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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichARGE atelier ww Caretta Weidmann GmbH
ARGE atelier ww Caretta Weidmann GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

ARGE atelier ww Caretta Weidmann GmbH is a service firm providing project development, project and construction management, and general planning. Offerings include overall-contract and tender handling, renovations and conversions, construction-economics consulting, competition support, expert reviews and trustee services.

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Offering

Products & services

Industry:Architecture Firms
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4.2/5

ARGE atelier ww Caretta Weidmann GmbH

✓ Offered8
Construction management
Construction supervision for projects, coordination of designers and contractors, ensuring compliance with cost, schedule and quality requirements.
Project developments
Full project development with alignment of use requirements, investment costs and return expectations, as well as project steering in the interest of the clients.
General planning
Project management and delivery capabilities in the general planning model, including leadership, coordination and administration of specialist designers and contractors.
Comprehensive services
Design, planning and construction delivery of building projects for a fixed price, often starting from the preliminary design or from the building permit stage, with a lump-sum or cost-cap contract.
Conversions & renovations
Modernisations, renovations, conversions and revitalisations, including façade refurbishments, riser refurbishment, and fire protection and earthquake safety measures.
Construction economics
Support for projects in the feasibility study and preliminary design phase, focusing on cost efficiency and early cost forecasts.
Competition support, expert reports and construction trusteeship
Supporting architects in competition projects, pre-checks for juries, expert reports, second opinions, condition assessments and construction trusteeship.
Tenders for comprehensive services and total contractor models
Stage-appropriate tenders for comprehensive services and total contractor models, including preparation, drafting of tender documents and moderation of contract award meetings.
Trust & reputation

ranQ Trust Score of ARGE atelier ww Caretta Weidmann GmbH: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

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Data basis 96% · As of October 2026

ARGE atelier ww Caretta Weidmann GmbH scores 76.7 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
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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.71.424%
  • 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.74.910%
  • 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%
ARGE atelier ww Caretta Weidmann GmbH scores 65.8 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.39.612%
  • 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.90.07%
ARGE atelier ww Caretta Weidmann GmbH scores 85.0 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).85.022%
ARGE atelier ww Caretta Weidmann GmbH scores 85.7 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 35.85.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

ARGE atelier ww Caretta Weidmann GmbH reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.5 out of 5 stars from 18 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 18 reviews across all connected sources

Sources
GGoogle4.518
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Langgrütstrasse 112
8047 Zurich
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-424.515.627
Founded
2024 · 2 years
Last commercial register change
August 6, 2024
Employees
51 to 100
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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