Business Statistics
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Business statistics · October 18, 2026

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

more than 550

The B2B database of dieanalysten GmbH alone lists more than 550 companies in the “Building authority” industry in Germany (October 2026). The total number of companies in the “Building authority” industry in Germany is therefore at least 550. Most are located in Bavaria (166), Baden-Württemberg (103), Lower Saxony (50).

Key figures

577businesses in the database
0.7per 100,000 inhabitants
66%with own website

Companies by federal state

StateNumberShareper 100,000 inh.
Bavaria16629%1.2
Baden-Württemberg10318%0.9
Lower Saxony509%0.6
North Rhine-Westphalia387%0.2
Saxony346%0.8
Hesse346%0.5
Rhineland-Palatinate326%0.8
Thuringia244%1.1
Saxony-Anhalt214%1.0
Brandenburg214%0.8
Schleswig-Holstein193%0.6
Mecklenburg-Western Pomerania153%0.9
Saarland71%0.7
Berlin31%0.1
Hamburg20%0.1
Germany577100%0.7

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

Erfurt4
Munich4
Augsburg3
Berlin3
Nuremberg3
Flensburg2
Hamburg2
Ingolstadt2
Plauen2
Abstatt1
Aue1
Bayreuth1
Blankenburg (Harz)1
Bochum1
Bruchsal1

Digitalization

34% 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 550 companies in the “Building authority” industry in Germany (October 2026). The total number of companies in the “Building authority” industry in Germany is therefore at least 550. Most are located in Bavaria (166), Baden-Württemberg (103), Lower Saxony (50).

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

Erfurt (4), Munich (4), Augsburg (3), Berlin (3), Nuremberg (3).

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

66% have their own website, 55% an email address.

How current is this number?

It is recalculated daily from the current database. Last update: October 18, 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 550 companies in the “Building authority” industry in Germany (source: dieanalysten B2B database, October 2026, https://www.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 18, 2026.