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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesElectrical Planning & InstallationBirsfeldenSalchli + Willi AG
Salchli + Willi AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Salchli + Willi AG is the planning, installation and maintenance of communication and network systems, including telephone systems, networks, internet connections, WLAN installations and cable television connections.

AI-generated
Offering

Products & services

Industry:Electrical Planning & Installation
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4.1/5

Salchli + Willi AG

✓ Offered4
Telephone systems
Planning, installation, configuration and expansion of telephone systems and communication terminal devices; computer-assisted telephony, headset telephony, answering machines, call queues, support and repairs.
VoIP telephone systems
VoIP and internet telephony for private customers and businesses; retrofitting existing ISDN or analogue systems, registration, activation, programming and support of the telephone connection.
Networks & Internet
Planning, installation and extension of networks; universal communications cabling via copper and fibre-optic cables, fault location, WAN networking, network administration and internet connections.
Service & Support
Consulting, planning and project engineering; installation, training and service work; installation of telephony, fax and internet connections as well as troubleshooting and remote maintenance.
Trust & reputation

ranQ Trust Score of Salchli + Willi AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 88% · As of October 2026

Salchli + Willi AG scores 65.0 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.75.024%
  • 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.40.910%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Salchli + Willi AG scores 87.1 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%
Salchli + Willi AG 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%
Salchli + Willi AG scores 2.9 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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Salchli + Willi AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 4 customer reviews. The data basis is 88%, 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
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

Hafenstrasse 4
4127 Birsfelden
Opening hours
Mon
07:45 - 17:00
Tue
07:45 - 17:00
Wed
07:45 - 17:00
Thu
07:45 - 17:00
Fri
07:45 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.784.159
Founded
1973 · 53 years
Last commercial register change
December 11, 2025
Employees
1 to 10
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.85.03%
    • Full methodology

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