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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringMartignyALRO Engineering SA
ALRO Engineering SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ALRO Engineering SA is an engineering firm providing industrial automation and electrical engineering services. It delivers project studies and validation documentation (GAMP/21CFR/ATEX/SIL), electrical and instrumentation engineering, PLC/DCS and HMI/SCADA software, and fieldbus/Ethernet communication solutions, and provides commissioning, testing and maintenance services. The website lists sectors including pharmaceuticals/biotechnology, chemical, food and medical device.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered6
Feasibility studies and concepts
Feasibility studies, automation and engineering concepts for validated industrial processes, with needs analysis and preparation of technical solutions.
Engineering hardware
Electrical engineering and design, electrical schematic CAD, instrumentation, selection and definition of equipment, calibration, and application of ATEX and SIL standards.
Engineering software - Automate
PLC programming for automation of validated industrial processes, with development and integration of control functions.
Engineering software - HMI
Development of human-machine interfaces for automation of validated industrial processes, with operating and control functions.
Engineering software - Communication
Development of communication systems for the automation of validated industrial processes, in support of installation integration.
Commissioning and maintenance
Test bench trials, commissioning, coordination and site supervision, line and function testing, maintenance plan, preventive maintenance and troubleshooting.
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4.4/5

ALRO Engineering SA

Trust & reputation

ranQ Trust Score of ALRO Engineering SA: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 96% · As of October 2026

ALRO Engineering SA scores 75.6 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.77.524%
  • 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.61.010%
  • 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.88.08%
ALRO Engineering SA scores 89.3 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.70.07%
ALRO Engineering SA 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%
ALRO Engineering SA scores 88.6 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 35.88.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ALRO Engineering SA reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.8 out of 5 stars from 10 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 10 reviews across all connected sources

Sources
GGoogle4.810
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Rue de l'Ancienne-Pointe 24
1920 Martigny
Opening hours
Mon
07:30 - 12:00, 13:30 - 17:00
Tue
07:30 - 12:00, 13:30 - 17:00
Wed
07:30 - 12:00, 13:30 - 17:00
Thu
07:30 - 12:00, 13:30 - 17:00
Fri
07:30 - 12:00, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-106.268.234
Founded
1988 · 38 years
Last commercial register change
September 10, 2024
Employees
11 to 20
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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