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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningLe Mont-Sur-LausanneBLANC SA
BLANC SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Blanc SA is the provision of surface cleaning and maintenance services, including the use of environmentally friendly products and the promotion of sustainable practices. The company offers personalized services to meet the specific needs of its customers.

AI-generated
Offering

Products & services

Industry:Facility Management & Cleaning
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4.3/5

BLANC SA

✓ Offered5
Regular maintenance cleaning and facility upkeep
Cleaning and facility upkeep for commercial premises, medico-social institutions and other sites; tailor-made services, regular maintenance, clean, healthy and functional spaces.
Specialised cleaning and sanitation
Specialised cleaning and sanitation of premises, with suitable equipment, on-demand or regular interventions, appropriate products and quality follow-up for complex environments.
Outdoor maintenance
Outdoor maintenance for private individuals, businesses and concierge services; lawn mowing, small jobs, cleaning of furniture, pool maintenance and enhancement of outdoor fittings.
Concierge service
Building concierge service: cleaning of common areas, waste-bin management, routine maintenance, follow-up on the inventory/condition report and small everyday interventions.
Regular home maintenance cleaning for private clients
Regular maintenance cleaning for private clients for apartments and houses; regular upkeep of surfaces, floors, bathrooms, kitchen and general tidying up of the home.
Trust & reputation

ranQ Trust Score of BLANC SA: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

BLANC SA scores 68.4 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.57.624%
  • 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.86.510%
  • 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.78.08%
BLANC SA scores 99.0 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.96.07%
BLANC SA scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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%
BLANC SA scores 48.6 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 35.48.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BLANC SA reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.1 out of 5 stars from 29 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
4.1
of 5

Aggregated from 29 reviews across all connected sources

Sources
GGoogle4.129
★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 Rionzi 54
1052 Le Mont-Sur-Lausanne
Opening hours
Mon
08:00 - 12:00, 13:00 - 16:30
Tue
08:00 - 12:00, 13:00 - 16:30
Wed
08:00 - 12:00, 13:00 - 16:30
Thu
08:00 - 12:00, 13:00 - 16:30
Fri
08:00 - 12:00, 13:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.762.425
Founded
1987 · 39 years
Last commercial register change
April 3, 2024
Employees
101 to 500
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.100.03%
    • Full methodology

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