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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding MaintenanceLausanneJC-CONSTRUCTIONS Sàrl
JC-CONSTRUCTIONS Sàrl Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of JC-Constructions is the provision of comprehensive services in the field of construction, including planning, design, construction, renovation, insulation, roofing, painting, tiling, electrical work, sanitary installations, parquet work and facade work. The company offers a "turnkey" solution, where it accompanies the customer through all phases of a construction project and ensures a smooth execution.

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Products & services

Industry:Building Maintenance
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JC-CONSTRUCTIONS Sàrl

✓ Offered12
Construction and Renovation
Construction of residential buildings, full project ownership, shell and finishing works; renovations of bathrooms, kitchens, extensions and work for new construction.
Perimeter Insulation
Thermal insulation of facades with EPS boards, mineral wool, rock wool or PIR; reinforcement, primer coat and finishing render to limit heat loss.
Roof Waterproofing
Liquid waterproofing for roofs and solutions for difficult-to-access areas; blue roofs for stormwater management and reuse of rainwater.
Roof Covering and Maintenance
Advice on roof structure and roofing materials, installation in compliance with standards, guarantee for waterproofing and insulation, moss removal and periodic maintenance.
Gates and Fencing
Rigid or flexible wire mesh, metal bar infill fencing, sports fencing, steel or aluminium gates, swing or sliding gates, pedestrian gates and fencing for grounds and gardens.
Plastering and Partitions
Smooth or decorative plaster finishes, installation of lining and distribution partition walls, ceilings with plasterboard, thermal and acoustic insulation, fire protection.
Interior and Exterior Painting
Interior painting for apartments, houses and business premises, as well as exterior painting of facades, roofs and shutters.
Tiling
Installation and renovation of tiling for bathrooms, kitchens, living areas and outdoor spaces, with finishes that imitate wood or in large formats.
General Electrical Work
Installation and fault finding for general electrical work, with subcontracting of electrical services as required by the site.
Plumbing and Heating
Maintenance, repair and fault finding for plumbing and heating installations; bathroom fit-outs, code-compliant installations and energy-efficient solutions.
Parquet Flooring
Renovation and repair of parquet flooring, sanding, vitrification, oiled, waxed or laminate parquet, with careful execution of the different steps.
Ceilings and False Ceilings
Suspended ceilings for the aesthetics of the room, concealing pipes and cables, separating spaces, and reinforcing sound and thermal insulation.
Trust & reputation

ranQ Trust Score of JC-CONSTRUCTIONS Sàrl

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

JC-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%
JC-CONSTRUCTIONS Sàrl scores 65.0 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.58.012%
  • 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%
JC-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%
JC-CONSTRUCTIONS Sàrl scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

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Location

Avenue du Grey 18
1004 Lausanne

At a glance

Legal form
Limited Liability Company
UID
CHE-378.251.334
Founded
2022 · 4 years
Last commercial register change
September 30, 2022
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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