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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPainting & PlasteringEcublens VdBlumax Sàrl
Blumax Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Blumax Sàrl is to provide services in the field of construction and renovation work, particularly in the areas of plastering, painting, bathroom renovation and cleaning. The company also offers specialized services, including the application of exclusive Italian products from the Rivedil brand.

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Products & services

Industry:Painting & Plastering
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Blumax Sàrl

4
Plastering & Painting
Plastering and painting works, interior and exterior painting, wallpaper, interior and exterior render, false ceilings, light and solid partitions, skimming and decorative mouldings.
Renovation & Insulation
Complete renovation of sites/projects, renovation of kitchens and bathrooms, laying of tiles, renovation of facades and perimeter insulation.
Re-enamelling
Re-enamelling of bathtubs, showers and washbasins, restoring them without complete replacement for a quick renovation of sanitary fixtures.
Cleaning
Cleaning of apartments, offices, villas and houses, end-of-site cleaning, move-in/move-out inspections and end-of-lease cleaning, window cleaning and pressure washing.
Trust & reputation

ranQ Trust Score of Blumax Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Blumax Sàrl scores 76.9 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.84.124%
  • 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.65.210%
  • 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.70.08%
Blumax Sàrl scores 65.0 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.58.012%
  • 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%
Blumax 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%
Blumax 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

Blumax Sàrl 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 12 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 12 reviews across all connected sources

Sources
GGoogle512
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Chemin des Esserts 1 B
1024 Ecublens Vd
Opening hours
Mon
07:30 - 20:00
Tue
07:30 - 20:00
Wed
07:30 - 20:00
Thu
07:30 - 20:00
Fri
07:30 - 20:00
Sat
08:00 - 19:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-316.272.250
Founded
2022 · 4 years
Last commercial register change
January 18, 2022
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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