We make the world of tomorrow simpler & more aesthetic.

As a UX pioneer, we design user interfaces for your digital product world of tomorrow.

For over 25 years, we have been a provider of customized UX services – from idea development and conception to professional implementation. Solutions made by UID impress with simple operation and a positive user experience. But that’s not enough for us: our heart beats for the anchoring of UX in your organization and for more UX in your digital transformation strategy. To create outstanding products that inspire users and ensure your market success.

Who is UID?

UID – these are people who have one thing in common: A passion for simple and aesthetic user interfaces.

The experts in usability, UX design and software work every day to create incomparable user experiences.

The result: over 5,000 projects in the consumer, enterprise, industry, medical and mobile sectors.


… comprises the BAYOONET Group, to which UID also belongs.


… we have managed together so far. And the number is constantly growing.


… experience is in UID. In 1998, the
UX pioneers Franz Koller and Dr. Claus Görner UID.


… in Ludwigsburg, Berlin, Darmstadt, Cologne, Mannheim and Munich.

Our expertise

Whether user interface, complete product family or customized services – we provide support from the initial idea to front-end development. For a successful product strategy, we analyze the needs of your target groups. Our UX professionals work in a user-centered way, from brainstorming to user interface concept and design through to prototyping. Our Changitors offer UX consulting for the development and optimization of competencies, strategies and processes in companies.

Use the insights from user research analyses for your successful product strategy.
Turn the user experience of your product world into a holistic experience with unique user interfaces.
Implement your UI design precisely and efficiently with our frontend specialists.
Develop the future of your projects, products, services and teams with UX.

Our customers

For more than 25 years, we have been working for renowned customers at home and abroad in the consumer, enterprise, industry, medical and mobility sectors.

What turns us on and off


UID employees work independently in autonomous customer teams in an agile structure: close to the customer and close to the market.


We focus on the future-oriented use of resources and design solutions whose impact on the economy, environment and society we know.

UID values

We are characterized by courage and curiosity, team spirit, fairness and transparency, freedom and a penchant for challenges.


We design cutting-edge products with you and set standards. This is no coincidence, but the result of our constant striving for innovation.

Our awards & honors

Together with our customers and their user interfaces, we regularly win prestigious design awards.

UID partner


YOOme covers the entire life cycle of medical devices: With our partners BAYOOCARE, BAYOOMED, Mechatronic and Puls Produktdesign, we provide support from design to device development, certification and international approval and marketing.



Software and hardware from a single source – no problem thanks to our partner Grossenbacher Systeme. The Swiss hardware specialist offers precisely tailored solutions with potential for innovative new developments.



UID is a partner for the automation platform ctrlX AUTOMATION from Bosch Rexroth. Using web technology, it makes engineering 30 to 50 percent more efficient. UID develops HMI solutions for ctrlX AUTOMATION and migrates legacy systems to the web world.