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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryReal EstateProperty ManagementZurichGuyer Immobilien AG
Guyer Immobilien AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Guyer Immobilien AG provides building-technology services covering heating, cooling and sanitary systems, together with planning and customer service/maintenance.

AI-generated
Offering

Products & services

Industry:Property Management
✓ Offered4
Heating and cooling engineering
Heating, cooling and ventilation systems for new builds and refurbishments, including solar systems, heat pumps, district heating connections, oil and gas heating, plus 24-hour service.
Sanitary installations
Sanitary installations for new builds and conversions, including water, wastewater, gas and compressed-air systems, bathroom refurbishments, kitchen conversions, as well as pools and wellness facilities.
Service and maintenance
Repairs, maintenance, service and maintenance contracts, 24-hour on-call support, remote monitoring, water damage remediation, water quality checks and boiler servicing.
Building services planning
Planning and consulting for heating, cooling, sanitary and ventilation systems, with energy advice, energy concepts, expert reports, thermography and condition analyses.
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4.4/5

Guyer Immobilien AG

Trust & reputation

ranQ Trust Score of Guyer Immobilien AG: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

Guyer Immobilien AG scores 81.5 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.69.324%
  • 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.100.010%
  • 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.95.08%
Guyer Immobilien 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%
Guyer Immobilien 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%
Guyer Immobilien AG scores 51.4 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 35.51.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Guyer Immobilien AG reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.4 out of 5 stars from 58 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 58 reviews across all connected sources

Sources
GGoogle4.458
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Zürichbergstrasse 80
8044 Zurich
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.241.280
Founded
1973 · 53 years
Last commercial register change
September 1, 2023
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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