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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsGaisWirnsperger Generalunternehmung AG
Wirnsperger Generalunternehmung AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Wirnsperger Generalunternehmung AG provides general contracting services including project planning and construction management for new-builds and renovations. The company also offers property sales and rentals, property management and facility services.

AI-generated
Offering

Products & services

Industry:General Contractors
✓ Offered5
Planning & construction of new builds and conversions
Planning and construction of new builds and conversions; professional and individual consulting, execution according to the client’s ideas, and collaboration with certified subcontractors.
Property management
Property management for residential and commercial properties; management and support of existing rental properties, and contact for tenants as well as floor owners via the portal.
Rental properties
Rental properties with an up-to-date overview of available apartments; search order for preferred properties via the section for rental applicants.
Properties for sale
Properties for sale with projects and available real estate in the sales area; references and the sale of building land are assigned to the for-sale area.
Facade renovation
Facade renovation on existing properties; documented in the references as a renovation project at Kempttalstrasse 38.
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3.4/5

Wirnsperger Generalunternehmung AG

Trust & reputation

ranQ Trust Score of Wirnsperger Generalunternehmung AG: 3.4 out of 5.0

Trust Score3.4/ 5.0

Solid

x

Data basis 96% · As of October 2026

Wirnsperger Generalunternehmung AG scores 32.3 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.0.024%
  • 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.65.210%
  • 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%
Wirnsperger Generalunternehmung AG scores 69.1 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.58.012%
  • 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.82.07%
Wirnsperger Generalunternehmung AG scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).85.022%
Wirnsperger Generalunternehmung AG scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Wirnsperger Generalunternehmung AG reaches a ranQ Trust Score of 3.4 out of 5.0 — rated «Solid». The rating draws, among other things, on 1.9 out of 5 stars from 12 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
1.9
of 5

Aggregated from 12 reviews across all connected sources

Sources
GGoogle1.912
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Langgasse 23
9056 Gais
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-171.389.918
Founded
2022 · 4 years
Last commercial register change
October 10, 2022
Employees
21 to 50
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.76.06%
  • 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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