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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,765 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichRAUMTAKT GmbH
RAUMTAKT GmbH Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core business of Raumtakt GmbH is the execution of core renovations, conversions and extensions of existing buildings, particularly in the Zurich region, with a focus on sustainability, design requirements and efficient cost and process management.

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Offering

Products & services

Industry:Architecture FirmsConstruction & Project Management
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4.4/5

RAUMTAKT GmbH

✓ Offered5
Architecture
Architecture for conversions, renovations, extensions and replacement new buildings; strategy development, feasibility studies, preliminary project, construction project, building permit submission, execution and detailed planning.
Interior Design
Interior design with needs analysis, strategy development, spatial program, material and mood board concept, implementation planning, lighting planning and furnishing concept.
Construction Management
Construction management with cost calculation, cost estimate, contract management, site administration, construction accounting, controlling and reporting.
Client Representation and Client Advisory
Client representation and advisory, construction consulting, real estate consulting, strategy development, expert reports, buyer support, building analyses, property checks, defect rectification and energy consulting.
Project Development and Repurposing
Project development for existing buildings with analysis, concept development and transformation; repurposing, complete renovations, extensions, additions and energy modernisation.
Trust & reputation

ranQ Trust Score of RAUMTAKT GmbH: 4.4 out of 5.0

Trust Score4.4/ 5.0

Very high

x

Data basis 100% · As of October 2026

RAUMTAKT GmbH scores 89.7 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.91.324%
  • 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.87.310%
  • 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.88.08%
RAUMTAKT GmbH scores 83.5 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.92.512%
  • 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.70.07%
RAUMTAKT GmbH scores 86.7 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).86.722%
RAUMTAKT GmbH scores 27.2 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 35.54.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

RAUMTAKT GmbH reaches a ranQ Trust Score of 4.4 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 30 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 30 reviews across all connected sources

Sources
GGoogle530
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

May 21, 2026Media
Umbau Head Office South Pole RAUMTAKT
world-architects.com

Knowledge

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Comparisons

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Location

Magnusstrasse 21
8004 Zurich
Opening hours
Mon
08:30 - 12:00, 13:00 - 17:00
Tue
08:30 - 12:00, 13:00 - 17:00
Wed
08:30 - 12:00, 13:00 - 17:00
Thu
08:30 - 12:00, 13:00 - 17:00
Fri
08:30 - 12:00, 13:00 - 17:00
Sat
08:30 - 12:00, 13:00 - 17:00
Sun
08:30 - 12:00, 13:00 - 17:00

At a glance

Legal form
Limited Liability Company
UID
CHE-438.278.451
Founded
2014 · 12 years
Last commercial register change
July 14, 2025
Employees
11 to 20
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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