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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichTB ARCH GmbH
TB ARCH GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of TB ARCH GmbH is the provision of architectural services, including project development, competition management, design and execution planning.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered7
Architectural services for residential construction
Project planning, building project and building submissions, detailed and execution planning, detail and connection planning, feasibility studies and utilization analyses for residential construction projects.
Planning and development of building projects
Development, planning and development of demanding residential construction projects from project planning through building submission to execution planning.
Feasibility studies and utilization analyses
Feasibility studies, utilization analyses, plan review, quality control and second opinions for projects with complex planning requirements.
Execution planning and detailed design
Execution planning, production planning, partial planning as well as detail and connection planning for housing developments and other construction projects.
Permit planning
Building project and permit planning for residential buildings, direct mandates and other construction projects, including building submissions.
Project development for residential buildings
Project development, design and planning support for housing developments, villas and complex construction projects.
Competition planning
Design and preparation of architectural competitions, including for school buildings, housing developments and other public construction assignments.
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TB ARCH GmbH

Trust & reputation

ranQ Trust Score of TB ARCH GmbH

Trust Score

No score yet

x

A published score requires a data basis of at least 50% and data from at least two criteria groups other than identity. Missing evidence: Review quality, Review volume, Review recency, Media authority

Data basis 54% · As of October 2026

TB ARCH GmbH 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%
TB ARCH GmbH scores 78.5 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.89.612%
  • 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%
TB ARCH GmbH 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%
TB ARCH GmbH scores 0.0 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 35.0.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%

The data basis is 54%, below the threshold at which ranQ publishes a score. Evidence is missing for: Review quality, Review volume, Review recency, Media authority. As of October 2026.

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

Knowledge

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Location

Werdgartengasse 4
8004 Zurich
Opening hours
Mon
09:30 - 18:30
Tue
09:30 - 18:30
Wed
09:30 - 18:30
Thu
09:30 - 18:30
Fri
09:30 - 18:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-147.632.834
Founded
2015 · 11 years
Last commercial register change
January 8, 2015
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.
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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