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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,904 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitectZurichKonstantin Architektur AG
Konstantin Architektur AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Konstantin Architektur is the planning and realization of sustainable and ecological building projects.

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Presence

Service area

Offering

Products & services

Industry:ArchitectGeneral contractor
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4.3/5

Konstantin Architektur AG

✓ Offered5
Project planning
Project planning from preliminary design through the construction project and detailed design up to site management; support with coordination, planning, approvals and delivery of new-build and renovation projects.
Feasibility studies
Feasibility studies for plots of land and existing properties; clarification of development options, building regulations, easements, noise, protection of historic monuments, usable floor area, apartments and cost estimates.
Sustainability consulting
Sustainability consulting for existing properties and new-builds; investment and measures plans, life-cycle analysis, CO2 neutrality, certification of Swiss sustainability labels and funding programmes.
Real estate consulting
Real estate consulting for potential analysis of properties and plots of land; review of renovation, conversion, extension or new-build options and assessment of investments, returns and profitability.
Visualization
Visualization of new-build and renovation projects as a 3D model; presentation for sales, bank, authorities and internal planning, including volume, colour, materials and surrounding context.
Trust & reputation

ranQ Trust Score of Konstantin Architektur AG: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of November 2026

Konstantin Architektur AG scores 75.4 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.73.224%
  • 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.65.210%
  • 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.95.08%
Konstantin Architektur AG scores 84.8 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.70.07%
Konstantin Architektur AG 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%
Konstantin Architektur AG scores 34.3 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 35.34.34%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Konstantin Architektur AG reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.6 out of 5 stars from 12 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.6
of 5

Aggregated from 12 reviews across all connected sources

Sources
GGoogle4.612
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Limmattalstrasse 124
8049 Zurich
Opening hours
Mon
08:00 - 18:00
Tue
08:00 - 18:00
Wed
08:00 - 18:00
Thu
08:00 - 18:00
Fri
08:00 - 18:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-332.962.519
Founded
2015 · 11 years
Last commercial register change
August 6, 2026
Employees
11 to 20

Active in 1 of 26 cantons

  • ZHZurich
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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