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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryFinance & InsuranceHolding CompaniesKerzersSchwab HSK Holding AG
Schwab HSK Holding AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Schwab HSK Holding AG provides consulting, planning and installation services for heating, sanitary and climate systems, water supply and solar installations, and supplies and installs household appliances. The company also performs maintenance and repair work and operates an on-call emergency service.

AI-generated
Offering

Products & services

Industry:Holding Companies
✓ Offered4
Heating
Consulting, planning and execution of heating systems; heating system calculators, heat pumps, solar thermal energy as well as other heat generators such as wood, district heating, oil and gas boilers.
Plumbing
Consulting, planning and execution of plumbing installations; bathroom renovations, new builds, barrier-free bathrooms, garden and rainwater systems, water treatment, service lines and commercial installations.
Service
Repair and maintenance work for plumbing and heating; descaling of water heaters, immediate measures in case of water damage, filter changes as well as technical inspections and maintenance.
Advisory, planning and execution
Advisory, planning and execution in the areas of heating, plumbing, air conditioning, water supply and solar.
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4.0/5

Schwab HSK Holding AG

Trust & reputation

ranQ Trust Score of Schwab HSK Holding AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Schwab HSK Holding AG scores 58.3 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.42.424%
  • 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.67.110%
  • 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%
Schwab HSK Holding 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%
Schwab HSK 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.
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%
Schwab HSK Holding AG scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schwab HSK Holding AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.5 out of 5 stars from 13 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
3.5
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle3.513
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Murtenstrasse 14
3210 Kerzers
Opening hours
Mon
07:30 - 11:45, 13:15 - 17:00
Tue
07:30 - 11:45, 13:15 - 17:00
Wed
07:30 - 11:45, 13:15 - 17:00
Thu
07:30 - 11:45, 13:15 - 17:00
Fri
07:30 - 11:45, 13:15 - 15:45
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-114.703.887
Founded
2009 · 17 years
Last commercial register change
June 14, 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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