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Guides to company data, registers and B2B marketing in Austria

Guides to company data in Austria: what to check when buying, what § 174 TKG 2021 allows in marketing, what the Firmenbuch and GISA show, how ÖNACE works.

25 October 2026

B2B marketing in Austria: what § 174 TKG 2021 allows for email, phone and letters

Email, text message, call, fax, letter: what § 174 TKG 2021 requires when you contact businesses, the one exception and the fines the telecoms authority can impose.

Buying company addresses in Austria: what to check

Nine checks before you order: source, data status, contact fields, sample file, price per usable record – and why in Austria the intended use matters as much as the data.

Firmenbuch, GISA and the register of associations: what company data is public in Austria

What the companies register, the trade licence register and the register of associations show about a business, why only individual searches are intended and where contact details really are.

ÖNACE 2008: industry codes for target group lists in Austria

How the Austrian classification of economic activities is structured, how to use it to define a target group and what changes with ÖNACE 2025.