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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningWinterthurPREMAX AG
PREMAX AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Premax AG is the provision of cleaning and janitorial services, including: housekeeping, facade cleaning, maintenance and building cleaning, area and construction cleaning, and special floor cleaning. The company offers these services in the Greater Winterthur, Zurich and Aargau areas, while its subsidiary Mondopulito in Bellinzona also provides cleaning services in Ticino.

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Offering

Products & services

Industry:Facility Management & Cleaning
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4.1/5

PREMAX AG

✓ Offered5
Caretaker services
Caretaker services for properties, including support and maintenance as part of customer-specific service packages.
Building cleaning
Maintenance and building cleaning for residential and commercial properties, tailored to customers’ needs.
Construction cleaning
Construction and final cleaning for construction sites and finished properties, including rough and final cleaning.
Window and façade cleaning
Window cleaning and façade cleaning for buildings, both indoors and outdoors.
Special floor cleaning
Specialized floor cleaning as an additional cleaning service for specific soiling or surfaces.
Trust & reputation

ranQ Trust Score of PREMAX AG: 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.

PREMAX AG 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.
x
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%
PREMAX AG scores 89.3 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.70.07%
PREMAX AG 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%
PREMAX AG scores 5.1 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 35.5.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

PREMAX AG 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

Sulzerallee 48
8404 Winterthur

At a glance

Legal form
Corporation
UID
CHE-110.509.062
Founded
2004 · 22 years
Last commercial register change
June 30, 2025
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.
100.0
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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