Today's Service One Gebäudetechnik GmbH company
based on a more than 30-year experience from activities
in the field of construction service of the former Nixdorf computer AG

The company builds service one while on a wide range of products and services according to the philosophy



Since the 24.05.2017 we are certified EN ISO 9001:2015!




  • Electrical installation for building in the low voltage range
  • Inspection of electrical appliances, stationary and mobile (DGUV V3 / E-check)
  • Data acquisition and monitoring any counter to interface data center
  • Planning and production of switchboards
  • Comprehensive MSR-installations
  • Collaboration with selected suppliers and service providers of complex software solutions


We are there for you and look forward to your call!

Ulrich Knaup
Phone: +49 5251 87186-57
Mail:  ulrich.knaup@service-one.de


Building management

  • Technical maintenance
  • Video surveillance
  • Alarm systems
  • Tag management
  • Reception service including access control
  • Coordination of external services
  • Security reading circuits and home automation on circuits
  • Certified and authorized for fire protection / fire bulkheads
  • Certified and authorized for fire, smoke, burgla - and soundproof doors
  • Qualified technicians for power-operated Windows, doors and gates / TÜV Süd



How can we help you?


Service one Gebäudetechnik GmbH
Heinz-Nixdorf-Ring  1
33106 Paderborn


Managing Director
Mr. Dipl.-Ing. (FH) Matthias Däschner

Data protection officer:
Mr. Patrick Borkowski
phone: +49 (0) 52 51 – 877 888 320
email: borkowski@ecoprotec.de

Phone: +49 5251 87186-0
Fax: +49 5251 87186-99
Email: info@service-one.de

Register Court: Paderborn
Register number: HRB 7821
USt-IdNr.: DE 814524141

The photos on this site are either represent their own products or purchased the licences on Fotolia LLC USA. (www.fotolia.de)


Disclaimer - legal notice

1. limitation of liability

a) content and legal posts

The content of our website - especially the contributions of law - are researched with utmost care. However, the provider can accept no liability for the correctness, completeness and topicality of the provided information. The information are particularly common kind and provide legal advice in individual cases. To the solution of specific legal cases please consult a lawyer.

b) availability

We will also strive to offer the service as possible without any interruption to the call. Even with all the care downtime can be excluded however.

(c) external links

This website contains links to websites of third parties ("external links"). This websites is the responsibility of the respective operators. The provider has the foreign content checked at the first connection of the external links, if there are any violations of law. No legal violations were apparent at the time. The provider has no influence whatsoever on the current and future design and on the contents of the linked pages. The setting of external links does not mean that the provider exposes its own the contents behind the reference or link. A permanent control of these external links is not reasonable for the provider without concrete evidence of violations. Aware of breaches of law, however such external links will be deleted immediately.

(d) any contractual relationship

With the use of freely accessible and free content, no contractual relationship between the user and the provider is concluded.

Should you see a violation as a given, the provider asks a note kollegialiter and refrain from causing cost measures.

2. copyright

The contents published on this website and works are copyrighted. Any use not permitted by German copyright law requires the prior written consent of the respective author or creator. This applies in particular to reproduction, editing, translation, storage, processing or reproduction of contents in databases or other electronic media and systems. Content and submissions are third parties as such marked. The unauthorized reproduction or distribution of individual contents or complete pages is not permitted and punishable. Only the production of copies and downloads for personal, private and non-commercial use is allowed.

Links to the websites of the provider are always welcome and require no consent of the owner of the website. The presentation of this website in other frames is only with permission is allowed.

3. data protection

Visiting the website of the provider, information about the access (date, time, page viewed) are stored on the server. This data does not include personal data, but are anonymous. They are evaluated exclusively for statistical purposes. A transfer to third parties, for commercial or non-commercial purposes, does not take place.

The provider expressly points out that data transmission on the Internet (E.g. when communicating by E-Mail) security gaps exhibit and not completely against access by third parties can be protected.

The use of contact data of provider identification - in particular the telephone / fax numbers and E-mail address for commercial advertising is expressly not allowed, unless the provider had previously given his written consent or there is a already a business contact. The provider and all persons named on this website hereby object to any commercial use and disclosure of their data.

4. applicable law

It is exclusively the relevant laws of the Federal Republic of Germany. These terms of use are to be regarded as part of the Internet offer, from which this page was referred.