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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryRorschacherbergOliver Hartmann OH.Center
Oliver Hartmann OH.Center Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Oliver Hartmann OH.Center develops software and system solutions for industrial and other applications. Its services include automation and PLC programming, connecting machines and operational data to ERP systems, embedded and web development, and AI integration and consulting.

AI-generated
Presence

Service area

Offering

Products & services

✓ Offered9
PLC Programming
Control systems for machines and plants to IEC 61131, from concept and programming through commissioning on site; with B&R, Beckhoff, CODESYS and WAGO.
Data Integration & ERP Integration
Connect machines, sensors, devices, databases and ERP or business systems, capture operational data at the source and transfer it structured to target systems.
Legacy Software Replacement
Replace 1990s-era inventory and industry software in a controlled way, with a software check, test migration before contract signing, browser-based successor solution and maintenance.
Retrofit & Legacy System Modernization
Unlock, document, extend or rebuild legacy systems in a controlled way; including migration to modern controllers, operator PCs, data integration and environment modernization.
Device & Embedded Software
Software for devices and embedded systems, from first prototype to series production; for industry, medical technology and wellness, with sensors and connectivity via USB, BLE, Wi‑Fi or Modbus.
Web App Development
Installable web apps and PWAs for dashboards, customer portals, inventory and order management, booking, checklists, time tracking and maintenance reports.
AI Automation
AI-powered assistants, document processing, email triage, data extraction from PDFs and images, plus reports and workflows with RAG and MCP integration.
System Optimization & Process Improvement
Analyse existing processes, remove bottlenecks and media breaks, and improve workflows in a targeted way; using suitable technology such as PLCs, web apps, data integration or AI.
Touchscreen & HMI Software
Multi-touch operating interfaces and HMI for devices and plants, up to SCADA integration; built with Qt, React or Electron, also running locally in kiosk or fullscreen mode.
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3.3/5

Oliver Hartmann OH.Center

Trust & reputation

ranQ Trust Score of Oliver Hartmann OH.Center: 3.3 out of 5.0

Trust Score3.3/ 5.0

Basic

x

Data basis 54% · As of November 2026

Oliver Hartmann OH.Center 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%
Oliver Hartmann OH.Center scores 35.6 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.0.012%
  • 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%
Oliver Hartmann OH.Center 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%
Oliver Hartmann OH.Center scores 1.4 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 35.1.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Oliver Hartmann OH.Center reaches a ranQ Trust Score of 3.3 out of 5.0 — rated «Basic». 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 November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

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Location

Seebleichestrasse 11
9404 Rorschacherberg

At a glance

Legal form
Sole proprietorship
UID
CHE-471.775.022
Founded
2026 · 0 years
Last commercial register change
April 22, 2026
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • SGRorschacherberg
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.
67.0
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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