Self-employed workers tend to sporadic income streams and managing cash flow is critical. With the advent of Open Banking, there are new opportunities to help these individuals optimize their balance sheets. Osu is a payment app built for the needs of the self-employed. The app lets businesses collect instant payments, invoice, and generate payment reminders all without any transaction fees. The company only charges a simple, flat monthly fee without the need for any hardware; Osu’s platform is able to collect payments via SMS. London TechWatch caught up with CEO and Cofounder Noam Nevo to learn more about the opportunity to support self-employed individuals with automation and smart solutions, the company’s future plans, and recent round of funding from investors that include Creandum, Ada Ventures, Charles Delingpole, Will Neale, and Michael Pennington.