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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryCourfaivreSébastien Jallon Sàrl
Sébastien Jallon Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Sébastien Jallon Sàrl is a craft company specialising in carpentry, roofing and timber construction. The firm’s services include metalwork (gutters and flashings), scaffolding rental, lifting/nacelle services, a technical design office and solar panel installation.

AI-generated
Offering

Products & services

Industry:Timber Construction & Carpentry
✓ Offered8
Timber construction
Timber roof trusses, timber frames and timber renovations for agricultural, industrial, commercial buildings, apartment blocks and family houses; custom design and project monitoring.
Roofing
Installation, repair and maintenance of roofs with tiles, slate, wooden shingles and metal roofs; roof insulation, watertight and airtight sealing, cleaning and diagnosis.
Sheet metal work
Fabrication and installation of gutters, downspouts, flashings, copings and metal edge trims for sealing, protection and finishing of roofs and façades.
Lifting and aerial platforms
Lifting solutions for moving heavy materials, with cranes, forklift trucks and specialized equipment for timber roof structures, wooden frames and prefabricated elements.
Scaffolding
Rental of scaffolding for construction, renovation and maintenance, including assembly, disassembly, upkeep, safety and compliance with applicable standards.
Lightning protection
Custom study, reinforcement of the foundation earth electrode, metal connection, installation of lightning protection systems and inspection of the installations to protect residential, commercial and industrial buildings.
Technical office
Design of timber structural frameworks with detailed calculations and custom plans, for safe, durable buildings adapted to project needs.
Solar panels
Installation of solar panels on roofs using aerial platforms and lifting vehicles, as well as cleaning the panels to preserve their performance.
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4.1/5

Sébastien Jallon Sàrl

Trust & reputation

ranQ Trust Score of Sébastien Jallon 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.

Sébastien Jallon 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%
Sébastien Jallon 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%
Sébastien Jallon Sàrl scores 83.3 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).83.322%
Sébastien Jallon Sàrl scores 0.3 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 35.0.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Sébastien Jallon 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

Sur Villeré 4
2853 Courfaivre

At a glance

Legal form
Limited Liability Company
UID
CHE-105.640.101
Founded
2000 · 26 years
Last commercial register change
May 30, 2023
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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