ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningMelsKoller Dienstleistungen AG
Koller Dienstleistungen AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Koller Dienstleistungen AG is the holistic and cost-efficient management of properties, including: property maintenance, building cleaning, maintenance, and green space maintenance. The company offers its customers a comprehensive range of services to maintain and preserve their properties.

AI-generated
Offering

Products & services

Industry:Facility Management & Cleaning
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.3/5

Koller Dienstleistungen AG

✓ Offered4
Property caretaking
Care and maintenance of the property, waste disposal, window and louvre cleaning, minor jobs and repairs, checks and inspections, winter service.
Building cleaning
Hygiene and cleanliness for businesses and private households, routine cleaning, window and louvre cleaning, solar panel cleaning, waste disposal, winter service.
Maintenance
Improvement and value retention of the property, electrical engineering, energy optimisation, household appliances, heating technology, ventilation technology, sanitary technology, locking systems.
Landscape maintenance
Care and maintenance of the surroundings, waste disposal, stump and tree root milling, landscaping and area maintenance, slope maintenance, winter service.
Trust & reputation

ranQ Trust Score of Koller Dienstleistungen AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Koller Dienstleistungen AG scores 73.3 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.70.224%
  • 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.63.210%
  • 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.95.08%
Koller Dienstleistungen AG scores 87.8 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.89.612%
  • 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.82.07%
Koller Dienstleistungen AG 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%
Koller Dienstleistungen AG scores 31.4 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 35.31.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Koller Dienstleistungen AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 11 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
4.5
of 5

Aggregated from 11 reviews across all connected sources

Sources
GGoogle4.511
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Koller Dienstleistungen AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Koller Dienstleistungen AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Koller Dienstleistungen AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Koller Dienstleistungen AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Kirchstrasse 11
8887 Mels
Opening hours
Mon
08:00 - 12:00, 13:00 - 17:00
Tue
08:00 - 12:00, 13:00 - 17:00
Wed
08:00 - 12:00, 13:00 - 17:00
Thu
08:00 - 12:00, 13:00 - 17:00
Fri
08:00 - 12:00, 13:00 - 16:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-442.973.560
Founded
2015 · 11 years
Last commercial register change
September 30, 2026
Employees
21 to 50
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

    Similar companies

    GH
    GS Hygiene-Service GmbH
    St. Gallen
    TM
    T&K Management GmbH
    Mörschwil
    KR
    Kqira Reinigungen GmbH
    Kaltbrunn
    TS
    TOPHOUSE SEJDIU GMBH
    St. Gallen
    PP
    Picobello Putz - Balaban
    Lüchingen
    ND
    N. Domingues Das Neves Brandão Reinigung
    Uznach
    AH
    AD Hauswartung GmbH
    Rapperswil Sg
    HU
    Hauswart- und Gärtnerarbeiten "Evergreen", Inh. T. Mikle
    Eggersriet