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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsBaselselig erny Architekten AG
selig erny Architekten AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Selig Erny Architekten AG is the planning and realization of architectural projects, particularly in the area of renovations, new constructions and refurbishments of buildings, such as residential houses, kindergartens, office buildings and other real estate properties.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered5
Architectural planning
Architectural planning for residential buildings, public buildings and conversions; design, competitions, study mandates, test designs and structural implementation.
Conversion and renovation
Conversion, renovation and refurbishment of residential houses, town villas, barns, churches and existing buildings with annexes and extensions.
Housing construction
Residential buildings and housing developments, including single-family houses, multi-family houses, housing districts, cooperative housing and age-appropriate apartments.
Public and institutional construction
Planning for school buildings, kindergartens, municipal buildings, a media library and other public buildings, as well as structural renewals in existing facilities.
Heritage and church buildings
Conversion, renovation and renewal of churches, monastery churches and historic building fabric, taking existing buildings into account.
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3.9/5

selig erny Architekten AG

Trust & reputation

ranQ Trust Score of selig erny Architekten AG: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

selig erny Architekten AG scores 53.8 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.70.824%
  • 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.35.08%
selig erny Architekten 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%
selig erny Architekten AG scores 85.0 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).85.022%
selig erny Architekten AG scores 9.1 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 35.9.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

selig erny Architekten AG reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 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 October 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 2 reviews across all connected sources

Sources
GGoogle52
★TrustpilotSoon
PProvenExpertSoon

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

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Location

St. Alban-Vorstadt 68a
4052 Basel

At a glance

Legal form
Corporation
UID
CHE-106.291.960
Founded
1999 · 27 years
Last commercial register change
June 8, 2021
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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