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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationIT Consulting & ServicesLangnau Am AlbisGSC GmbH
GSC GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

GSC GmbH designs and implements IT projects, delivers telephony and unified-communication (UC) solutions integrated into customers' IT infrastructures, and provides IT specialists for short- and mid-term assignments. The company works with platforms such as Swyx, Innovaphone and Wildix.

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Products & services

Industry:IT Consulting & ServicesIT Infrastructure & Cloud
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4.1/5

GSC GmbH

Telecommunications
✓ Offered5
Network support
Design and implementation of end-to-end solutions for intra- and internetworking, including physical network, workstation and server systems, back-office applications, as well as firewalls, IDS, VPN and virus protection.
IP telephony and VoIP telephone systems (Swyx)
IP telephony with Swyx PBX for Voice over IP and VoIP telephone systems; support with the installation of the Swyx VoIP telephone system.
IP telephony and VoIP telephone systems (Innovaphone)
IP telephony with Innovaphone PBX for Voice over IP and VoIP telephone systems; installation and programming of the telephone system including answering machine.
IP telephony and VoIP telephone systems (Wildix)
IP telephony with Wildix PBX for Voice over IP and VoIP telephone systems; cross-platform solution for Windows, OSx, Linux, Android, iOS and Windows Mobile.
Staff leasing
Staff leasing for the IT sector to cover short- to medium-term needs for IT specialists with suitable employees.
Trust & reputation

ranQ Trust Score of GSC GmbH: 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.

GSC GmbH 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%
GSC GmbH scores 83.0 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%
GSC GmbH scores 83.3 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).83.322%
GSC GmbH scores 5.1 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 35.5.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GSC GmbH 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.

Knowledge

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Location

Spinnereistrasse 12
8135 Langnau Am Albis

At a glance

Legal form
Limited Liability Company
UID
CHE-109.528.265
Founded
2002 · 24 years
Last commercial register change
November 18, 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.
88.0
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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