bow ingenieure gmbh
limited liability company
consulting engineers
Braunschweig • Hamburg

Hagenmarkt 8
D-38100 Braunschweig
Fon 0 5 31 – 2 43 59 -0
Fax 0 5 31 – 2 43 59 -51

Ottenser Marktplatz 13
D-22765 Hamburg
Fon 0 40 – 2 26 35 28 -0
Fax 0 40 – 2 26 35 28 -51


register court
district court of Braunschweig, Germany
commercial register 94 11

registered office of the company

sales tax identification no.

Dipl.-Ing. Dipl.-Wirt. Ing. Christoph Beecken

Architect Andreas Frenzel
Dipl.-Ing. (FH) Nora Wania
M.Sc. Joschka Poppke

professional liability insurance
HDI Versicherung AG, Hannover

appropriate Chamber of Engineers
Ingenieurkammer Niedersachsen
Hohenzollernstraße 52, D-30161 Hannover

Architektenkammer Niedersachsen
Friedrichswall 5, D-30159 Hannover

statutory job titles
Beratender Ingenieur/Beratende Ingenieurin
Architekt/inDiplom-Ingenieur/in (Dipl.-Ing.)
Diplom-Wirtschaftsingenieur/in (Dipl.-Wirt.Ing.)
Diplom-Ingenieur/in FH (Dipl.-Ing. FH)
Architekt bzw.Diplom-Ingenieur/in FH (Dipl.-Ing. FH)
Master of Science (M.Sc.)
Bachelor of Science (B.Sc.)
Master of Arts (M.A.)
Bachelor of Arts (B.A.)
confered in Germany
list of consulting engineers of the federal state of Lower Saxony
Dipl.-Ing. Dipl.-Wirt.Ing. Christoph Beecken (EL.-No. 2160)
Dipl.-Ing. Wiebke vom Berg (EL.-No. 2523)
Dipl.-Ing. Stefan Groth (EL.-No. 2532)
Dipl.-Ing. (FH) Edmund Karg (EL.-No. 1698)
Dipl.-Ing. (FH) Nora Wania (EL.-No. 2916)

list of consulting engineers of the city of Hamburg
Dipl.-Ing. Dipl.-Wirt.Ing. Christoph Beecken (EL.-No. 365)
Dipl.-Ing. Wiebke vom Berg (EL.-No. 377)

list of architects of the federal state of Lower Saxony
Architekt Andreas Frenzel (EL.-No. 16.982)
Architekt Uwe Becher (EL.-No. 18.937)
Architektin Christine Schwarzbach (EL.-No. 17.178)
Architektin Meike Zümendorf (EL.-No. 17.177)

list of structural engineers of the Chamber of Engineers of Lower Saxony 
Dipl.-Ing. Dipl.-Wirt.Ing. Christoph Beecken (TWPl.-No. 16756)
Dipl.-Ing. Stefan Groth (TWPl.-No. 18378)

list of engineers authorized to present building documents of the Chamber of Engineers of Lower Saxony
Dipl.-Ing. Dipl.-Wirt.Ing. Christoph Beecken (EWV.-No. 16280)
Dipl.-Ing. Stefan Groth (EWV.-No. 18378)

list of engineers authorized to present building documents of the Chamber of Engineers of Hamburg
Dipl.-Ing. Dipl.-Wirt.Ing. Christoph Beecken (EL.-No. 481)
Dipl.-Ing. Wiebke vom Berg (EL.-No. 497)

List of those exempted from testing for structural stability in the state of Schleswig-Holstein

Dipl.-Ing. Wiebke vom Berg (EL.-No. 2185)

energy consulting (EBW)
Dipl.-Ing. Dipl.-Wirt.Ing. Christoph Beecken (Consultat-No. EB381183)
Dipl.-Ing. Architektin Christine Schwarzbach (Consultat-No. EB381182)

ernergy consulting in small and medium-sized businesses (BAFA)
Dipl.-Ing. Dipl.-Wirt.Ing. Christoph Beecken

energy auditing according to DIN 16247
Dipl.-Ing. Dipl.-Wirt.Ing. Christoph Beecken

funding programs of the german reconstruction loan company (KfW) 'energy efficient construction and redevelopment - residential buildings'
Dipl.-Ing. Dipl.-Wirt.Ing. Christoph Beecken
Dipl.-Ing. Architektin Christine Schwarzbach

funding programs of the german reconstruction loan company (KfW) 'energy efficient construction and redevelopment - non-residential buildings'
Dipl.-Ing. Dipl.-Wirt.Ing. Christoph Beecken
Dipl.-Ing. Architektin Christine Schwarzbach

funding program of the german BAFA energy consulting DIN 18599

Dipl.-Ing. Dipl.-Wirt.Ing. Christoph Beecken                                        Dipl.-Ing. Architektin Christine Schwarzbach

approved training company

legal jobs regualtions
– Niedersächsisches Ingenieurgesetz (NIngG) download:
– Niedersächsisches Architektengesetz (NArchtG) download:
– Honorarordnung für Architekten und Ingenieure (HOAI) download:
data protection representative
bow ingenieure gmbh
Stefan Groth
(05 31) 2 43 59 -0


liability clause
This website was assembled with the greatest diligence. Wir are making an effort to keep all information up to date. However, we can not take any liability or give any guaranty for the validity or completeness of the given information. bow ingenieure gmbh denies any liability for damages, which directy or indirectly result from the usage of this website.

According to the ruling of May 12th 1998 ‚liability for links‘ (312 O 85/98) of the regional court of Hamburg, bow ingeineure gmbh ditances itself from all contents of all links webpages. The owner of those website are soeley responsible for the contonts of the linked websites.

Copyright and trademark laws
Copyright 2005 – 2021 bow ingenieure gmbh. All rights reserved. All texts images, graphics and their arrangements are subject to copyright and other laws to protect intellectual property. The contents of this website may not be copied, distributed, altered or made accessible to thrid parties for commercial reasons. This website contains pictures that are copyrihgted by thrid parties.

The name bow and the bow-logo are registered trademarks at the Office for Harmonisation in the Internal Market, No. 005337671 resp. No. 005337514.

Privacy policy

Customer information in accordance with Articles 13 and 14 EU GDPR (EU-DSGVO) on data storage

We hereby inform you how we handle your personal and property-related data that we collect and store as part of our customer service. Personal and property-related data is information that relates to people or properties and can lead to their identification.

1. Subject of this privavy policy

The protection of you personal information (‚data‘) is an important concern to us. In the following policy we want to inform you extensivly about how this data is collected, processed and used as well as which accompaning technological and organizational measures were taken to protect your data.

2. Responsible party/ service provider

Responsible party according to section 4 GDPR and section 55 of the Interstate Broadcasting Agreement (Rundfunkstaatsvertrag) and service provider according to the German Teleservices Act (Telemediengesetz TMG) is bow ingenieure gmbh (details: see above).

3. collection and usage of your data

All personal data we collect, we will only collect, process and use for the declared cause. We only do this in accordance with current laws and regulations or with your consent. According to the EU-GDPR you have the right to the disclosure of your collected data at any time and free of charge and as the circumstances require the correction, blockage or deletion of this data. You can, according to section 21 GDPR, object to the processing of your data in the mentioned cases. Please contact or send your objection by mail. You have the right to raise a complaint at the overseeing agency for data protection:

Die Landesbeauftragte für den Datenschutz Niedersachsen

Prinzenstraße 5
30159 Hannover
Telefon: 0511 120-4500
Telefax: 0511 120-4599

The extent and kind of collestion and usage of your data differs depending on wether you visit our website to get information or if you make use of the services we offer:

a) internet usage


For the informational use of our website it is generally not necessary to disclore personal data. In this case, wo only collect and use the data that your internet browser transfers automatically: date and time of day of the accessing of our website, your typ of web browser, settings of your browser, your operating system, the last website you visited, the amount of transferred data and state of access, as well as your IP-adress. For informational access of this website, we only use this data in non-personal form. This is necessary to enable the usage of this website, for statistical purposes as well as the improvement of our online serivices. The IP-adress is only stored for the duration of your visit and is not analyzed personalized. The data will not be joined with other sources of data and is deleted after a statisical analysis. This is allowed by the European Court of Justice (ruling on October 19th 2016, Case-No. C582/14) and the German Teleservices Act (Telemediengesetz TMG).

b) usage of services resp. Data usage for the fullfilment of tasks


4. consent to data protection

Except for the handling of your requested services we do not provide personalized services and do not send news via mal or e-mail based on your data.

For the publishing of images which are subject to your copyright or which display you, we may need your consent. You can give your consent separatly. You can withdraw your consent at any time with future effect.

5. newsletter


6. usage of cookies

We do not use web beacons (invisible graphics), that can analyse information like visits on our websites.

You can specify in your browser settings, wether cookies can be saved and accessed. You can deactivate the storage of cookies, limit it to certain websites or recive automatic notifications, if a cookie may be saved and give indiviual consent.

7. Note on data transfer to the USA and other third countries

We use, among other things, tools from companies based in the USA or other third countries that are not secure in terms of data protection. If these tools are active, your personal data may be transferred to these third countries and processed there. We would like to point out that a level of data protection comparable to the EU cannot be guaranteed in these countries. For example, US companies are obliged to hand over personal data to security authorities without you as the data subject being able to take legal action against this. It cannot therefore be ruled out that US authorities (e.g. secret services) process, evaluate and permanently store your data on US servers for surveillance purposes. We have no influence on these processing activities.

8. right to withdraw consent and objection

We inform you, that you can withdraw your consent at any time with the effect on future data collection. If legal reasons for the collection of data exist (e.g. lists of architects and engineers), there is no right to withdraw consent.

9. usage of statistical analysis


10. data security

We use technical and organisational security measure to protect accured or collected data, esp. against accidental or intentional manipulation, data loss, deletion or attacks by unauthorized persons. Our security measures are updated according to technological advances.

11. terms of deletion

We delete the data as soon as the reason for the storage no longer exists, except when retention persiods or statues of limitations of data, which is potentially subject of prosecution, hinders this (in this case the processing of data is limited according to section 18 GDPR).

12. Plugins and Tools

Google Web Fonts (local hosting)

This site uses so-called web fonts, which are provided by Google, for the uniform display of fonts. The Google Fonts are installed locally. There is no connection to Google servers.

Further information about Google Web Fonts can be found at and in Google's privacy policy:

Google Maps

This site uses the map service Google Maps. The provider is Google Ireland Limited (“Google”), Gordon House, Barrow Street, Dublin 4, Ireland.

In order to use the functions of Google Maps, it is necessary to save your IP address. This information is usually transferred to a Google server in the USA and stored there. The provider of this site has no influence on this data transfer. If Google Maps is activated, Google can use Google Web Fonts for the purpose of uniform font display. When you access Google Maps, your browser loads the required web fonts into your browser cache in order to display texts and fonts correctly.

The use of Google Maps is in the interest of an attractive presentation of our online offerings and to make it easy to find the places we indicate on the website. This represents a legitimate interest within the meaning of Art. 6 Para. 1 lit a EU GDPR (EU-DSGVO) and § 25 Para. 1  TTDSG, insofar as the consent includes the storage of cookies or access to information on the user's end device (e.g. device fingerprinting) within the meaning of the TTDSG. Consent can be revoked at any time.

Data transfer to the USA is based on the EU Commission's standard contractual clauses. Details can be found here: and

You can find more information on how to handle user data in Google's privacy policy:


design: bow ingenieure gmbh

realization: High Office GmbH, Braunschweig