Statements as per section 5 TMG (German Telemarketing Act) and DL-InfoV (Ordinance on Service Providers' Duty to Inform)

Owners of this website

WTM Engineers GmbH
Johannisbollwerk 6-8
20459 Hamburg
Tel.:+49 40 35009-0
Fax:+49 40 35009-100


Authorized partners/managing directors

Dr.-Ing. Ulrich Jäppelt, Dr.-Ing. Stefan Ehmann, Dr.-Ing. Alexander Steffens, Dr.-Ing. Hans Scholz
Dr.-Ing. Thomas Schadow, Dr.-Ing. Gerhard Zehetmaier


Entry in the commercial register

Entered in the commercial register, Court of Registry: Hamburg District Court, as file no. HRB 95764


VAT identification number



Professional code of conduct

Professional designation

Consulting engineers for the construction industry


Responsible chambers / authorities / regulatory agencies

Hamburgische Ingenieurkammer - Bau (HIKB)
Corporation under public law

Grindelhof 40
20146 Hamburg

Tel.:+49 40 - 413 45 46-0
Fax:+49 40 - 413 45 46-1 


Baukammer Berlin
Corporation under public law

Heerstraße 18/20
14052 Berlin

Tel.:+49 30 - 797 443 00
Fax:+49 30 - 797 443 29


Bayerische Ingenieurekammer-Bau
Corporation under public law

Schloßschmidstraße 3
80639 München

Tel.:+49 89 419 434-0
Fax:+49 89 419 434-20

The professional codes of conduct can be downloaded from the above-mentioned websites of the relevant engineering chambers.


Dispute resolution

The European Commission provides a platform for online dispute resolution (ODR):
You can find our e-mail address in the legal notice above.

We are neither willing nor obliged to participate in conflict resolution procedures before a consumer arbitration board.



AXA Versicherung AG 
Heidenkampsweg 74-76
20097 Hamburg

Insurance no.: 20231900226
Worldwide coverage with restrictions for the USA, Canada and Australia



Liability for content

As a service provider, we are liable as per section 7, para. 1 of the German Telemarketing Act (TMG) for our own content on these webpages according to general laws. According to sections 8 to 10 TMG we as a service provider are not obliged, however, to monitor third-party information forwarded to us or stored, or to undertake research for reasons that point to activities involving violations of the law. This does not affect obligations to delete or block the use of information under general laws. However, liability in this regard can only be incurred as of the point in time when an actual violation of the law comes to our attention. If corresponding legal violations come to our notice, we shall immediately remove such content from our website.


Liability for links

Our website features links to external third-party websites, the content of which is not subject to our influence. For this reason, we cannot assume any guarantees for said third-party content. The content of linked websites is the sole responsibility of the respective service provider or operator of the pages in question. The linked pages were checked at the time the link was set for possible violations of the law. We were unable at that point in time to discern content that violated the law. However, permanent control of the content of linked pages goes beyond the scope of what we can be expected to do without there being firm indications of a legal violation. We will immediately remove such links if such legal violations come to our attention.


Copyright law

The content and works on these webpages created by the website operator are subject to German copyright law. Reproduction, processing, dissemination and any form of use beyond the limits of the copyrights shall require the written agreement of the respective author / provider. Downloads and copies of this website are only permitted for private, non-commercial use. Where any content on this website was not created by the operator, third-party copyrights were heeded. If you nevertheless notice an infringement of copyright, we ask that you please bring it to our attention, and we will remove said content without delay.

Picture credits

Please find below in alphabetical order the sources for the images, graphics and plans used on this website:


  • 123RF / Antony McAulay
  • ARGE Huntebrücke (WTM Engineers – grbv – Meyer+Schubart)
  • Bachmeier (im Auftrag der TUM)
  • BAUER Group
  • Bitschnau GmbH
  • bloomimages
  • Blunck+Morgen Architekten
  • BMVI
  • Bundesanstalt für Wasserbau
  • Bundesministerium f. Verkehr & digitale Infrastruktur
  • Christian Augustin / HTG
  • Christian Lindgren
  • customQuake
  • dani3315 - Alamy Stock Photo
  • Daniel Sumesgutner
  • David Chipperfield Architects Berlin
  • DBV / Dariusz Misztal
  • DEGES /
  • Deutschland Stipendium
  • Dietmar Feichtinger Architects
  • Dissing+Weitling
  • EFFEKT Arkitekter
  • EFFEKT, karres+brands, ARUP, Alectia
  • European XFEL
  • European XFEL / Marco Urban
  • EVE Images / Staab Architekten
  • Falcon Crest Air
  • Femern A/S
  • Florian Englert
  • Florian Nagler Architekten
  • Flughafen Zürich
  • Fotograf: Franz Brück, Bildrechte: Bayerische Hausbau
  • Fraunhofer EZRT / Deutsches Museum
  • Georg Baur
  • Germanischer Lloyd
  • gmp Architekten
  • Gregor Schmidt
  • Haberland Architekten
  • Hafenprojektgesellschaft Helgoland mbH
  • Handelskammer Hamburg / Nicolas Maack
  • HCU
  • Heiner Leiska
  • Herzog & de Meuron
  • HHS Planer + Architekten GmbH
  • Hochbahn
  • Hochbahn, Raupach Architekten / Pfarré Lighting Design / Strauss+Pedrazzini
  • hochschule 21
  • HPA / MKP
  • IG Siegtalbrücke
  • IGU5M
  • Ingenieure ohne Grenzen e.V.
  • Karin Jobst
  • Klaus Frahm
  • Klaus Frahm / ARTUR IMAGES
  • Lienert
  • LSBG Hamburg
  • Marcus Bredt
  • Markus Tollhopf
  • Matthias Wiechmann, Polizei Hamburg
  • Michael Moser Images
  • moka-studio
  • MOMENI Gruppe
  • MONO
  • MRLV Architekten, Herr Voss & Metsä Wood
  • Nic Lehoux
  • Oliver Heinemann Photography
  • planen-bauen 4.0
  • Planung: © Arbeitsgemeinschaft agn Leusmann mit TIM HUPE Architekten, Hamburg. Visualisierung erstellt durch bloomimages, Hamburg
  • PSP Architekten und Ingenieure
  • Ralf Steinbock
  • Randers Kommune
  • Reinhardt & Sommer
  • René Legrand / DEGES
  • Renzo Piano Building Workshop in collaboration with Cooper, Robertson & Partners
  • Sarah Bernhard
  • Schicht | Unser Architekten Part GmbH
  • Smart City Loop GmbH
  • TH Lübeck
  • Thomas Otto
  • Timo Jann
  • Timothy Schenck 2015
  • Torsten George
  • TU München
  • Ulrich van Stipriaan (TU Dresden)
  • Verkehrsdirektion Hamburg
  • VSNS / Danny Thielemann
  • Werner Bartsch
  • Werner Huthmacher
  • Wettbewerbsentwurf Schadowstraße 4, CODE UNIQUE Architekten, Dresden
  • WFB / Frank Pusch
  • WSA Brunsbüttel
  • WTM Engineers