PayiO

PayiO offers business accounts and a Corporate FX service, enabling clients to make and receive payments in multiple currencies. Their currency exchange provides the mid-market rate. They also offer open banking solutions and pricing plans to suit different business needs.

PayiO's Corporate FX service explicitly offers currency exchange at the mid-market rate and supports payments in 130+ currencies. The website mentions fast and secure currency conversion, indicating fast transfer execution. These align with the 'mid-market-exchange-rate-transfers', 'multi-currency-account', and 'fast-transfer-execution' features.