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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsColognyAETC Sàrl
AETC Sàrl Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of AETC is architecture and urban planning, including the areas of: territorial strategy, local project development and planning, construction and renovation, competitions and tenders, as well as citizen participation and communication. The company thus provides services in the fields of architecture, urban planning, project development and management.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered6
Architecture and urban planning
Architecture and urban planning office for public projects, schools, hospitals, stations, districts and feasibility studies, with a collaborative and integrated approach.
Territorial strategy
Territorial strategies, master plans, localised neighbourhood plans, guiding images, climate mapping and land strategies for municipalities and public institutions.
Local project and development
Local development projects, revitalisation of public spaces, interchange hubs, tram termini, green corridors and neighbourhoods, at the scale of the site and the district.
Construction and renovation
Construction and renovation architecture for stations, schools, hospitals, craft buildings, houses and apartments, including compliance upgrades and transformations.
Architecture competitions
Participation in architecture and urban planning competitions for schools, hospitals, residential districts, public spaces and railway facilities.
Participation and communication
Participatory workshops, charters, teaching materials, development guides, information brochures, participatory building sites and consultation processes.
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4.1/5

AETC Sàrl

Trust & reputation

ranQ Trust Score of AETC Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

AETC Sàrl scores 65.0 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.73.124%
  • 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.35.310%
  • 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%
AETC Sàrl scores 89.7 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.82.07%
AETC Sàrl 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%
AETC Sàrl 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

AETC Sàrl reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Chemin de la Mairie 6
1223 Cologny

At a glance

Legal form
Limited Liability Company
UID
CHE-114.257.505
Founded
2008 · 18 years
Last commercial register change
October 18, 2022
Employees
21 to 50
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.
88.0
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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