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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningThalwilAlba Clean, Inh. Gianluca Colona
Alba Clean, Inh. Gianluca Colona Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Alba Clean, Inh. Gianluca Colona provides cleaning services for private households and businesses, available as subscription plans or one‑off jobs. Services include maintenance cleaning, office and window cleaning, end‑of‑construction and move‑out cleaning, plus specialist tasks such as carpet and photovoltaic cleaning; cleaning materials, equipment and waste disposal are included and free site visits for quotes are offered.

AI-generated
Offering

Products & services

Industry:Facility Management & Cleaning
✓ Offered12
Maintenance cleaning
Maintenance cleaning for private households and businesses, with daily, weekly, every-14-days or monthly services; including cleaning materials, equipment and a disposal bag.
Office cleaning
Cleaning of offices and work environments for business customers, at an hourly rate or flat-rate offer, with free site visit and a no-obligation quotation.
Window cleaning
Window cleaning as a separate cleaning service on request, as part of maintenance and special cleanings.
Staircase cleaning
Cleaning of stairwells and stair areas for residential and commercial properties.
Final construction cleaning
Cleaning after construction work or renovations, for handing over rooms in a cleaned condition.
Move-out cleaning
Cleaning related to moves, for private and commercial properties.
Building cleaning
Cleaning of buildings and premises for private and business customers.
Commercial cleaning
Cleaning services for commercial properties and business premises, flexibly available as an hourly rate or flat-rate offer.
Practice cleaning
Cleaning of practices and other medical or service-oriented premises.
Carpet cleaning
Carpet cleaning as a special cleaning service on request.
Special cleaning
Special cleaning work on request, in addition to the standardized maintenance and property cleanings.
Disposal & recycling
Disposal and recycling of glass, cans, PET and small cartons; including disposal service and a free large disposal bag per job.
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4.1/5

Alba Clean, Inh. Gianluca Colona

Trust & reputation

ranQ Trust Score of Alba Clean, Inh. Gianluca Colona: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Alba Clean, Inh. Gianluca Colona scores 79.6 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.81.624%
  • 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.58.610%
  • 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.100.08%
Alba Clean, Inh. Gianluca Colona scores 65.7 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.70.212%
  • 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%
Alba Clean, Inh. Gianluca Colona 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%
Alba Clean, Inh. Gianluca Colona 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

Alba Clean, Inh. Gianluca Colona 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 9 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 9 reviews across all connected sources

Sources
GGoogle59
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Alsenstrasse 43
8800 Thalwil
Opening hours
Mon
08:30 - 13:00, 14:00 - 17:30
Tue
08:30 - 13:00, 14:00 - 17:30
Wed
08:30 - 13:00, 14:00 - 17:30
Thu
08:30 - 13:00, 14:00 - 17:30
Fri
08:30 - 13:00, 14:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-367.445.590
Founded
2020 · 6 years
Last commercial register change
October 1, 2020
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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