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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureGeneral ContractorsServionLéman Construction SA
Léman Construction SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Leman Construction SA is the provision of comprehensive services in the field of construction and renovation work, including: masonry, tiling, demolition, painting and plastering, small works, gardening and landscaping, sanitary and kitchen installations, electrical work, excavation, flooring and parquet. The company offers these services for various types of projects, including residential, commercial, public and infrastructure projects.

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Products & services

Industry:General Contractors
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Léman Construction SA

✓ Offered12
Construction and renovation
Construction of residential, commercial, public buildings and infrastructure; full renovation, civil engineering works, foundations, roofing, finishing work and project coordination.
Masonry work
Masonry work for new-build sites and renovations, carried out according to the project requirements and in compliance with deadlines.
Tiling
Installation and renovation of tiling for new or existing projects, with careful execution of surface finishes.
Electrical work
Electrical work, renovation of electrical systems, installation of charging points for cars, and mounting of solar panels.
Painting and plastering
Plastering, painting and insulation work for the interior fit-out and finishing of spaces.
Earthmoving
Custom earthmoving for site preparation and construction works, from excavation to levelling.
Floor coverings and parquet
Installation of solid, laminate or engineered parquet flooring, as well as floor coverings in vinyl, linoleum or carpeting.
Outdoor facilities and landscaping
Gardening, landscaping and outdoor facilities using suitable materials for the project and its environment.
Demolition
Demolition of structures and site elements, carried out precisely and quickly according to the project constraints.
Plumbing and kitchen installation
Sanitary installations and kitchen installation, including supply and installation of the required equipment.
Small repairs
Small everyday work for on-call interventions, finishing work and various repairs.
Staff placement
Placement of qualified staff for construction trades, including heavy goods vehicle drivers and machine operators.
Trust & reputation

ranQ Trust Score of Léman Construction SA: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Léman Construction SA scores 85.6 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
CriterionValueWeight
  • Review quality: The average rating across all connected sources, smoothed against the industry mean. So 5.0 stars from three reviews do not outrank 4.7 from three hundred.84.724%
  • Review volume: The number of reviews across all sources. The scale is logarithmic: the first reviews count the most, and the maximum is reached at 50 reviews.76.210%
  • Review recency: The age of the most recent review. Two-year-old reviews deliberately sit in the middle, because that is normal for Swiss SMEs. Only after three years without a new voice does the value drop markedly.100.08%
Léman Construction SA scores 78.3 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.83.012%
  • 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%
Léman Construction SA 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%
Léman Construction SA scores 1.1 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 35.1.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Léman Construction SA reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 19 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 19 reviews across all connected sources

Sources
GGoogle4.919
★TrustpilotSoon
PProvenExpertSoon

Further sources are added continuously and factored into the ranQ Rating.

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Location

Route Cantonale 8
1077 Servion
Opening hours
Mon
07:00 - 20:00
Tue
07:00 - 20:00
Wed
07:00 - 20:00
Thu
07:00 - 20:00
Fri
07:00 - 20:00
Sat
07:00 - 20:00
Sun
07:00 - 20:00

At a glance

Legal form
Corporation
UID
CHE-400.346.995
Founded
2017 · 9 years
Last commercial register change
August 5, 2024
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.
100.0
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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