ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryIT & CommunicationIT Infrastructure & CloudRöschenzo.s.i.s.a. GmbH
o.s.i.s.a. GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of o.s.i.s.a. GmbH is the provision of IT services, including: IT operations, software development, consulting, outsourcing, network technology, software packaging, security, web development, and support. The company thus offers comprehensive IT solutions for businesses, ranging from software development and implementation to maintenance and support of IT systems.

AI-generated
Offering

Products & services

Industry:IT Infrastructure & CloudSoftware Development
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
4.1/5

o.s.i.s.a. GmbH

✓ Offered4
IT operations
Automated installation of Windows client-server systems, maintenance and troubleshooting on site or via remote support, network migration, procurement of hardware and software, cloud migration and cloud services for email, data storage and data backup.
Software development
Development of custom software tailored to individual requirements.
IT consulting
IT consulting for planning, implementation and optimization of IT environments and systems engineering.
IT outsourcing
Outsourcing of IT tasks in the area of IT operations and systems engineering.
Trust & reputation

ranQ Trust Score of o.s.i.s.a. 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.

o.s.i.s.a. 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%
o.s.i.s.a. 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%
o.s.i.s.a. GmbH scores 83.3 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).83.322%
o.s.i.s.a. GmbH scores 11.1 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 35.11.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

o.s.i.s.a. 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

No knowledge articles yet

Once o.s.i.s.a. GmbH has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

o.s.i.s.a. GmbH in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank o.s.i.s.a. GmbH by reviews, experience and specialisations.

Is this your company?

Claim the company profile of o.s.i.s.a. GmbH to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Brombergstrasse 42
4244 Röschenz

At a glance

Legal form
Limited Liability Company
UID
CHE-104.990.030
Founded
1999 · 27 years
Last commercial register change
December 14, 2009
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

    Similar companies

    SG
    syspeople.com GmbH
    Ettingen
    IA
    IBITECH AG Ingenieurbüro für Informationstechnologie
    Münchenstein
    KI
    Kallysoft Informatik AG
    Allschwil
    AA
    Armacom AG
    Pratteln
    IS
    IT Services Kürsteiner GmbH
    Frenkendorf
    BA
    binary AG
    Laufen
    CS
    Champion Systems AG
    Münchenstein
    AC
    ARGE Condor GmbH
    Pfeffingen