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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesManagement ConsultingLausanneORESYS (Suisse) SA
ORESYS (Suisse) SA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Oresys is a consulting firm specializing in the areas of architecture, organization, and transformation of companies. The company's core activity is consulting and expertise in the following areas: enterprise architecture, organization and processes, corporate transformation projects, data analysis and management, asset management, and digital transformation. The company supports its clients in optimizing their business processes, improving their efficiency, and increasing their profitability. It also offers specific services in the areas of finance, marketing, supply chain, and IT.

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Products & services

Industry:Management Consulting
✓ Offered12
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4.1/5

ORESYS (Suisse) SA

Transformation, Organisation & Information Systems
Consulting firm for transformation, organisation and information systems for groups and mid-sized enterprises, with pragmatic, tailor-made support in transformation projects.
Enterprise Architecture
Enterprise architecture, roadmap and master plan for the transformation of the information systems, functional and technical framing, shared foundations, mapping of the information systems and governance of assets.
Organisation & Processes
Organisation and processes, process diagnosis, definition of target organisations, mutualisation, outsourcing, shared service centres, operational excellence and automation.
Transformation Project Scoping
Project scoping, preparation of the Go project, drafting of requirements documentation, running calls for tenders, market exploration and securing the launch.
Project Leadership
Project leadership, governance, operational control, budgets, timelines, scope, coordination of stakeholders and integration of IT, organisation and people dimensions.
Change & Deployment
Change management and rollout, change strategy, tailored trainings, capability building, communication, support for impacted populations and cross-cutting measures.
Data Study & Roadmap
Data scoping study and roadmap, data strategy, architecture, organisation, data governance, deployment of data teams and business acculturation.
BI, Data Visualization, Analytics & Data Science
Agile BI projects, data visualisation, business analytics and data science, from scoping to deployment, including diagnosis, MVP, industrialisation and visualisation tools.
PPM / PFM / GPI
Advisory services for portfolio management of projects, strategic arbitration, Project and Portfolio Management, Strategic Portfolio Management and major infrastructure projects.
IT Transformation
Transformation of the IT function, operating model, reorganisation, agility, cloud, cybersecurity, digital workplace, IT roadmap and change management.
Human Resources
HR transformation, HR information systems, HR data, talent management, skills development, compensation, payroll, time management, QVTC and management support.
Marketing, Digital & Customer Experience
Customer relationship, omnichannel journeys, customer relationship tooling, offers and services, marketing data and optimisation of customer journeys.
Trust & reputation

ranQ Trust Score of ORESYS (Suisse) SA: 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.

ORESYS (Suisse) SA 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%
ORESYS (Suisse) SA scores 95.8 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.96.07%
ORESYS (Suisse) SA 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%
ORESYS (Suisse) SA scores 100.0 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 35.100.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ORESYS (Suisse) SA 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.

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Location

Rue Etraz 4
1003 Lausanne

At a glance

Legal form
Corporation
UID
CHE-115.861.454
Founded
2010 · 16 years
Last commercial register change
November 5, 2024
Employees
101 to 500
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.
100.0
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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