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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringBadenMartin Oppliger dipl. Architekt ETH SIA GmbH
Martin Oppliger dipl. Architekt ETH SIA GmbH Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Martin Oppliger dipl. Architekt ETH SIA GmbH is an architecture firm that designs and delivers residential projects for private and institutional clients. The firm provides consulting, project design, project management, construction management and delivery, and emphasizes clear geometric architecture, careful technical detailing and ecologically sensible investments within an optimized cost framework.

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Products & services

Industry:Technical Consulting & Engineering
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4.1/5

Martin Oppliger dipl. Architekt ETH SIA GmbH

4
Architectural planning
Advisory, design development and delivery of building projects; preliminary studies, rough analyses, feasibility studies, site development concepts and cost estimates for residential construction and other building projects.
Construction management and site supervision
Overall management, design development, implementation and site supervision from concept to key handover; coordinated communication between clients, designers and contractors.
Residential construction
Planning and implementation of residential buildings for private and institutional clients; detached single-family homes, multi-family buildings and residential developments.
Conversions and renovations
Conversions, renovations and interior fit-outs of residential and commercial buildings; condition analyses, planning and implementation for existing properties.
Trust & reputation

ranQ Trust Score of Martin Oppliger dipl. Architekt ETH SIA GmbH: 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.

Martin Oppliger dipl. Architekt ETH SIA 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.
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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%
Martin Oppliger dipl. Architekt ETH SIA GmbH scores 80.9 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.95.212%
  • 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%
Martin Oppliger dipl. Architekt ETH SIA GmbH 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%
Martin Oppliger dipl. Architekt ETH SIA GmbH scores 0.9 out of 100 points in the Visibility area of the ranQ Trust Score. This area carries 8% of the weighting.
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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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Martin Oppliger dipl. Architekt ETH SIA GmbH 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.

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Location

Bruggerstrasse 37
5400 Baden
Opening hours
Mon
24h
Tue
24h
Wed
24h
Thu
24h
Fri
24h
Sat
24h
Sun
24h

At a glance

Legal form
Limited Liability Company
UID
CHE-266.595.364
Founded
2013 · 13 years
Last commercial register change
December 11, 2013
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.88.06%
  • 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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