Manage driver and vehicle data with us.

Simple, reliable, transparent – and compliant with the latest EU laws.

TCD is a subsidiary of Semmler GmbH in Göppingen. The inventors and creators of the Semmler Roller are specialists in reading out and storing driver and tachograph data. Benefit from our experience of over 50 years with commercial vehicles.TCD has the right solution for companies of all sizes. As soon as your fleet is subject to the driving personnel ordinance or EU 561/2006, TCD is the right partner for you.Data management by TCD.If you need a new tachograph or a retrofit kit, then visit our new Tachograph Shop.
More about us you will find in our brochure.