As a full-service provider, we support our customers throughout the entire lifecycle of a project: from individual consulting, planning, and project management to the development of hardware and software solutions, the integration of sound systems, installation, commissioning, and comprehensive after-sales service.
With over 30 years of experience in the development and implementation of stationary passenger information systems, our company is one of the market leaders in Germany. Renowned clients such as Deutsche Bahn, Hamburger Hochbahn, VAG Nürnberg, MVG München, ÖBB, Bane NOR and many others have relied on our expertise and reliability for years.
As part of the Funkwerk Group, we bundle our expertise in passenger information. Since 2026, Oltmann has also officially operated as Funkwerk Oltmann GmbH, underscoring our continuous growth and innovative strength in the market for passenger information systems.