Independent service. Data from the Austrian company register.

ÖNACE 81: Services to buildings and landscape activities

Section: Administrative and support service activities. Assignment by Statistics Austria under ÖNACE 2025, not from the register.

Statistics Austria assigns 5,255 active companies in the register to ÖNACE division 81: Services to buildings and landscape activities (as of 5 Nov 2026).

1,124 of them have a company page on firmenbuchdaten.at. The shares below refer to these 1,124.

Most have their seat in: Vienna 37 %, Lower Austria 20 %, Upper Austria 11 %.

Most common legal forms: GmbH 94 %, KG 3 %, OG 1 %.

Places with the most companies: Wien (417), Graz (45), Linz (41), Salzburg (34), St. Pölten (17).

1,078 have filed annual accounts with a size class, 41 of them as medium-sized or large.

The largest class is 81.21-0 General cleaning of buildings with 1,834 companies.

Largest classes

  • 81.21-0 General cleaning of buildings: 1,834
  • 81.10-0 Combined facilities support activities: 1,810
  • 81.30-0 Landscape service activities: 866
  • 81.23-0 Other cleaning activities: 371
  • 81.22-9 Other building and industrial cleaning activities n.e.c.: 192

Services to buildings and landscape activities: companies, larger first

Datenquelle: Statistik Austria - data.statistik.gv.at (Statistics Austria), register number to ÖNACE assignment, CC BY 4.0, as of 5 Nov 2026. Source: Austrian company register (Firmenbuch), Republic of Austria, represented by the BMJ, open data under CC BY 4.0.