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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsEttingenA. Lachat AG, Architekturbüro
A. Lachat AG, Architekturbüro Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of A. Lachat AG is the provision of architectural services, particularly in the field of residential and commercial construction, including design, planning, implementation and construction management tasks.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered7
Architectural services
Design, concept, realisation and site management tasks in residential and commercial construction as well as for public buildings and in agriculture; planning, execution and handover to the client.
Residential construction
Residential and housing development, multi-family homes, single-family homes, extensions of existing homes, as well as alterations and renovations in the residential sector.
Commercial and service buildings
Service buildings, office buildings with apartments, tenant fit-outs, as well as project-based planning and realisation tasks for commercial uses.
Public buildings
Planning and realisation of public buildings, including school construction and other public construction projects.
Age-appropriate construction
Planning of age-appropriate buildings and living concepts with a focus on user-oriented architecture for older people.
Alterations and renovations
Alterations, renovations, refurbishments and change of use of residential, commercial and public buildings.
Agricultural buildings
Planning and realisation of agricultural buildings, including storage halls and extensions of agricultural buildings.
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4.0/5

A. Lachat AG, Architekturbüro

Trust & reputation

ranQ Trust Score of A. Lachat AG, Architekturbüro: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

A. Lachat AG, Architekturbüro scores 58.4 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.61.524%
  • 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%
A. Lachat AG, Architekturbüro 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%
A. Lachat AG, Architekturbüro 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%
A. Lachat AG, Architekturbüro 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%
Qualifications+0.00

A. Lachat AG, Architekturbüro reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.0 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
4
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle43
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Kernerstrasse 9
4107 Ettingen

At a glance

Legal form
Corporation
UID
CHE-103.447.214
Founded
1986 · 40 years
Last commercial register change
December 13, 2017
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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