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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesResearch instituteZurichxirrus GmbH
xirrus GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

xirrus GmbH develops custom software and web-based tools and provides computer simulations of complex systems. It also measures, documents and monitors light emissions and nighttime illumination.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Research institute
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xirrus GmbH

✓ Offered9
Light Emission Monitoring
Light emission monitoring for authorities, municipalities, cantons, nature parks and private stakeholders; assessment of light emissions, light measurements, night mapping, trend analyses, reports and recommendations for action.
Light Measurement and Darkness Measurement
Light and darkness measurements with a lux meter, luminance meter, spectrometer, Sky Quality Meter and Sky Brightness Photometer; recording illuminance, luminance, spectrum, correlated colour temperature, flicker and starry-sky quality.
Site Analysis of Light Emissions
Site analysis of light emissions using high-resolution night mapping, analysis of individual light sources, additional on-site measurements, standards review and a report as a basis for decision-making.
Computer Simulations
Computer simulations of complex systems, model validation, scenario analyses, forecasts, decision-making foundations and implementation of own models into runnable programs.
Simulation and Scientific Consulting
Contract research with modelling and simulation, molecular simulation, nano-imaging and visualisation, as well as implementation of simulations for complex structures and relationships.
Software Development and Programming
Software development, data management and data processing, web-based tools, automated data processes, as well as custom software solutions and replacement of Excel spreadsheets.
xirrus PMT
Multi-user and multi-role process management tool for recurring processes with task instructions, compliance support, deadline and progress tracking, and status information.
xirrus Qensure
Software product for quality documentation of organisations, processes and data; support for certification and streamlining together with specialised consultants.
Material Property Simulation (xirrus simulation matters)
Calculation of material properties of synthetic substances, mixtures and new materials from chemical composition before synthesis or production.
Trust & reputation

ranQ Trust Score of xirrus GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

xirrus GmbH 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%
xirrus GmbH scores 83.0 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.55.07%
xirrus GmbH 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%
xirrus GmbH scores 100.0 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: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

xirrus GmbH 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Knowledge

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Location

Buchzelgstrasse 36
8053 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-109.046.233
Founded
2001 · 25 years
Last commercial register change
February 18, 2011
Employees
1 to 10

Active in 1 of 26 cantons

  • ZHZurich
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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