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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsDengesBTH Sàrl
BTH Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

BTH is an engineering firm specializing in the planning, implementation and execution of projects in the construction sector, particularly in the areas of heating, ventilation, air conditioning, sanitation, electricity and security (CVCSE). The core activities include conducting project studies, creating offers, implementing projects and executing energy transitions. The company offers its customers comprehensive services, from conception to completion of projects, with a focus on developing innovative, sustainable and environmentally friendly solutions.

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Offering

Products & services

Industry:Specialized Construction Installations
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4.1/5

BTH Sàrl

✓ Offered6
Electrical engineering
Electrical engineering for projects of any size, from design to implementation, with installation plans, principle diagrams and technical supervision.
HVAC and sanitary engineering
Heating, ventilation, air conditioning and sanitary systems for real estate projects, with tailored solutions, sizing of the installations and support from design to completion.
Project studies
Feasibility studies, planning ahead and advisory, cost analysis, 3D plans and principle diagrams to integrate the CVCSE installations into the project.
Tendering
Planning of installations, preparation of CVCSE tenders, comparative analysis of the bids received and BIM project management for coordination of the parties involved.
Construction supervision
Drafting the execution documents, site coordination, work follow-up, cost control and preparation of the revision dossier at the end of the construction site.
Energy transitions
Technical audit, work inspections, energy enhancement and expert assessment in the event of damage to improve energy performance and compliance of the installations.
Trust & reputation

ranQ Trust Score of BTH Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

BTH Sàrl 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.
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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%
BTH Sàrl scores 83.0 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
BTH Sàrl scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).83.322%
BTH Sàrl scores 6.3 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 35.6.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

BTH Sàrl 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 October 2026.

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

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Location

Route de la Pale 20
1026 Denges

At a glance

Legal form
Limited Liability Company
UID
CHE-108.326.718
Founded
1996 · 30 years
Last commercial register change
December 22, 2025
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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