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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement ConsultingSteinachRema, Hans Dupper
Rema, Hans Dupper Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Rema, Hans Dupper provides sanitary and heating services, including bathroom planning and renovation, water treatment and boiler solutions, installation of heating systems (gas, oil, heat pumps) and ongoing maintenance and service work.

AI-generated
Offering

Products & services

Industry:Management Consulting
✓ Offered3
Sanitary installations
3D bathroom planning, bathroom renovation, new builds for single-family homes, multi-family homes and industry, property maintenance, renovations, water softening, water treatment, water heaters/boilers, rainwater harvesting, shower toilets, solar systems, central vacuum systems, service.
Heating installations
New builds, conversions and renovations for single-family homes, multi-family homes and industry, property maintenance, gas heating systems, oil heating systems, heat pumps, air-to-water heat pumps, comfort ventilation systems, service.
Service
Service number for all cases, phone availability, service around the clock.
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4.1/5

Rema, Hans Dupper

Trust & reputation

ranQ Trust Score of Rema, Hans Dupper: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Rema, Hans Dupper scores 69.0 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.67.124%
  • 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.95.08%
Rema, Hans Dupper scores 78.5 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%
Rema, Hans Dupper 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%
Rema, Hans Dupper scores 8.9 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 35.8.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Rema, Hans Dupper reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.4 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
4.4
of 5

Aggregated from 7 reviews across all connected sources

Sources
GGoogle4.47
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Hier entsteht die Karte
Hauptstrasse 46 a
9323 Steinach
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-112.216.984
Founded
2005 · 21 years
Last commercial register change
June 21, 2005
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.
67.0
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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