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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZugBrandenberg + Müller Architekten ETH/SIA
Brandenberg + Müller Architekten ETH/SIA Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of Brandenberg & Müller Architekten ETH/SIA is the provision of architectural services, in particular the planning and design of buildings and spaces.

AI-generated
Offering

Products & services

Industry:Architecture Firms
✓ Offered7
New construction
New construction of residential and commercial buildings, with architectural planning and delivery of single-family, multi-family and special-purpose buildings.
Conversion / Renovation
Conversion, renovation and comprehensive refurbishment of existing buildings, including reorganisation of floor plans, preservation of the building fabric and replacement of building services.
Conversion of use
Conversion of existing buildings and spaces, in particular conversion of listed heritage facilities for new uses under heritage-preservation supervision.
Extension
Extensions and vertical additions to existing buildings, tailored to the existing structure, with new uses such as day care, ancillary rooms or additional storeys.
Urban planning / Study mandates
Urban planning tasks and study mandates for sites and building projects, from conceptual proposals to work within a competition context.
Interior fit-out
Interior fit-out for rooms and buildings, with architectural design of room units, surfaces, material selection and spatial relationships.
CAD Service / Building surveys
CAD service and building surveys as technical basis for planning, conversion and refurbishment of existing buildings.
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4.1/5

Brandenberg + Müller Architekten ETH/SIA

Trust & reputation

ranQ Trust Score of Brandenberg + Müller Architekten ETH/SIA: 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.

Brandenberg + Müller Architekten ETH/SIA 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%
Brandenberg + Müller Architekten ETH/SIA scores 84.8 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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.70.07%
Brandenberg + Müller Architekten ETH/SIA 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%
Brandenberg + Müller Architekten ETH/SIA scores 3.4 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 35.3.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Brandenberg + Müller Architekten ETH/SIA 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

Aegeristrasse 18
6300 Zug

At a glance

Legal form
General Partnership
UID
CHE-105.337.594
Founded
1999 · 27 years
Last commercial register change
July 25, 2014
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.79.06%
  • 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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