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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureInterior ConstructionZurichRetech Swiss AG
Retech Swiss AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Retech Swiss AG is a specialist contractor for plastering and painting works, providing services such as drywall, external rendering, insulation and stucco work. The company also carries out mold and moisture remediation, decorative plaster techniques, renovation/complete refurbishment, and offers consulting, planning and expert assessments.

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Offering

Products & services

Industry:Interior ConstructionSpecialized Construction Installations
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Retech Swiss AG

✓ Offered10
Plastering work
General plastering work for interior and exterior rendering, drywall, and stucco; precise execution for surfaces, texture, and room design.
Drywall construction
Drywall construction with gypsum board walls, partition walls, and suspended ceilings for flexible interior layouts and ceiling systems.
Interior plaster
Interior plaster for walls and ceilings, smooth or structured, tailored to the room concept and customer requirements.
Exterior render
Exterior render for façades with weather-resistant and decorative surfaces that combine protection and appearance.
Insulation works
Insulation works for thermal insulation, reducing energy costs, and improving indoor climate.
Stucco work
Stucco work for design and restoration of stucco elements indoors and outdoors.
Mould and moisture remediation
Remediation of walls damaged by mould and moisture to restore indoor climate and prevent further damage.
Decorative techniques
Decorative rendering techniques such as trowelling/spackling techniques, marble effects, and special surface textures for individual room design.
Advice and planning
Advice and planning for types of plaster, stucco details, and building requirements, coordinated with the specific project.
Renovation of old buildings / conversion
Renovation of old buildings and complete conversions for older properties, with modern solutions and adaptation to individual ideas.
Trust & reputation

ranQ Trust Score of Retech Swiss AG: 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.

Retech Swiss 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.
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%
Retech Swiss AG scores 85.5 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%
Retech Swiss 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%
Retech Swiss AG scores 5.7 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 35.5.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Retech Swiss 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

Schaffhauserstrasse 550
8052 Zurich

At a glance

Legal form
Corporation
UID
CHE-106.729.749
Founded
1997 · 29 years
Last commercial register change
November 14, 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.
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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