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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumberVeyrierS + T Service & Technique SA
S + T Service & Technique SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

S + T Service & Technique SA designs, installs and maintains heating, ventilation, air-conditioning and sanitary systems, as well as digital building controls. It develops its own Digimat hardware and software and provides engineering, consulting, audits, optimisation and remote monitoring.

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Service area

Offering

Products & services

Industry:Plumber
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S + T Service & Technique SA

✓ Offered
8
Studies and realisations CVCSR
Studies, consulting, audit, expertise, installation, maintenance and troubleshooting for heating, ventilation, air-conditioning, sanitary installations and digital control.
Digital control GTB/MCR (Digimat)
Custom digital control systems, WEB/Cloud supervision for building portfolios, interfaces with third-party systems, and in-house hardware and software development.
Construction of CVCS installations
Engineering and installation of heating, ventilation, air-conditioning and sanitary systems, with in-house execution by teams of fitters and site managers.
Maintenance and troubleshooting of CVCSR installations
Scheduled maintenance, fault troubleshooting in case of breakdowns, and 24/7 on-call service for critical installations, with interventions by qualified technicians and refrigeration engineers.
Building WEB/Cloud supervision (RWS)
WEB building control supervision for multi-site, multi-user building portfolios, browser access, real-time monitoring, automatic synchronisation and centralised archiving.
DCF cloud intercommunication technology
Modular, open cloud architecture for connecting different building control systems, with API, data transport, synchronisation, monitoring and connected services.
Digimat MCR hardware
Station/CPU, I/O modules, IRC controllers, TouchPanel and CloudPrinter, designed in-house and manufactured and assembled in Switzerland.
Digimat software suite
Software for electrical schematics, interactive synoptics, programming and debugging of control loops, local supervision, IRC configuration, TouchPanel and DCF.
Trust & reputation

ranQ Trust Score of S + T Service & Technique SA: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of November 2026

S + T Service & Technique SA scores 76.0 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.79.124%
  • 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.67.110%
  • 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.78.08%
S + T Service & Technique SA scores 85.5 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%
S + T Service & Technique SA scores 86.7 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
S + T Service & Technique SA scores 48.6 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 35.48.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

S + T Service & Technique SA reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 13 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 13 reviews across all connected sources

Sources
GGoogle4.813
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Route du Pas-de-l'Echelle 67
1255 Veyrier
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Corporation
UID
CHE-103.682.011
Founded
1979 · 47 years
Last commercial register change
February 17, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • GEVeyrier
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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