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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesEngelbergSchleiss AG, Sanitär Heizung Planung
Schleiss AG, Sanitär Heizung Planung Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Schleiss AG is the installation, renovation, maintenance and upkeep of building technology systems in the areas of sanitation and heating.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered5
Sanitary installations
Laying of water and waste-water pipes, installation of cold- and hot-water and drainage systems, installation of sanitary fixtures and fittings.
Heating system installations and replacement
Heat pumps, wood, pellet, solar and oil heating systems; installation, commissioning, refurbishment and replacement of heating systems in new builds and renovations.
Heating system renovations and planning
Site survey, renovation concept, quotations, cost overview, tender award, coordination and scheduling, supervision of the work and handover to the client.
Renovation, maintenance and repair of sanitary systems
Maintenance and repair work as well as renovations of sanitary systems, including professional drainage, cleaning and disposal of foul water and rainwater.
Building services and installation consulting
Advisory services for sanitary, heating and building-technology systems, and for suitable solutions for new builds and renovations.
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4.1/5

Schleiss AG, Sanitär Heizung Planung

Trust & reputation

ranQ Trust Score of Schleiss AG, Sanitär Heizung Planung: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Schleiss AG, Sanitär Heizung Planung scores 64.6 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.79.424%
  • 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.52.910%
  • 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%
Schleiss AG, Sanitär Heizung Planung 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%
Schleiss AG, Sanitär Heizung Planung 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%
Schleiss AG, Sanitär Heizung Planung scores 20.0 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 35.20.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schleiss AG, Sanitär Heizung Planung reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 7 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
5
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle57
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Wasserfallstrasse 72b
6390 Engelberg
Opening hours
Mon
07:00 - 12:00, 13:15 - 17:00
Tue
07:00 - 12:00, 13:15 - 17:00
Wed
07:00 - 12:00, 13:15 - 17:00
Thu
07:00 - 12:00, 13:15 - 17:00
Fri
07:00 - 12:00, 13:15 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.910.444
Founded
1973 · 53 years
Last commercial register change
September 12, 2013
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.100.06%
  • 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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