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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureExhibition stand constructionZurichRaumbau AG
Raumbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Raumbau AG is a metalworking company that develops, plans and delivers bespoke projects. Its work includes traditional metal fabrication, architectural metalwork, retail interiors, exhibition construction and building systems.

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Service area

Offering

Products & services

Industry:Exhibition stand constructionInterior fit-out
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Raumbau AG

Metalwork
✓ Offered5
Custom Metalwork and Steelwork
Custom metal structures and metalworking, from development and planning through fabrication and installation, including stairs, railings, handrails and components in steel, brass or bronze.
Shopfitting and Retail Fixtures
Planning and delivery of shop interiors and fixtures such as clothing rails, perforated bag display walls and window displays; fit-outs can extend from the shell to a ready-to-use interior.
Exhibition Construction and Museum Installations
Planning and construction of exhibition spaces, interactive exhibits and museum installations, including illuminated displays, signage and technical elements for exhibitions.
Custom Metal Furniture and Built-Ins
Development and fabrication of project-specific metal furniture and built-ins, including worktables, shelving, wardrobes, mobile office units and lighting for shops, workplaces and public interiors.
Building Component Restoration and Modification
Reconstruction, repair and adaptation of existing building components, including railings and doors, with on-site work and modifications to meet building and fire-safety requirements.
Trust & reputation

ranQ Trust Score of Raumbau AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of November 2026

Raumbau AG scores 56.8 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.73.124%
  • 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.35.310%
  • 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.35.08%
Raumbau AG scores 92.3 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.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%
Raumbau AG scores 86.7 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).86.722%
Raumbau AG 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

Raumbau AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 3 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Geroldstrasse 11
8005 Zurich

At a glance

Legal form
Corporation
UID
CHE-109.088.154
Founded
2001 · 25 years
Last commercial register change
March 23, 2023
Employees
21 to 50

Active in 1 of 26 cantons · 1 municipality

  • ZHZurich
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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