# Koller Tiefbau

> Swiss commercial-register record from Swiss Graph (graph.swiss), sourced
> from the Swiss Official Gazette of Commerce (SHAB/SOGC).
> Canonical profile: https://graph.swiss/companies/koller-tiefbau/2499014

## Registry facts

- UID: CHE-228.572.385
- Status: active
- Legal form: Sole proprietorship
- Registered: 2026-03-12
- Address: Rütistrasse 59 9050 Appenzell
- Location: Appenzell
- Industry (NOGA): 435000, Specialised construction activities in civil engineering

## Purpose

Tiefbau, Strassenbau und Rückbau mit allen dazugehörigen Arbeiten und Aufgaben.

## Registered officers

- Andreas Koller — owner — individual signing authority
- Alexandra Koller-Koster — individual signing authority

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Machine-readable variant of https://graph.swiss/companies/koller-tiefbau/2499014: registry facts only; the HTML
profile adds the corporate network, publications and live enrichment.
Site overview for agents: https://graph.swiss/llms.txt