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

About the company

The core activity of Lopez Heizungen und Sanitär GmbH is the planning, installation, maintenance and repair of heating and plumbing systems, including solar systems, heat pumps, gas heating systems and boiler cleaning, for private households and companies in the Basel region and surrounding areas.

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Offering

Products & services

Industry:Plumbing & Building Services
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4.5/5

Lopez Heizungen und Sanitär GmbH

✓ Offered5
Heating systems
Heating installations, renovations and repairs for gas heating, oil heating, district heating, solar systems, heat pumps and radiators; incl. service and advice.
Plumbing
Plumbing work for bathroom conversions, new builds and renovations as well as repairs, pipe relining, boiler maintenance, pump replacement and clearing blocked drains.
Solar systems
Installation and maintenance of solar systems as part of heating and building services solutions; complements conventional heating work with renewable energy.
Heat pump heating systems
Consulting, installation and renovation of heat pump heating systems as a modern heating solution within the heating offering.
Heat pump boilers
Heat pump boilers as part of the plumbing and heating environment, complemented by boiler maintenance and technical building systems.
Trust & reputation

ranQ Trust Score of Lopez Heizungen und Sanitär GmbH: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Lopez Heizungen und Sanitär GmbH scores 96.6 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.95.824%
  • 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.100.010%
  • 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%
Lopez Heizungen und Sanitär GmbH scores 83.0 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%
Lopez Heizungen und Sanitär 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%
Lopez Heizungen und Sanitär GmbH scores 5.4 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 35.5.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lopez Heizungen und Sanitär GmbH reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 73 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 73 reviews across all connected sources

Sources
GGoogle573
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Binningerstrasse 129A
4123 Allschwil
Opening hours
Mon
07:30 - 17:00
Tue
07:30 - 17:00
Wed
07:30 - 17:00
Thu
07:30 - 17:00
Fri
07:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-115.415.209
Founded
2010 · 16 years
Last commercial register change
March 12, 2014
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.88.06%
  • 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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