Impressum

Information in accordance with §5 E-Commerce Act (ECG), §25 Media Act (MedienG) and §63 Trade Act (GewO), Austria.

Operator

Gunnar Sjúrðarson Knudsen
Engerthstraße 61, Tür 36
1200 Wien
Austria

Legal form: sole proprietorship (Einzelunternehmer) under Austrian law. PuffinERG is operated by the same business as PuffinVBT.

Trade licence and chamber membership

Trade (Gewerbeberechtigung): Dienstleistungen in der automatischen Datenverarbeitung und Informationstechnik (IT services, free trade / freies Gewerbe), registered via GISA (Gewerbeinformationssystem Austria). GISA-Zahl: 39951731. Trade authority (Gewerbebehörde): Magistrat der Stadt Wien. Member of the Wirtschaftskammer Österreich (WKO), Landeskammer Wien. Applicable trade law: Gewerbeordnung 1994 (GewO), www.ris.bka.gv.at.

VAT

The operator trades under the Austrian small-business exemption (Kleinunternehmerregelung, §6 Abs 1 Z 27 UStG). VAT identification number (UID): ATU83494425. PuffinERG is free of charge; nothing is sold through it.

Contact

Email: contact@puffinvbt.com

Purpose

PuffinERG is a free web application that reads a user's Concept2 Logbook, with their permission, and turns it into goals, group leaderboards and training trends for Concept2 RowErg, SkiErg and BikeErg. It is not affiliated with Concept2.

Liability for content and links

The content of this website has been compiled with care, but we cannot guarantee its accuracy, completeness or timeliness. As a service provider we are responsible for our own content under general law (§7 ECG); we are not obliged to monitor information transmitted or stored by others. Links to external websites are outside our influence, and their operators are responsible for their content.

Data protection

See our Privacy policy.

Applicable law and dispute resolution

Austrian law applies; consumers habitually resident in another EU/EEA member state keep the protection of mandatory consumer-protection provisions of that state. The European Commission's online dispute resolution platform is at ec.europa.eu/consumers/odr. We are not obliged and not willing to take part in dispute resolution proceedings before a consumer arbitration board.

Last updated: October 2026