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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningVicosopranoBlu Service, Guanella Michael Barbara
Blu Service, Guanella Michael Barbara Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Blu Service is the provision of cleaning services in various areas, particularly: apartment and office cleaning, administration and cleaning of holiday homes, glass surface cleaning, and construction final cleaning. The company offers these services to various customer groups, including individuals, families, companies, and institutions in the hotel, school, and healthcare sectors.

AI-generated
Offering

Products & services

Industry:Facility Management & Cleaning
✓ Offered7
General cleaning in apartments and offices
Regular routine cleaning in apartments and offices, on request daily, weekly, every two weeks or monthly; including own equipment and products by arrangement.
Management and cleaning of holiday homes
Weekend cleanings according to the occupancy schedule, thorough end-of-season cleaning and, if required, caretaking and management of holiday homes and apartments.
Construction end-of-project cleaning
Final cleaning after construction and renovation work for apartments, public toilets, multi-family houses, office and business centres, schools, churches, care homes and technical facilities.
Cleaning glass surfaces and vertical walls
Cleaning of glass surfaces, solar installations and vertical walls, using special equipment up to around 8 metres high or, for greater heights, with a lift platform.
Laundry washing and ironing
Washing and ironing of laundry as an additional service alongside cleaning services.
Provision of staff for third parties
Provision of staff for third parties as part of additional services and on request.
Housekeeping in holiday homes, villas and accommodation businesses
Housekeeping in holiday homes, villas and accommodation businesses as an additional service, also discussable as an individual solution.
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4.1/5

Blu Service, Guanella Michael Barbara

Trust & reputation

ranQ Trust Score of Blu Service, Guanella Michael Barbara: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Blu Service, Guanella Michael Barbara has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Blu Service, Guanella Michael Barbara 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.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%
Blu Service, Guanella Michael Barbara scores 83.3 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).83.322%
Blu Service, Guanella Michael Barbara scores 12.9 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 35.12.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Blu Service, Guanella Michael Barbara reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Strada Cantonale 169
7603 Vicosoprano

At a glance

Legal form
Sole proprietorship
UID
CHE-114.482.249
Founded
2008 · 18 years
Last commercial register change
March 13, 2019
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.67.06%
  • 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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