ÖNACE 61: Telecommunication
Section: Telecommunication, computer programming, consulting, computing infrastructure and other information service activities. Assignment by Statistics Austria under ÖNACE 2025, not from the register.
Statistics Austria assigns 342 active companies in the register to ÖNACE division 61: Telecommunication (as of 5 Nov 2026).
144 of them have a company page on firmenbuchdaten.at. The shares below refer to these 144.
Most have their seat in: Vienna 43 %, Lower Austria 19 %, Upper Austria 13 %.
Most common legal forms: GmbH 89 %, KG 8 %, AG 1 %.
Places with the most companies: Wien (62), Linz (6), Graz (5), Guntramsdorf (3), Neumarkt am Wallersee (3).
142 have filed annual accounts with a size class, 18 of them as medium-sized or large.
The largest class is 61.10-0 Wired, wireless, and satellite telecommunication activities with 181 companies.
Largest classes
- 61.10-0 Wired, wireless, and satellite telecommunication activities: 181
- 61.90-0 Other telecommunication activities: 83
- 61.20-0 Telecommunication reselling activities and intermediation service activities for telecommunication: 78
Telecommunication: companies, larger first
- Hutchison Drei Austria GmbHFN 140132b · Wien · Large (G)
- Österreichische Rundfunksender GmbH & Co KGFN 256454p · Wien · Large (G)
- A1 Telekom Austria AktiengesellschaftFN 280571f · Wien · Large (G)
- Telefónica Global Solutions, S.L. UnipersonalFN 325435g · Madrid · Large (G)
- Ventocom GmbHFN 403085y · Wien · Large (G)
- HOT Telekom und Service GmbHFN 411421g · Wien · Large (G)
- A1 Towers Holding GmbHFN 543743y · Wien · Large (G)
- Türk Telekom International AT GmbHFN 99090x · Brunn am Gebirge · Large (G)
- LIWEST Kabelmedien GmbHFN 163697g · Linz · Large (G)
- EuroTeleSites AGFN 611727z · Wien · Large (G)
- Citycom Telekommunikation GmbHFN 165640p · Graz · Medium (M)
- ORS comm GmbH & Co KGFN 357120b · Wien · Medium (M)
- simpli services GmbH & Co KGFN 384789t · Wien · Medium (M)
- MTEL Austria GmbHFN 418137h · Wien · Medium (M)
- BBOÖ Breitband Oberösterreich GmbHFN 469215y · Linz · Medium (M)
- Optimus Tower Austria GmbHFN 500057d · Wien · Medium (M)
- A1 Digital International GmbH & Co KGFN 654840a · Wien · Medium (M)
- CANCOM Converged Services GmbHFN 480546k · Wien · Medium (M)
- ETAS High-Tech Systems GmbHFN 146948a · Wien · Small (K)
- Vodafone Enterprise Austria GmbHFN 185813f · Wien · Small (K)
- TCPoP Communication GmbHFN 325810h · Wien · Small (K)
- DIALOG telekom GmbH & Co KGFN 329616f · Linz · Small (K)
- Innosoft GmbHFN 462408m · St. Johann in Tirol · Small (K)
- Multikom Austria Telekom GmbHFN 106604x · Salzburg · Small (K)
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.