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

About the company

The company ISS (International Service System) is a global provider of facility management services. The company's core activities include: Cleaning services, Technical services, Catering and food services, Support and assistance services, and Workplace services. The company offers these services to support businesses and organizations in the management and operation of their properties and facilities.

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ISS Facility Services AG

Industry:Facility Management & Cleaning
✓ Offered10
Integrated facility management
Integrated facility management that bundles technical, infrastructural and commercial services into an efficient operating model with fewer interfaces and clear governance.
Building services
Building services with maintenance, inspection, upkeep and technical expertise for safe, available and energy-efficient building systems.
Maintenance cleaning
Maintenance cleaning for hygienic, well-kept and user-friendly environments, tailored to the building, use, frequency and quality requirements.
Specialist cleaning
Specialist cleaning for complex cleaning tasks with trained professionals and suitable procedures, from façades to sensitive areas.
Caretaking and grounds services
Caretaking and grounds services for well-maintained buildings, functioning facilities and an environment that supports value retention, safety and user satisfaction.
Support services
Support services with operationally oriented additional services so that employees and organisations can focus on their core tasks.
Grounds and landscaping
Grounds and landscaping for year-round care of green and outdoor areas, as well as representative, safe and sustainably maintained sites.
Construction project management
Construction project management for new-build and renovation projects with end-to-end project control, cost monitoring and technical expertise across all project phases.
Energy management
Energy management to reduce energy, CO₂ and operating costs with transparent data, efficient measures and support for ESG and compliance goals.
Digital solutions
Digital solutions for transparent, more efficient and forward-looking building operations with smart building solutions, IoT, reporting and digital services.
Trust & reputation

ranQ Trust Score of ISS Facility Services 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 Facility Services 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 Facility Services AG scores 100.0 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.100.07%
ISS Facility Services 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 Facility Services AG scores 65.0 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.30.04%
Qualifications+0.00

ISS Facility Services 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

February 19, 2026Media
Stadt Dietikon kümmert sich neu selbst um Friedhof Guggenbühl
limmattalerzeitung.ch
May 6, 2024Media
ISS Facility Services AG übernimmt gammaRenax AG
organisator.ch
May 6, 2024Media
ISS Facility Services übernimmt Gamma Renax
immobilienbusiness.ch
September 9, 2021Media
Farner Branding macht aus ISS Kanal Services die Marke ITS
markt-kom.com
August 19, 2020Media
ISS Facility Services AG: «Das Virus hat vieles verändert»
baublatt.ch

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Location

Vulkanplatz 3
8048 Zurich

At a glance

Legal form
Corporation
UID
CHE-106.101.723
Founded
1995 · 31 years
Last commercial register change
June 26, 2026
Employees
More than 500
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.100.03%
    • Full methodology

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