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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitectZuozSira Zala Interior
Sira Zala Interior Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Sira Zala Interior prepares project, construction, execution and detail plans for buildings, and provides drafting support to architects and planners. It also offers interior design advice on furnishings, materials and colour schemes for renovations and new builds.

AI-generated
Presence

Service area

Offering

Products & services

Industry:ArchitectInterior architect
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3.7/5

Sira Zala Interior

✓ Offered7
Execution planning
Execution drawings and workshop drawings for renovations, conversions and new builds; individual plans or complete projects, with CAD system ArchiCAD.
Detail planning
Detail drawings for windows, staircases, wet areas, kitchens, furniture and joinery work, as well as other components, in new-build and renovation projects.
Building application
Building application plans for renovations, complete renovations and extensions, including window adaptations and other approval-relevant documents.
Project planning
Project planning for single-family houses, conversions and new builds, from the first planning stage through the further elaboration of the documents.
Interior Design
Interior design for conversions, renovations and new builds; furnishing, material selection and colour schemes as well as kitchen, bathroom and furnishing concepts.
Furnishing plan
Furnishing plans, also usable as rental plans, for conversions and the renovation of individual storeys.
Facade plans
Facade plans and building application documents for conversions, for example for window openings or new doors.
Trust & reputation

ranQ Trust Score of Sira Zala Interior: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of November 2026

Sira Zala Interior scores 54.3 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.66.724%
  • 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.27.910%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.50.08%
Sira Zala Interior scores 60.5 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.58.012%
  • 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%
Sira Zala Interior scores 86.7 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).86.722%
Sira Zala Interior scores 28.6 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 35.28.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sira Zala Interior reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 4.5 out of 5 stars from 2 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle4.52
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Stradun 22
7524 Zuoz
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-495.065.595
Founded
2022 · 4 years
Last commercial register change
February 6, 2023
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.
67.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Active in 1 of 26 cantons · 1 municipality

    • GRZuoz

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