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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementGrünenSchaffer Immo AG
Schaffer Immo AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Schaffer Immo AG provides building services including heating, sanitary (plumbing) and thermal solar installations as well as comfort ventilation, utility pipelines and repair work; its services also cover building services planning and construction coordination.

AI-generated
Offering

Products & services

Industry:Property Management
✓ Offered8
Building services planning
Tendering, project and detailed design for sanitary, heating and comfort ventilation; on request, planning with Mega CAD for coordination.
Construction coordination
Organisation of bathroom conversions and heating refurbishments with scheduling, coordination with other trades, detailed planning; as general contractor or as coordinator.
Heating systems
New builds and conversions of heating systems for entire houses, including heat pumps, wood heating, district heating, oil and gas heating, and heat distribution.
Sanitary systems
New builds and conversions of sanitary systems for entire houses, bathroom and kitchen refurbishments, garden irrigation, water softening, UV disinfection and pressure boosting systems.
Thermal solar systems
Thermal solar systems with flat-plate collectors, vacuum tube collectors and swimming-pool collectors; for heating support or domestic hot water, on roof, façade or in the grounds.
Comfort ventilation
Comfort ventilation for new builds and conversions as well as extract air ducts for the kitchen and bathroom.
Service pipes / Water supply
Pressure water pipes made of cast iron and plastic as well as welding and laying pressure-rated, buried PE/PVC pipelines.
Repairs
Boiler descaling as well as heating and sanitary repairs, excluding oil-burner service.
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4.0/5

Schaffer Immo AG

Trust & reputation

ranQ Trust Score of Schaffer Immo AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Schaffer Immo AG scores 58.5 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.66.724%
  • 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.45.610%
  • 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.50.08%
Schaffer Immo AG scores 85.5 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.100.012%
  • 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.55.07%
Schaffer Immo AG scores 85.0 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).85.022%
Schaffer Immo AG scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schaffer Immo AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 out of 5 stars from 5 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
4.4
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle4.45
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Mühlehofweg 1
3455 Grünen
Opening hours
Mon
07:15 - 17:00
Tue
07:15 - 17:00
Wed
07:15 - 17:00
Thu
07:15 - 17:00
Fri
07:15 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-102.399.191
Founded
1954 · 72 years
Last commercial register change
April 28, 2021
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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