winwerk is the Windows department of SerNet. The 2008 founded "winwerk GmbH" was merged completely into SerNet on Dec 31st 2016 with all contracts and obligations.

The service brand "winwerk" stands for fast, reliable and scalable services in the following fields:

  • Windows Server
  • Microsoft Exchange
  • Microsoft Cloud
  • Active Directory
  • SAN storage
  • Infrastructure / Virtualization
  • DATEV services

In close partnership with Microsoft, Red Hat, IBM, Fujitsu, Dell, Sophos, Avira, Cisco, Lancom and strong collaboration with other SerNet departments we deliver a wide range of services for our customers.

Consulting, conception, maintenance

  • Consulting: Experience gained over many years is the basis of our consulting. We prove our expertise with references and presentable, successful customer projects.
  • Concept: SerNet helps to analyze requirements and develop a suitable solution. Checklists based on successful concepts minimize effort and prevent errors during installation and configuration. A well-documented offer secures our customers' investment in the long term.
  • Maintenance: SerNet maintains software updates on customer systems according to jointly agreed cycles. In the event of security incidents, we act as quickly as possible and, if necessary, take over operation in accordance with a detailed operating agreement.

Sales Contact

We will gladly send you further information about our products and services!

Just give us a call or send an email to

Christian Börker, Nadine Dreymann, Willem Rothe and Andrea Schell.

Contact person

Christian Börker

Christian Börker Team Lead winwerk

+49 551 370000-0

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