CallOne is a modern SaaS provider specializing in cloud-based communication and IT solutions, serving over 4,000 companies, including notable clients like Check24, SodaStream, and the Helios Clinics Group. The company is recognized for its innovative approach, having launched the first ChatGPT-based voice solution overnight. With over a decade of successful and profitable entrepreneurship, CallOne became part of the Comdesk Group in mid-2022, which aims to further drive the company's growth. CallOne fosters a collaborative and flexible work environment, allowing employees to adapt their roles to their interests and needs, while emphasizing teamwork, personal development, and a hands-on approach to work.