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DirectoryConstruction & ArchitectureArchitectAarauEins zu Eins Architekten AG
Eins zu Eins Architekten AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Eins zu Eins Architekten AG is an architecture and planning practice working on new buildings, conversions and renovations of existing and heritage buildings. Its services include project development, feasibility studies, design and implementation planning, construction management, building consultancy and property assessments.

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Presence

Service area

Offering

Products & services

Industry:Architect
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Eins zu Eins Architekten AG

✓ Offered8
Architectural planning
Drafting and conception, development and execution planning, authorities clarifications, building cost estimates, design support, and support from the first idea through handover of keys.
Construction management
Construction management for new-build, conversion and renovation projects, with responsibility for execution and coordination of the work up to handover.
Construction consulting
Construction consulting for private clients, public administrations and institutions, including professional support, clarifications and assistance with planning and implementation.
Project development and assessments
Project development and assessments for construction projects, as a basis for further planning, use and implementation.
Use and feasibility studies
Use and feasibility studies to assess potential, possible forms of use and structural feasibility of projects.
Conversion and renovation
Conversion, renewal and renovation of residential houses, old town houses, community centres and existing buildings.
New construction
New construction of residential houses, two-family houses, residential complexes, multi-generational houses and work buildings.
Heritage conservation and restoration
Conversion and renovation of heritage properties, including churches, old town houses, barns, walls and railings.
Trust & reputation

ranQ Trust Score of Eins zu Eins Architekten AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of November 2026

Without public customer reviews the score stays capped.

Eins zu Eins Architekten AG 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%
Eins zu Eins Architekten AG scores 85.5 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.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.55.07%
Eins zu Eins Architekten AG 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%
Eins zu Eins Architekten AG scores 6.3 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 35.6.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Eins zu Eins Architekten AG 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 November 2026.

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

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Location

Laurenzenvorstadt 89
5000 Aarau

At a glance

Legal form
Corporation
UID
CHE-106.281.944
Founded
1996 · 30 years
Last commercial register change
July 13, 2015
Employees
1 to 10

Active in 1 of 26 cantons · 1 municipality

  • AGAarau
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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