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

About the company

PTA Schweiz GmbH provides IT consulting and services focused on the design and development of application systems as well as the digitalization and optimization of business processes. Its offerings include software development, business intelligence, CRM/ERP services, service & support and AI solutions such as intelligent document processing and machine learning.

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Offering

Products & services

Industry:IT Consulting & Services
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3.9/5

PTA Schweiz GmbH

Software Development
✓ Offered12
Artificial Intelligence
Artificial intelligence and digitisation with a roadmap to AI readiness, current-state assessment, prioritisation of use cases, governance, implementation and productive operation.
Software Development
Software development for custom application systems, covering client-server, low-code, mainframe and digital accessibility, as well as new development, further development and support.
IT Consulting
IT consulting for the design, digitisation and optimisation of business processes, including requirements engineering, strategy consulting, project management and organisational support.
Business Intelligence
Business intelligence for data analysis, data warehouse, reporting and evaluation of company data in different IT and business contexts.
Customer Relationship Management
Customer relationship management for sales processes, customer management, service processes, cloud CRM and consulting solutions with Microsoft Dynamics and Salesforce.
Enterprise Resource Planning
Enterprise resource planning for ERP consulting, evaluation, introduction, expansion, migration and transformation with Microsoft Dynamics 365 and SAP.
Process Management
Process management for analysis, modelling, optimisation and implementation of business processes in IT, service and specialist department projects.
Project Management
Project management for IT and digitisation projects, from planning and control through to implementation using agile, iterative and classical approaches.
Quality Assurance
Quality assurance for software quality, software testing, test management, test automation and tool selection in development and transformation projects.
Service and Support
Service and support for ongoing system operation, maintenance, troubleshooting and operational support for existing applications and platforms.
Software Evaluation
Software evaluation for market and solution assessments, selection of standard software and well-founded decision bases prior to introduction or transformation.
Artificial Intelligence (Spec-Driven Development)
Spec-Driven Development for AI-assisted software development with specification, implementation and quality assurance in structured development processes.
Trust & reputation

ranQ Trust Score of PTA Schweiz GmbH: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 88% · As of October 2026

PTA Schweiz GmbH scores 53.3 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.68.224%
  • 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.17.610%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
PTA Schweiz 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%
PTA Schweiz 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%
PTA Schweiz 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

PTA Schweiz GmbH reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Baslerstrasse 60
8048 Zurich
Opening hours
Mon
09:00 - 17:00
Tue
09:00 - 17:00
Wed
09:00 - 17:00
Thu
09:00 - 17:00
Fri
09:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-112.690.541
Founded
2005 · 21 years
Last commercial register change
February 4, 2026
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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