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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,837 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringKlostersAndrea Michel GmbH
Andrea Michel GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Andrea Michel GmbH is the installation, renovation and conversion of heating and plumbing systems, including the planning and coordination of construction projects. The company specifically offers services in the field of heating systems, air heat pumps and sanitary installations, working closely with other craftsmen to provide comprehensive solutions for private and commercial customers, particularly in the hotel industry, in the cantons of Grisons and Zurich.

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Products & services

Industry:Technical Consulting & EngineeringPlumbing & Building Services
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3.9/5

Andrea Michel GmbH

✓ Offered5
Plumbing installations
Bathroom renovations, sanitary conversions, repairs and new construction of systems for apartments, hotels and restaurants; installation of WC, washbasin, bathtub, shower and shower partitions.
Heating systems
Installation, replacement, conversion and renovation of heating systems; work on oil heating systems and air-to-water heat pumps for single-family, multi-family and commercial buildings.
Plumbing service
24-hour emergency on-call for pipe bursts, blockages and water damage; drain cleaning, filter changes, boiler cleaning and descaling, as well as support with insurance claims.
Heating service
Maintenance, controls and service of heating systems; flushing underfloor heating, updates for older heat systems, regulation of the controls, topping up and venting, as well as ordering oil.
Property care
Inspection of building installations in holiday apartments, in particular heating, water and ventilation, for ongoing care and to preserve value.
Trust & reputation

ranQ Trust Score of Andrea Michel GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Andrea Michel GmbH scores 55.6 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.65.024%
  • 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.49.510%
  • 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.35.08%
Andrea Michel GmbH scores 83.0 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%
Andrea Michel GmbH scores 83.3 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).83.322%
Andrea Michel GmbH scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Andrea Michel GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 4.3 out of 5 stars from 6 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
4.3
of 5

Aggregated from 6 reviews across all connected sources

Sources
GGoogle4.36
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Monbielerstrasse 77
7250 Klosters
Opening hours
Mon
07:30 - 12:00, 13:30 - 18:00
Tue
07:30 - 12:00, 13:30 - 18:00
Wed
07:30 - 12:00, 13:30 - 18:00
Thu
07:30 - 12:00, 13:30 - 18:00
Fri
07:30 - 12:00, 13:30 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-101.840.842
Founded
2001 · 25 years
Last commercial register change
May 14, 2024
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.
88.0
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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