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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichSigrist Letras, Inhaberin Sigrist
Sigrist Letras, Inhaberin Sigrist Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Sigrist Letras, Inhaberin Sigrist is an architecture practice that plans buildings and residential developments for public, non-profit, and private clients. It also develops urban studies and planning work, as well as custom furniture and lighting.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered5
Architectural planning
Architectural projects for public, non-profit and private developers; residential buildings, settlements, structures, as well as urban development studies and planning.
Competition and study mandate planning
Competitions and study mandates for residential buildings, neighbourhood developments, municipal buildings and site developments; numerous rankings and successfully won procedures.
Renovations and change-of-use
Renovations, conversions and change-of-use of houses, residential buildings, and former hospital and existing structures.
Urban development studies and planning
Urban development studies, site developments and district planning for municipalities, housing cooperatives and private clients.
Interior fit-out and object design
Custom-made furniture and lighting, as well as object solutions as part of architectural projects.
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3.8/5

Sigrist Letras, Inhaberin Sigrist

Trust & reputation

ranQ Trust Score of Sigrist Letras, Inhaberin Sigrist: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Sigrist Letras, Inhaberin Sigrist scores 52.4 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.46.724%
  • 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.45.610%
  • 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.78.08%
Sigrist Letras, Inhaberin Sigrist scores 69.6 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.79.212%
  • 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%
Sigrist Letras, Inhaberin Sigrist scores 85.0 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Sigrist Letras, Inhaberin Sigrist scores 91.4 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 35.91.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sigrist Letras, Inhaberin Sigrist reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 3.2 out of 5 stars from 5 customer reviews. The data basis is 96%, 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
3.2
of 5

Aggregated from 5 reviews across all connected sources

Sources
GGoogle3.25
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Uetlibergstrasse 27
8045 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
Sole proprietorship
UID
CHE-416.074.609
Founded
2018 · 8 years
Last commercial register change
April 19, 2018
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.67.06%
  • 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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