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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringBaselGartenmann Engineering AG
Gartenmann Engineering AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Gartenmann Engineering AG is an engineering firm for acoustics and building physics that delivers specialist services for construction projects. Its offerings include sustainability and energy consulting, life-cycle/eco-balance assessments, pollutant analyses, fire-protection concepts, noise and room-acoustics consulting, and measurement and simulation services.

AI-generated
Offering

Products & services

Industry:Technical Consulting & Engineering
✓ Offered7
Building Physics and Building Simulation
Building physics, thermal and hygric building physics, building simulation, thermal simulations, airtightness, flow simulation and daylight studies for construction projects.
Acoustics and Noise Protection Consulting
Acoustics, room acoustics, auralisation, sound spaces, noise protection, noise protection consulting, noise calculations, impact sound insulation, emission reduction and noise remediation.
Energy Consulting and Energy Concepts
Energy concepts, energy consulting, conceptual energy consulting, GEAK, subsidy applications, energy legislation, Minergie-A and integrated support for construction projects.
Sustainability and Certification Consulting
Sustainability, sustainability concepts, life-cycle assessment, DGNB, SNBS, SNBS Gold and advisory support for sustainable construction projects.
Pollutant and Indoor Air Measurements
Pollutants / specialist construction supervision, pollutants, pollutant-free assessments, indoor air measurements, indoor air measurements according to VDI 3492, test measurements and building biology.
Damage Analysis and Expert Reports
Expert reports and assessments, condition analyses, building damage, mould and technical investigations for existing buildings and construction projects.
Fire Protection and Specialist Support
Fire protection, quality-assurance mandates, action planning, execution supervision, tendering and advisory support in complex construction projects.
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4.0/5

Gartenmann Engineering AG

Trust & reputation

ranQ Trust Score of Gartenmann Engineering AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Gartenmann Engineering AG scores 49.8 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.68.224%
  • 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.17.610%
  • 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.35.08%
Gartenmann Engineering AG scores 85.9 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.92.512%
  • 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.90.07%
Gartenmann Engineering 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%
Gartenmann Engineering AG scores 97.1 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 35.97.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gartenmann Engineering AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Comparisons

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Location

St.Jakobs-Str. 54
4052 Basel
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-329.623.376
Founded
2014 · 12 years
Last commercial register change
December 5, 2014
Employees
51 to 100
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.
76.0
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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