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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsTrélexSous ton toit Sàrl
Sous ton toit Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Sous Ton Toit Sàrl encompasses the areas of architecture, construction, renovation, and the creation of special rooms (clean rooms). Specifically, the company offers the following services: Architecture: planning and design of buildings and spaces; Construction: construction of new buildings, including single-family homes, villas, and other properties; Renovation: renovation, restoration, and modernization of existing buildings; Special rooms (clean rooms): creation of specialized rooms with high demands on cleanliness and technology; Energy concepts: development of energy-efficient solutions for buildings; and Assistance for builders: consulting and support for construction projects.

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Products & services

Industry:Architecture Firms
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Sous ton toit Sàrl

✓ Offered5
Building design
Design and realization of buildings, from the preliminary project to the final account, with permitting procedures, tenders, preparation for execution and handover of the object.
Renovations and conversions
Renovation of buildings and transformation of interior or exterior spaces, with design, permits if required, tenders, preparation for execution and handover of the object.
Energy concept
Energy study of a building, thermal improvement, analysis of orientation, solar gains and heating, with proposals for insulation and renewable energies.
Cleanroom construction
Planning and construction of cleanrooms for industrial environments, microelectronics, pharmaceuticals and research laboratories, according to strict standards for temperature, humidity, dust levels and pressure.
Support for the project owner
Project monitoring for the project owner, support for site decisions, dissemination of information, preparation of reports and acceptance of the completed work.
Trust & reputation

ranQ Trust Score of Sous ton toit Sàrl: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Sous ton toit 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.
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%
Sous ton toit Sàrl 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%
Sous ton toit Sàrl 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%
Sous ton toit Sàrl scores 1.7 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 35.1.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sous ton toit 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.

Knowledge

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Location

Route de Coinsins 1 J
1270 Trélex
Opening hours
Mon
08:30 - 17:30
Tue
08:30 - 17:30
Wed
08:30 - 17:30
Thu
08:30 - 17:30
Fri
08:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-187.331.379
Founded
2011 · 15 years
Last commercial register change
July 13, 2026
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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