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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIT & CommunicationIT Consulting & ServicesHeerbruggSieber IT Service GmbH
Sieber IT Service GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The Sieber IT Service GmbH company offers software solutions and services for small and medium-sized enterprises (SMEs), particularly in the areas of financial accounting, payroll accounting, and document management. The core activity includes the development, implementation, and maintenance of software solutions such as blue office, DocuWare, and other add-on tools, as well as the provision of services like process optimization, project management, and customer support.

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Offering

Products & services

Industry:IT Consulting & ServicesSoftware Development
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4.1/5

Sieber IT Service GmbH

✓ Offered6
ERP software for SMEs (blue office®)
ERP solution for SMEs with order processing, financial accounting, open-postings management, e-shop and POS cash register; available in the versions Auftrag light, standard and professional.
Payroll accounting software (Dialogik Lohn)
Payroll accounting for SMEs with payroll processing, electronic payment transactions, posting in blue office®, reports and interfaces to other accounting systems.
Mobile app solutions for blue office®
Mobile solutions to extend blue office® for Web, iOS, Android and Windows PCs; with blue office® go, time tracking, warehouse management and custom developments.
Document management system (DocuWare)
Document management with digital filing, automated workflows, invoicing and personnel administration, digital project folders as well as mobile access and integrations.
Additional tools for blue office®
Add-ons for blue office® such as Dashboard, Lists Add-In, time-tracking and QR-Zahlteil app, newsletter integration and a planning solution.
Custom software development and integrations
Customer-specific solutions, interfaces and software extensions for mobile devices and existing blue office® processes, from planning to implementation.
Trust & reputation

ranQ Trust Score of Sieber IT Service GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Sieber IT Service GmbH scores 65.8 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.72.124%
  • 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.40.910%
  • 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%
Sieber IT Service GmbH scores 86.7 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%
Sieber IT Service GmbH 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%
Sieber IT Service GmbH scores 22.9 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 35.22.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sieber IT Service GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 4.8 out of 5 stars from 4 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 4 reviews across all connected sources

Sources
GGoogle4.84
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Balgacherstrasse 202
9435 Heerbrugg
Opening hours
Mon
08:00 - 11:45, 13:30 - 17:00
Tue
08:00 - 11:45, 13:30 - 17:00
Wed
08:00 - 11:45, 13:30 - 17:00
Thu
08:00 - 11:45, 13:30 - 17:00
Fri
08:00 - 11:45, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-110.356.893
Founded
2003 · 23 years
Last commercial register change
April 11, 2023
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.
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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