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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionEbnat-KappelForrerbau AG
Forrerbau AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Forrerbau AG encompasses the provision of services in the construction sector, specifically: * Building construction (realization of buildings of all kinds and sizes for residential or commercial purposes) * Civil engineering (excavation, foundation work, etc.) * Road construction (construction and maintenance of roads) * Building services (planning and installation of heating solutions, sanitary and bathroom designs) * Renovation work * Demolition * Blasting * Environmental work The company thus offers a wide range of construction-related services, from planning to execution.

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Products & services

Industry:Building ConstructionBuilding Maintenance
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3.9/5

Forrerbau AG

Civil Engineering
Site Preparation
✓ Offered7
Building construction
Building construction of all types and sizes for living and working, including new builds, renovations, and refurbishment of single- and multi-family houses.
Civil engineering
Civil engineering works including excavation, securing construction pits, site services, utility lines, spring intakes, dismantling and blasting works.
Heating systems
Heating solutions from planning to installation, including heating system refurbishments, heat pumps, solar heating and combination with photovoltaics.
Plumbing installations
Plumbing work and bathroom renovations, including individual bathroom designs, new-build and conversion projects, as well as water softening systems.
Renovation and conversions
Renovations, conversions and refurbishment work on existing properties, from residential buildings to technical systems and bathrooms.
Road construction
Road construction works for different terrain and environmental conditions, from short to long sections as well as from steep to flat sections.
24/7 call-out service
24/7 call-out service for urgent deployments in building services and property maintenance.
Trust & reputation

ranQ Trust Score of Forrerbau AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 100% · As of October 2026

Forrerbau AG scores 59.9 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.68.224%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.17.610%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.88.08%
Forrerbau AG scores 87.2 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
x
CriterionValueWeight
  • Establishment: Years since founding or brand launch, logarithmic. The maximum is reached at 15 years.95.212%
  • Company size: The headcount band, researched by ranQ or stated by the company. It is scored in steps rather than by head count, because the data only provides bands.70.07%
Forrerbau AG scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
CriterionValueWeight
  • Verification: Official register entry (commercial register with UID or professional-body record, 55 points), confirmed domain (20 points) and confirmed ranQ profile (up to 25 points, depending on completeness).86.722%
Forrerbau AG scores 11.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
x
CriterionValueWeight
  • Website authority: Ahrefs' Domain Rating measures, on a scale of 0 to 100, how strongly a website is linked from other websites. For Swiss SMEs the range up to 40 is typical; the maximum is reached at 35.13.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Forrerbau AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

Press

Media

December 29, 2017Media
Positives bewirkt im Dorf
appenzellerzeitung.ch

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Location

Sonnenackerstrasse 4
9642 Ebnat-Kappel

At a glance

Legal form
Corporation
UID
CHE-385.091.596
Founded
2013 · 13 years
Last commercial register change
April 15, 2013
Employees
11 to 20
Legal form: Graded by liability and disclosure. The weight is kept small: a sole proprietorship is not a dubious company, it is just liable differently.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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