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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichMarkus Rupper AG
Markus Rupper AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Markus Rupper AG is the planning, development and realization of construction projects, particularly in the areas of residential construction, office buildings, commercial and industrial buildings, as well as renovation concepts. This also includes specialized services such as property valuations, project developments and expert services for courts.

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Products & services

Industry:Architecture FirmsBuilding Maintenance
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Markus Rupper AG

Real Estate Project Development
✓ Offered6
Architectural planning
Design, planning, cost management and construction management for residential buildings, office buildings as well as commercial and factory buildings; support from design through handover.
Residential construction
Demanding single-family homes and villas with indoor swimming pools, site developments with apartments, as well as conversion and extension works with customised layouts.
Office buildings, commercial and factory buildings
New builds for high requirements in terms of flexibility, building services and construction quality; development of design and planning up to handover as part of a design team.
Refurbishment concepts
Extension, refurbishment and energy retrofits of apartments, as well as renovation and restoration of historic buildings.
Real estate appraisals
Real estate appraisals for banks and insurers, as well as expert assessments for courts, damage appraisals and provisional evidence surveys.
Project development
Project development for SMEs as expert support from the idea to implementation in the construction and planning process.
Trust & reputation

ranQ Trust Score of Markus Rupper AG

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

Markus Rupper AG 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%
Markus Rupper AG scores 85.5 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%
Markus Rupper AG 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%
Markus Rupper AG scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Saumstrasse 55
8003 Zurich

At a glance

Legal form
Corporation
UID
CHE-105.882.265
Founded
2005 · 21 years
Last commercial register change
September 12, 2025
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.
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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