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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMedical Technology IndustryBassersdorfRotronic AG
Rotronic AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Rotronic AG is the development, manufacture and marketing of measurement instruments and systems for measuring humidity and temperature, particularly in the fields of pharmacy, food, tobacco, medicine, ceramics, construction and industrial applications. The company also offers services such as project planning, validation, calibration and training, and develops software solutions for monitoring and controlling environmental conditions.

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Products & services

Industry:Medical Technology Industry
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4.2/5

Rotronic AG

✓ Offered5
Humidity measurement
Humidity, temperature, CO2, differential pressure, water activity and dew point measuring instruments; probes, measuring transducers, data loggers, handheld meters and accessories for industrial applications.
Rotronic Monitoring System (RMS)
Modular real-time environmental monitoring system consisting of hardware, server software, data loggers and database; for continuous monitoring, alarming and evaluation in regulated and industrial applications.
Calibration
ISO 17025 (SCS) calibrations, ISO 9001 factory calibrations, online booking, mobile calibration, HygroGen2 roadshow and humidity reference standards for humidity, temperature and dew point measuring instruments.
GxP Services
Mapping, storage qualification, transport qualification as well as validation and qualification for warehouses, production rooms, climatic chambers and temperature-sensitive products.
Measurement data software
HygroSoft, HW5 and other PC software for configuring, reading out, visualising and calibrating Rotronic measuring instruments; supplemented by the humidity calculator.
Trust & reputation

ranQ Trust Score of Rotronic AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

Rotronic AG scores 57.5 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.37.324%
  • 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.72.110%
  • 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.100.08%
Rotronic AG scores 95.8 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.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.96.07%
Rotronic AG scores 86.7 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).86.722%
Rotronic AG scores 75.0 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.50.04%
Qualifications+0.00

Rotronic AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 3.4 out of 5 stars from 16 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
3.4
of 5

Aggregated from 16 reviews across all connected sources

Sources
GGoogle3.416
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

March 1, 2015Media
Aufsteiger des Monats: Roland Silvestri
it-markt.ch
March 1, 2015Media
"Im Weisswarengeschäft stehen wir erst am Anfang"
it-markt.ch
December 11, 2014Media
Christian Zengaffinen verlässt Rotronic
inside-it.ch
January 31, 2014Media
Rotronic baut Geschäftsleitung aus
it-markt.ch
December 18, 2013Media
Taraba übernimmt Rotronics Disti-Geschäft
inside-it.ch

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Location

Grindelstrasse 6
8303 Bassersdorf
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 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-105.835.768
Founded
1965 · 61 years
Last commercial register change
September 14, 2026
Employees
101 to 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.70.03%
    • Full methodology

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