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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesOensingenSQ Haustechnik GmbH
SQ Haustechnik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

SQ Haustechnik GmbH is a building services company providing sanitary, heating and ventilation services including planning, installation, maintenance and repair. Services cover bathroom planning and renovations, installation and servicing of heating systems (oil, gas, wood and renewable technologies) and ventilation systems with heat recovery, cleaning and upkeep.

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Products & services

Industry:Plumbing & Building Services
✓ Offered
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4.1/5

SQ Haustechnik GmbH

3
Sanitary installations and bathroom solutions
Sanitary installations for single-family homes and industrial buildings, planning complete solutions, renovations and refurbishments, selection and installation of modern sanitary fixtures.
Heating consulting, installation and service
Advice for oil, gas and wood heating, selection of suitable heating systems, installation, maintenance and repair as well as solutions with renewable energies.
Ventilation systems and maintenance
Custom ventilation solutions for residential and workspaces, systems with heat recovery, checks for hygiene as well as cleaning and maintenance.
Trust & reputation

ranQ Trust Score of SQ Haustechnik GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

SQ Haustechnik GmbH scores 91.1 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.91.324%
  • 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.87.310%
  • 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%
SQ Haustechnik GmbH scores 50.8 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.25.012%
  • 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%
SQ Haustechnik GmbH 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%
SQ Haustechnik GmbH scores 2.6 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.2.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

SQ Haustechnik GmbH 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 30 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 30 reviews across all connected sources

Sources
GGoogle530
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Rainbüntenweg 6
4702 Oensingen
Opening hours
Mon
07:00 - 12:00, 13:00 - 18:00
Tue
07:00 - 12:00, 13:00 - 18:00
Wed
07:00 - 12:00, 13:00 - 18:00
Thu
07:00 - 12:00, 13:00 - 18:00
Fri
07:00 - 12:00, 13:00 - 18:00
Sat
07:00 - 12:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-334.205.599
Founded
2025 · 1 year
Last commercial register change
January 20, 2025
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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