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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPainting & PlasteringInwilLeu & Partner Bau AG
Leu & Partner Bau AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Leu & Partner Bau AG is a construction company offering plastering, façade and renovation works, building insulation, concrete repairs and painting and plastering services. The company also provides specialist services including specialty plasters, colour and material design, material and construction expertise, and visualization, and delivers comprehensive building solutions.

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Products & services

Industry:Painting & Plastering
✓ Offered7
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Leu & Partner Bau AG

Painting and plastering work
Painting work, base and finishing renders, smooth and textured renders, functional renders, material renders, Stucco Veneziano and stucatures, as well as work on interior and exterior walls.
Facade renders and restorations
Renovation, restoration and replacement of facade renders, mineral renders, consolidation of existing renders, as well as work in accordance with heritage conservation guidelines and WTA.
Building insulation
Thermal insulation with composite facades, polystyrene, glass and stone wool, topcoat surfaces, graffiti protection, as well as interior insulation for listed buildings.
Concrete repairs
Cleaning, restoration, reprofiling and hydrophobization of concrete surfaces and structures, including concrete finishing work and special coatings.
Specialty renders
Specialty renders for interior and exterior areas, functional renders, material renders, Stucco Veneziano and stucatures, as well as other textured wall surfaces.
Colour and material design
Colour and material concepts for architecture, indoor and outdoor spaces, renovations, change of use and new builds, including sample selection, presentation and tendering.
Material and building expert reports
Analyses by building experts, on-site assessments, evaluation of building damage, building services, construction and renovation backlog, as well as review of construction contracts.
Trust & reputation

ranQ Trust Score of Leu & Partner Bau AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Leu & Partner Bau AG 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.
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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%
Leu & Partner Bau AG scores 93.9 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.82.07%
Leu & Partner Bau AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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%
Leu & Partner Bau AG scores 7.1 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 35.7.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Leu & Partner Bau AG 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

Industriestrasse 3
6034 Inwil

At a glance

Legal form
Corporation
UID
CHE-107.460.283
Founded
1993 · 33 years
Last commercial register change
November 27, 2025
Employees
21 to 50
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.85.03%
    • Full methodology

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