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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding CompaniesBernRiesen Holding AG
Riesen Holding AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Riesen Holding AG is a planning firm for sanitary systems, hospital media, sprinkler systems, building services and technical coordination. The company provides design and coordination services for building services, including water and medical gas supply for hospitals, sprinkler system planning and the use of BIM methodology.

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Products & services

Industry:Holding Companies
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Riesen Holding AG

✓ Offered5
Sanitary engineering
Planning and installation of the entire water cycle in buildings and areas; including sanitary planning for new builds, conversions and special solutions.
Hospital utilities
Supplying hospitals and laboratories with water, medical gases and systems; planning for specialized medical infrastructure.
Sprinkler systems
Planning and implementation of sprinkler concepts for efficient and safe fire suppression in buildings and facilities.
Building services
Planning of heating, ventilation, air-conditioning and sanitary (HVAC-S) systems and of the entire building services; coordinated technical planning for construction projects and conversions.
Specialist coordination
Coordination of building services and building technology as specialist planning, in accordance with Building Information Modelling (BIM) and with interdisciplinary teams.
Trust & reputation

ranQ Trust Score of Riesen Holding AG: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

Riesen Holding AG scores 50.9 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.50.024%
  • 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.17.610%
  • 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.95.08%
Riesen Holding AG scores 70.4 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.64.612%
  • 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%
Riesen Holding AG 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%
Riesen Holding AG scores 42.9 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 35.42.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Riesen Holding AG reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 1.0 out of 5 stars from 1 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
1
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle11
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Stauffacherstrasse 65
3014 Bern

At a glance

Legal form
Corporation
UID
CHE-483.712.910
Founded
2021 · 5 years
Last commercial register change
July 19, 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.
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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