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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsMörschwilFischer Altbau AG
Fischer Altbau AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Fischer Altbau AG renovates and develops historic buildings by acquiring properties, defining economical use concepts and executing projects through a network of specialists. Services include artisanal work such as joinery and manual finishing, with a focus on preserving the original character, materials and traditional construction methods.

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Offering

Products & services

Industry:General ContractorsTimber Construction & Carpentry
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Fischer Altbau AG

✓ Offered3
Renovation and conversion of older buildings
Renovation, conversion, full renovation and partial renovation of older buildings, residential and commercial properties, as well as conversion and extension projects with careful interventions.
Development of existing buildings and project planning
Comprehensive project planning and development for older buildings, including an economic usage concept, modern living comfort, and coordination with the existing building structure.
Joinery and bespoke fabrication
Joinery with carefully produced bespoke items for older buildings, supplemented by craft work such as puttying, sanding and sawing.
Trust & reputation

ranQ Trust Score of Fischer Altbau AG

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Fischer Altbau AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Fischer Altbau AG scores 84.6 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.97.712%
  • 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.55.07%
Fischer Altbau AG scores 83.3 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).83.322%
Fischer Altbau AG scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

Knowledge

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Location

Bahnhofstrasse 48
9402 Mörschwil

At a glance

Legal form
Corporation
UID
CHE-293.004.558
Founded
2012 · 14 years
Last commercial register change
June 14, 2022
Employees
1 to 10
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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