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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTesting and inspection bodySt. MoritzKuster + Partner AG
Kuster + Partner AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Kuster + Partner AG is an engineering consultancy specialising in building physics, acoustics and energy. Its services include thermal and moisture protection, noise control, fire protection, building simulations, acoustic testing and life-cycle assessments.

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Service area

Offering

Products & services

Industry:Testing and inspection bodyCivil engineer
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Kuster + Partner AG

Energy consulting
✓ Offered8
Acoustics
Room acoustics, building acoustics and noise protection; concepts, forecasts, verifications, measurements and consulting on sound systems and acoustic simulations.
Building physics
Thermal and moisture protection, mould analyses, airtightness, thermal room and building simulations, measurements, verifications and renovation concepts.
Energy
Energy concepts, system optimisation, energy performance verifications, Minergie standards, funding applications and consulting on the use of renewable energy.
Fire protection
Fire protection concepts, planning, coordination and quality assurance; advice starting from the tender stage, documentation, liaison with authorities and integrated tests.
Building climate & simulations
Holistic building climate, digital simulations and BIM; solar exposure, daylight, thermal, flow and acoustic analyses for buildings and sites.
Sound testing centre
EU-accredited measurements and certifications for components, systems and custom solutions; acoustic, airtightness and resistance tests according to standards.
Expertise
Technical due diligence, second opinion, project support and client advisory, expert reports, as well as training and knowledge transfer.
Life cycle assessment
Life cycle assessments for all standards and labels, decarbonisation strategies, condition analyses as well as consulting on circular economy, indoor climate and daylight.
Trust & reputation

ranQ Trust Score of Kuster + Partner AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Kuster + Partner AG has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
x
CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Kuster + Partner AG scores 80.4 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%
Kuster + Partner AG scores 86.7 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).86.722%
Kuster + Partner AG scores 85.7 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 35.85.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Kuster + Partner AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, so the score is backed by part of the criteria. As of November 2026.

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

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Location

Via Surpunt 50c
7500 St. Moritz
Opening hours
Mon
08:00 - 17:30
Tue
08:00 - 17:30
Wed
08:00 - 17:30
Thu
08:00 - 17:30
Fri
08:00 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Branch
UID
CHE-463.065.243
Founded
1991 · 35 years
Last commercial register change
May 26, 2025
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • GRSt. Moritz
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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