Fenster provides a best-in-class SaaS offering for window cleaners to manage their business. Our solution takes care of customers management, recurring task planning, job scheduling, customer notification, route optimisation, automatic invoicing via 3rd party integration, online booking for end customers, and much more. We make it easy to be a window cleaner, removing as much administration as possible and freeing up time to clean more windows. We are bootstrapped, based out of Copenhagen, Denmark.