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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryReal EstateFacility Management & CleaningZurichISS Schweiz AG
ISS Schweiz AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ISS Schweiz AG provides integrated facility services, including cleaning, technical services, food services, projects and workplace advisory. It serves sectors such as healthcare, aviation, banking, life sciences, manufacturing and technology, supporting facility operations, regulatory compliance and workplace optimisation.

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Offering

Products & services

Industry:Facility Management & Cleaning
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4.1/5

ISS Schweiz AG

✓ Offered10
Comprehensive Facility Management
Technical, infrastructural and commercial services combined into a centrally controlled model, individually, in combination or as an integrated operating model for building operations.
Building Technology
Maintenance, servicing and optimisation of technical systems for safe, efficient and low-disruption operation of buildings and infrastructure.
Maintenance Cleaning
Regular cleaning for hygienic, well-kept premises and for preserving the value of buildings, during ongoing operations and for different types of properties.
Specialised Cleaning
Demanding cleaning work on façades, glass surfaces, floors and sensitive areas using specialised procedures.
Building Caretaking
Operation, care and maintenance of buildings in everyday life so that facilities work reliably and value is secured in the long term.
Support Services
Internal services such as Mailroom, Scanning, archiving, Meeting Services and Workplace Support for a focused working day.
Grounds & Landscaping
Year-round care of green areas, paths and outdoor grounds for safe, welcoming and well-maintained environments.
Construction Project Management
Support for construction, conversion and renovation projects with technical expertise, coordination and a focus on costs, quality and schedules.
Energy Management
Analysis of energy consumption, identification of savings potential and implementation of measures to reduce costs, emissions and resource use.
Digital Solutions
Sensors, data analytics, automated processes and IoT-based applications for more transparent control of buildings, services and resources.
Trust & reputation

ranQ Trust Score of ISS Schweiz AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

ISS Schweiz 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%
ISS Schweiz 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%
ISS Schweiz 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%
ISS Schweiz AG scores 70.0 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 35.100.04%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.40.04%
Qualifications+0.00

ISS Schweiz 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 58%, 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.

Press

Media

October 28, 2025Media
ISS Schweiz 100% Back to Office – dort lieb- und leblos
insideparadeplatz.ch
May 6, 2024Media
ISS Facility Services AG übernimmt gammaRenax AG
organisator.ch
June 14, 2022Media
ISS Schweiz: Melanie Müller wird Leiterin Kommunikation und Marketing
persoenlich.com
March 8, 2022Media
ISS Schweiz hält den Umsatz stabil
immobilienbusiness.ch
August 8, 2017Media
ISS Schweiz stellt Head of Digital Transformation ein
netzwoche.ch

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Location

Vulkanplatz 3
8048 Zurich

At a glance

Legal form
Corporation
UID
CHE-101.301.143
Founded
2002 · 24 years
Last commercial register change
March 5, 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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