ULTRA IoT is a one-stop-shop for modular IoT solutions. From scientific environmental monitoring to smart products that create value for a business, we offer quick, custom made solutions. Examples of our succesfully launched products are: - TreeWiFi - the smart birdbox that measures air pollution and gives free WiFi when the air is clean - Smart beersign - an add-on for existing urban infrastructure to measure noise around bars(winner of ITCH city hack 2017) - Urban totem - custom built device showing relation between vehicle pollution in both air and sound quality.(commissioned by Marineterrein campus and Connekt Netherlands) We are currently building an open source IoT prototyping toolkit.