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

About the company

The core activity of Primobau AG is the planning and execution of construction projects, particularly in the field of architecture, incorporating services such as consulting, project development, design, implementation and construction management.

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Service area

Offering

Products & services

Industry:Architect
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Primobau AG

✓ Offered6
Advisory services
Advisory services in all phases of real estate projects, with comprehensible and objective information, as well as support at every decision point.
Planning
Planning of projects by aligning objectives, building-law requirements and structural details; taking into account aesthetics, durability, construction costs and deadlines.
Construction management
Construction management with on-site presence and proactive leadership; coordination of numerous stakeholders and alignment of work on the construction site.
New-build
New-build projects for residential and commercial buildings, including housing estates, apartments, maintenance depots and age-appropriate living.
Renovation and conversion
Conversions and total conversions of properties, including variant studies, feasibility assessments and adaptations for apartments, commercial spaces, bakeries and event venues.
Renovation
Renovations of occupied properties, both inside and outside, including tenant-oriented planning, scheduling and coordination for inhabited buildings.
Trust & reputation

ranQ Trust Score of Primobau AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 96% · As of November 2026

Primobau AG scores 66.5 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.60.324%
  • 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.58.610%
  • 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%
Primobau AG scores 92.3 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.82.07%
Primobau 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%
Primobau AG scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Primobau AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.1 out of 5 stars from 9 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
4.1
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle4.19
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

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Location

Seestrasse 540
8038 Zurich

At a glance

Legal form
Corporation
UID
CHE-107.886.044
Founded
1977 · 49 years
Last commercial register change
June 5, 2025
Employees
21 to 50

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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