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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsLuganoStudio d'architettura Stefano Tajana Sagl
Studio d'architettura Stefano Tajana Sagl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Stefano Tajana Architetto is the provision of architectural services, including: planning and execution of construction projects (turnkey projects), creation of executable plans, construction management, billing and cost control, creation of work schedules, and conducting appraisals and surveys. The company thus offers comprehensive architectural services for private and protected buildings, such as single-family homes, villas, and other private construction projects.

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Products & services

Industry:Architecture Firms
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Studio d'architettura Stefano Tajana Sagl

5
Turnkey projects
Turnkey projects for private houses and villas, private buildings and protected buildings, with architectural development and project coordination.
Construction drawings
Construction drawings for architectural projects, with technical preparation of the documentation required for implementation.
Site supervision
Site supervision for architectural works, coordinating the execution and monitoring the construction site.
Expert assessments and surveys
Expert assessments and surveys for building interventions, with technical evaluations and measurements of the existing condition.
Work schedules
Work schedules for time and organisational planning of the project and construction phases.
Trust & reputation

ranQ Trust Score of Studio d'architettura Stefano Tajana Sagl

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

Studio d'architettura Stefano Tajana Sagl 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%
Studio d'architettura Stefano Tajana Sagl 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%
Studio d'architettura Stefano Tajana Sagl 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%
Studio d'architettura Stefano Tajana Sagl 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.

Knowledge

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Location

Via alla Campagna 2 a
6900 Lugano

At a glance

Legal form
Limited Liability Company
UID
CHE-384.779.000
Founded
2011 · 15 years
Last commercial register change
December 12, 2011
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.88.06%
  • 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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