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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningOberwil BlALPHA Gebäudereinigung GmbH
ALPHA Gebäudereinigung GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of ALPHA Gebäudereinigung GmbH is the provision of professional cleaning services for various types of properties and facilities, including: residential cleaning, maintenance cleaning (for offices, shops and facilities), construction cleaning, window cleaning, moving cleaning, janitorial services, and specialized cleaning (including ozone treatment and mold remediation). The company thus offers a comprehensive range of cleaning services to ensure cleanliness and hygiene in various environments.

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Offering

Products & services

Industry:Facility Management & Cleaning
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4.3/5

ALPHA Gebäudereinigung GmbH

✓ Offered10
Maintenance cleaning
Maintenance cleaning for office, commercial, school buildings and practice premises, tailored individually to requirements.
Property caretaking
Property caretaking services for real estate and properties, including cleaning, maintenance of outdoor areas, technical inspections and winter service.
Construction cleaning
Cleaning during the construction phase and thorough cleaning after construction and renovation work for smooth, proper handover of properties.
Window cleaning
Window cleaning for private households and large glass façades, with streak-free shine and solutions for different window sizes.
Apartment cleaning
Regular or on-demand cleaning of living spaces using modern methods and environmentally friendly cleaning products.
Move-out cleaning
Final cleaning of properties during a move, including a handover acceptance guarantee for a smooth delivery.
Specialised cleaning
Specialised cleaning according to individual customer needs, planned and carried out for specific cleaning requirements.
Ozone treatment
Ozone treatment for odour neutralisation and air purification in residential and commercial premises.
Mould remediation
Mould remediation with cause analysis and lasting removal for a healthy and safe indoor climate.
Paint refreshing
Paint refreshing for building façades, doors, garage doors, letterboxes, shutters and metal surfaces.
Trust & reputation

ranQ Trust Score of ALPHA Gebäudereinigung GmbH: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

ALPHA Gebäudereinigung GmbH scores 84.0 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.87.024%
  • 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.73.510%
  • 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.88.08%
ALPHA Gebäudereinigung GmbH scores 83.5 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.92.512%
  • 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.70.07%
ALPHA Gebäudereinigung GmbH 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%
ALPHA Gebäudereinigung GmbH scores 5.4 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 35.5.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ALPHA Gebäudereinigung GmbH reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 17 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 17 reviews across all connected sources

Sources
GGoogle517
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hallenstrasse 14
4104 Oberwil Bl
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
07:30 - 14:00
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-472.619.991
Founded
2014 · 12 years
Last commercial register change
June 14, 2024
Employees
11 to 20
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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