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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesLausanneFrangu Sàrl
Frangu Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Frangu Sàrl is the installation, renovation, transformation, and maintenance of sanitary facilities, including the areas of: * Troubleshooting (repair and maintenance) of sanitary facilities * Installation of sanitary facilities such as toilets, showers, bathtubs, and faucets * Renovation of bathrooms and sanitary facilities * Transformation of sanitary facilities, such as converting a bathtub into a shower * Maintenance and repair of sanitary facilities, including leak and clog repair. The company offers its services in the Lausanne region and surrounding areas and is available 24/7 for emergencies.

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Offering

Products & services

Industry:Plumbing & Building Services
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Frangu Sàrl

✓ Offered4
Sanitary emergency service
Quick troubleshooting for leaks, blockages and various breakdowns; intervention 24/24, emergency treatment, repairs of toilets, sinks, showers and clearing of drains.
Sanitary installation
Installation of taps, bathtubs, showers, washbasins, toilets, mirrors and sanitary units; fitting and maintenance of sanitary equipment for domestic or commercial needs.
Bathroom renovation
Complete bathroom renovation, pipework upgrading, installation of new sanitary fixtures and adaptation of existing installations.
Sanitary transformation
Transformation of a bathtub into a shower or walk-in shower, bathroom modernisation, modification of layouts and improvements for people with reduced mobility.
Trust & reputation

ranQ Trust Score of Frangu Sàrl: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of October 2026

Frangu Sàrl scores 91.7 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.91.724%
  • 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.88.910%
  • 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.95.08%
Frangu Sàrl scores 57.1 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.39.612%
  • 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%
Frangu Sàrl 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%
Frangu Sàrl scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Frangu Sàrl reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 32 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 32 reviews across all connected sources

Sources
GGoogle532
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Chemin du Bois-Gentil 27
1018 Lausanne
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
08:00 - 16:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-498.655.155
Founded
2024 · 2 years
Last commercial register change
March 15, 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.
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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