margin, grew to 76 per cent from 70 per cent. Revenue came in at £1.8bn last year, up from £920m in 2022 and exceeding Revolut’s own forecast. The firm said in December that it expected to hit $2bn (£1.7bn) in revenue for 2023. The results are the first since 2020 that Revolut has not sought an extension to fi…