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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,888 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesOberwil B. BürenSchwab Oberwil Sanitär GmbH
Schwab Oberwil Sanitär GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Schwab Oberwil Sanitär GmbH is the installation of sanitary systems and appliances in new and renovation projects, particularly in the area of bathrooms, as well as the rental of toilet trailers and mobile bathrooms. Additionally, the company offers repair services and boiler descaling.

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Products & services

Industry:Plumbing & Building Services
✓ Offered5
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Schwab Oberwil Sanitär GmbH

Plumbing installations
Sanitary facilities, installation of fixtures in renovation and new builds, advice and planning for bathroom refurbishments and conversions.
Service and repair
Repair service for sanitary facilities, maintenance and upkeep of existing systems, so installations remain in perfect condition.
Descaling of boilers
Descaling of boilers and water heaters to maintain water quality, reduce energy consumption and extend the service life of the system.
Toilet trailer rental
Rental of toilet trailers for club events, weddings, company parties and construction sites, including delivery and collection.
Mobile bathroom rental
Rental of mobile bathrooms with shower, washbasin, WC unit and water heater for renovations and refurbishments, including setup and collection.
Trust & reputation

ranQ Trust Score of Schwab Oberwil Sanitär GmbH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

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Data basis 96% · As of October 2026

Schwab Oberwil Sanitär GmbH scores 62.1 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.75.024%
  • 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.40.910%
  • 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.50.08%
Schwab Oberwil Sanitär GmbH 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.89.612%
  • 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%
Schwab Oberwil 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%
Schwab Oberwil Sanitär GmbH scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Schwab Oberwil Sanitär GmbH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 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 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Im Dorf 7
3298 Oberwil B. Büren
Opening hours
Mon
07:00 - 12:00, 13:15 - 17:15
Tue
07:00 - 12:00, 13:15 - 17:15
Wed
07:00 - 12:00, 13:15 - 17:15
Thu
07:00 - 12:00, 13:15 - 17:15
Fri
07:00 - 12:00, 13:15 - 17:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-236.153.412
Founded
2015 · 11 years
Last commercial register change
March 12, 2018
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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