Business Statistics
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Business statistics · October 10, 2026

How many companies in the “Building authority” industry are there in Germany?

more than 650

The B2B database of dieanalysten GmbH alone lists more than 650 companies in the “Building authority” industry in Germany (October 2026). Most are located in Bavaria (166), Baden-Württemberg (114), Lower Saxony (72).

Key figures

665businesses in the database
0.8per 100,000 inhabitants
72%with own website

Companies by federal state

StateNumberShareper 100,000 inh.
Bavaria16625%1.2
Baden-Württemberg11417%1.0
Lower Saxony7211%0.9
Saxony467%1.1
Hesse467%0.7
North Rhine-Westphalia457%0.2
Thuringia325%1.5
Brandenburg315%1.2
Rhineland-Palatinate305%0.7
Mecklenburg-Western Pomerania223%1.3
Saxony-Anhalt203%0.9
Schleswig-Holstein203%0.7
Saarland71%0.7
Berlin30%0.1
Hamburg10%0.1
Bremen00%0.0
Germany665100%0.8

Cities with the most companies in the “Building authority” industry

Berlin3
Erfurt3
Bayreuth2
Munich2
Plauen2
Aichach1
Bad Säckingen1
Blankenburg (Harz)1
Bretnig-Hauswalde1
Bruchsal1
Cottbus1
Datteln1
Döbeln1
Ehingen (Donau)1
Essen1

Digitalization

28% of companies in the “Building authority” industry have no website of their own.

Related industries

Frequently asked questions

How many companies in the “Building authority” industry are there in Germany?

The B2B database of dieanalysten GmbH alone lists more than 650 companies in the “Building authority” industry in Germany (October 2026). Most are located in Bavaria (166), Baden-Württemberg (114), Lower Saxony (72).

Which German cities have the most companies in the “Building authority” industry?

Berlin (3), Erfurt (3), Bayreuth (2), Munich (2), Plauen (2).

How many companies in the “Building authority” industry in Germany have a website?

72% have their own website, 34% an email address.

How current is this number?

It is recalculated daily from the current database. Last update: October 10, 2026. Businesses in liquidation or with a recognizable closure are not counted.

Cite this number

Suggested citation
The B2B database of dieanalysten GmbH alone lists more than 650 companies in the “Building authority” industry in Germany (source: dieanalysten B2B database, October 2026, https://adressen.dieanalysten.com/en/statistics/building-authority).

The statistics are licensed under CC BY 4.0: free to use, including commercially, with attribution “dieanalysten” and a link.

Method: businesses in the database of dieanalysten GmbH minus a 5% safety margin; businesses in liquidation or with a recognizable closure are excluded. See methodology. As of October 10, 2026.