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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryElectrical IndustryMönchaltorftesto AG
testo AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The company's core activity is the development, manufacture and marketing of measuring instruments and services in the field of calibration, test equipment management, qualification and validation, particularly for the healthcare, pharmaceutical, logistics, production and cleanroom industries. The company also offers customized sensors, leasing and consulting services.

AI-generated
Offering

Products & services

Industry:Electrical Industry
✓ Offered6
Professional measurement technology
Measuring instruments, probes and accessories for temperature, humidity, pressure, flow, flue gas, CO2/CO, light, sound, speed, pH and electrical measurements.
Calibration and validation
Calibration and GxP services for measuring instruments with accredited procedures, standards-compliant documentation and support for audit and quality requirements.
Customer service and repair
Maintenance and repair of measuring instruments, plus product and application advice and personal support by contact form, phone or in person.
Product registration and warranty services
Online product registration for measuring instruments with warranty extension, access to additional services and regular updates.
Custom probes
Individual probe solutions for specific measurement requirements, developed for precise results in demanding applications and processes.
Digital measurement app (Testo Smart App)
App for measurements and digital documentation with device connectivity and HACCP-compliant data capture and documentation.
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4.1/5

testo AG

Trust & reputation

ranQ Trust Score of testo 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.

testo 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%
testo AG scores 92.3 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.82.07%
testo AG scores 83.3 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).83.322%
testo AG 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

testo 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

Isenrietstrasse 32
8617 Mönchaltorf

At a glance

Legal form
Corporation
UID
CHE-108.463.924
Founded
1996 · 30 years
Last commercial register change
September 3, 2025
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

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