Discover new products

Innovative technology and accessories for every need.
Browse the new products now and be inspired.

Tradition meets a new beginning

We are opening a new chapter.
“Back to the roots” – leaner, more agile, more focused.

Siewert & Kau Technologies – Innovation meets experience

Strategic realignment with a clear view of the future

With Siewert & Kau Technologies, we are entering a new era – still with the same passion for IT that you know from us. Our headquarters will remain in Bergheim, and Oliver Kau and Björn Siewert will continue to manage the company with great experience and commitment.

As a reliable partner in the B2B sector, we offer you a strong portfolio of hardware, customized solutions and a service you can count on. Discover our extended range and benefit from our many years of expertise.

Would you like to find out more? Simply create a customer account or get in touch with our sales team – using the contact form or directly via our hotline. We look forward to hearing from you!

Mayor’s visit to mark the new start: Volker Mießeler recognises Siewert & Kau Technologies as a strong employer in Bergheim

PRESS RELEASE - Bergheim, 18 August 2025: On 18 August 2025, the Mayor of Bergheim, Volker Mießeler, visited Siewert & Kau Technologies at its headquarters in Bergheim. The occasion was the official opening of the company on 11 August 2025 and...

Investor process successfully completed: Siewert & Kau Technologies starts with a clear focus and investors

PRESS RELEASE - Bergheim, 1 August 2025: After more than 30 years as an established player in the IT channel, Siewert & Kau is embarking on a new chapter. With the foundation of Siewert & Kau Technologies the company is returning stronger...

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