Rhombus, accessible at https://www.withrelay.com/, is a fintech company that specializes in simplifying and automating the financial operations for freelancers and small business owners through its integrated banking platform. Their solutions aim to streamline daily financial tasks like invoicing, payments management, and financial tracking in one user-friendly application. Rhombus seeks to empower entrepreneurs by providing tools that save time and enhance financial clarity, thereby aiding them in focusing more on growing their businesses.