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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsLiddesJF CONCEPT CONSTRUCTIONS Sàrl
JF CONCEPT CONSTRUCTIONS Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of JF Concept Constructions is the planning, design and realization of construction projects, particularly in the field of timber construction. The company offers comprehensive services, including: architectural and engineering services, static and dimensioning calculations, planning and design of construction projects, project management and construction management, and expertise and consulting in the field of timber construction. The company works closely with architects, construction companies, investors and public institutions to develop and implement individual solutions for construction projects.

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Products & services

Industry:General Contractors
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4.1/5

JF CONCEPT CONSTRUCTIONS Sàrl

✓ Offered9
Wood construction design office
Wood construction design and architectural planning office, with structural calculations, sizing, execution plans, tender documents and project management.
Wood construction expertise and consulting
Expertise of total or partial works contracts, expert advice in timber construction, review and sign-off of calculation notes, feasibility study.
Project planning and management
Project design, planning, cost studies and site management, in coordination with architects, engineers, developers and public authorities.
Structural analysis and structural sizing
Structural calculations and dimensioning of building elements, dimensioning of connections according to SIA standards and building physics requirements.
Execution and detail plans
Execution and detail plans according to SIA standards for timber projects, and technical coordination of the works.
Tender documents
Creation of tender documents for construction projects, including preparation of the files required for competitive bidding.
Feasibility study
Feasibility study for timber constructions, with prior technical analysis of the project’s possibilities and constraints.
Renovation and strengthening of buildings
Renovations, straightening and strengthening of barns, raccards and old houses, with support in the design and execution.
Design and construction of timber buildings
Design and construction of villas, apartment buildings, chalets, industrial halls and timber structures, from preliminary design to execution.
Trust & reputation

ranQ Trust Score of JF CONCEPT CONSTRUCTIONS 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.

JF CONCEPT CONSTRUCTIONS 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%
JF CONCEPT CONSTRUCTIONS Sàrl scores 77.2 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.86.512%
  • 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.55.07%
JF CONCEPT CONSTRUCTIONS 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%
JF CONCEPT CONSTRUCTIONS Sàrl scores 14.3 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 35.14.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

JF CONCEPT CONSTRUCTIONS 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 Lantzettaz 43
1945 Liddes

At a glance

Legal form
Limited Liability Company
UID
CHE-149.262.470
Founded
2016 · 10 years
Last commercial register change
July 4, 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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