OS/

OS/ is a specialized SaaS solution headquartered at Rudi-Dutschke-Straße 26 in Berlin, designed to streamline operations for agencies, consulting firms, and studios. As a robust platform categorized under Project Management, Agency Software, and AI Tools, it offers a comprehensive environment for teams looking to centralize their workflows. With a long-standing history dating back to 1966, the software combines established reliability with modern digital requirements, making it a unique contender among the best Project Management in Berlin.

The platform is built to integrate seamlessly with the tools your team likely already uses, including DATEV, Pleo, Qonto, awork, Clockodo, and Personio HR. This connectivity ensures that your agency’s financial and administrative data remains synchronized, reducing manual overhead. Prospective users can thoroughly evaluate the software’s capabilities before committing, as OS/ offers a generous 42-day free trial. If you require personalized assistance or have specific technical inquiries, the team provides an official website and a direct contact phone number to support your onboarding process.

With a strong reputation backed by 1,517 reviews and an impressive 4.6/5 rating, OS/ is highly regarded for its atmosphere and value. While some users have noted occasional criticism regarding match results, the platform remains a favorite for its informative interface and architectural efficiency. Please note that the office operates on a specific schedule, open Tuesday through Thursday from 6:00 PM to 12:00 AM, and is closed on Mondays. Whether you are managing complex client portals or scaling your agency's output, this SaaS tool provides the professional infrastructure necessary to maintain organized, productive client relationships.