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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil Engineering FirmsSchlierenGA Ingenieure GmbH
GA Ingenieure GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of GA Ingenieure GmbH is the provision of engineering and planning services in the field of civil and structural engineering, including building physics.

AI-generated
Offering

Products & services

Industry:Civil Engineering FirmsConstruction & Project Management
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GA Ingenieure GmbH

✓ Offered7
Building construction
Planning, structural engineering and CAD designs for general building construction; verifications for beams, columns, frame structures, plates and panels as well as CAD building models for preliminary dimensioning.
Civil engineering
Road construction, excavation retaining systems, groundwater management, foundations, ground improvement, slope and rock stability as well as planning services, project management and expert reports in civil engineering.
Building physics
Advisory, calculations and measurements for acoustics, thermal insulation and building physics in new construction, conversions and renovations; energy verifications and sound insulation verifications for the building submission.
Building permits
Preparation of building permit applications for small to medium-sized construction projects; project brochures, cost estimates, clarifications with authorities, submission of the building application, subsidy applications, GEAK applications and ventilation planning.
New builds
Detailed and execution design for new builds, detailed cost estimates, construction schedule, meetings with clients, neighbours and authorities, as well as project management and site supervision management.
Conversions and renovations
Detailed and execution design for conversions and renovations, detailed cost estimates, construction schedules, interventions in the load-bearing structure, propping, underpinning and securing measures during construction.
Energy performance verifications
Clarifications with authorities, building permit application, subsidy applications, GEAK applications, energy performance verifications according to SIA 380/1, ventilation planning, acoustic measurements as well as thermal and sound insulation verifications.
Trust & reputation

ranQ Trust Score of GA Ingenieure GmbH: 3.7 out of 5.0

Trust Score3.7/ 5.0

Solid

x

Data basis 96% · As of October 2026

GA Ingenieure GmbH scores 42.9 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.46.424%
  • 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.40.910%
  • 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%
GA Ingenieure GmbH scores 83.0 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%
GA Ingenieure GmbH 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%
GA Ingenieure GmbH scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

GA Ingenieure GmbH reaches a ranQ Trust Score of 3.7 out of 5.0 — rated «Solid». The rating draws, among other things, on 3.0 out of 5 stars from 4 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
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle34
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Brandstrasse 26
8952 Schlieren

At a glance

Legal form
Limited Liability Company
UID
CHE-114.095.059
Founded
2008 · 18 years
Last commercial register change
May 22, 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.
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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