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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsZurichCONEN SIGL ARCHITEKTEN GMBH
CONEN SIGL ARCHITEKTEN GMBH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Conen Sigl Architekt:innen GmbH is the planning and realization of architectural projects, particularly in the field of residential construction and urban development. The company offers services such as architecture, urban planning, and project development, focusing on creating sustainable and ecologically meaningful living spaces.

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Offering

Products & services

Industry:Architecture Firms
✓ Offered8
Architectural services
Design services, new builds, conversions, renovations and extensions of residential buildings, public buildings and mixed-use projects; competitions, study mandates and construction projects.
Competition and study projects
Design competitions, selective procedures, study mandates and preliminary projects for housing developments, public buildings, cultural and mixed-use projects.
Renovations and conversions
Renovations, conversions and change-of-use of existing buildings, including residential houses, municipal buildings, museums, catering and hospitality venues, and public buildings.
Residential construction
Residential buildings, apartment blocks, housing estates and cooperative housing projects, often with shared ancillary areas and outdoor spaces.
Buildings for culture and public use
Culture and public-use buildings such as museums, art centres, barracks, religious buildings and diplomatic buildings; sometimes with reorganisation, expansion or renovation.
Hospitality buildings and interior fit-out
Conversion and design of bars, cafés and restaurant areas, including built-in elements, furnishings and atmospheric interior fit-out.
Exhibition architecture
Exhibition and presentation architecture for art and architecture contexts, including the Swiss Art Award and Manifesta 11.
Furniture and built-ins
Furniture series and fixed built-in elements for interiors, including cupboards, cloakrooms, sideboards, counters and built-in furniture that shapes the room.
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4.1/5

CONEN SIGL ARCHITEKTEN GMBH

Trust & reputation

ranQ Trust Score of CONEN SIGL ARCHITEKTEN GMBH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 58% · As of October 2026

Without public customer reviews the score stays capped.

CONEN SIGL ARCHITEKTEN 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%
CONEN SIGL ARCHITEKTEN GMBH scores 89.7 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%
CONEN SIGL ARCHITEKTEN GMBH 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%
CONEN SIGL ARCHITEKTEN GMBH scores 47.2 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 35.74.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.20.04%
Qualifications+0.00

CONEN SIGL ARCHITEKTEN 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 58%, 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.

Press

Media

June 25, 2024Media
Auf Idealismus gebaut -
swiss-architects.com
November 2, 2021Media
Busdepot Deutweg in Winterthur – Ein Neubau mit Wirkung aufs ganze Quartier geplant
tagesanzeiger.ch
September 11, 2018Media
Wache Süd Zürich: Erweiterung heisst «Fuchs»
baublatt.ch

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Location

Grubenstrasse 29
8045 Zurich

At a glance

Legal form
Limited Liability Company
UID
CHE-419.279.243
Founded
2011 · 15 years
Last commercial register change
July 15, 2025
Employees
21 to 50
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.
88.0
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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