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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureBuilding ConstructionDietikonBauunternehmung Josef Wiederkehr AG
Bauunternehmung Josef Wiederkehr AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Bauunternehmung Josef Wiederkehr AG is a construction company that carries out new-build, renovation and repair works, including earthworks, in-situ concrete, formwork, masonry and installation of precast elements. The company also provides construction management and project/site supervision services and supports property owners and managers with planning and maintenance tasks.

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Products & services

Industry:Building Construction
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Bauunternehmung Josef Wiederkehr AG

Building Maintenance
✓ Offered4
Construction contractor
Construction work for new-build construction and building maintenance, in particular new buildings, renovations and small to large construction projects in the Zurich region.
Construction management
Construction management for built real estate and property planning, further development of real estate, construction planning, site supervision and external project management.
Customer service
Renovation and refurbishment services for private clients and property management companies, including cost ceilings, construction planning, site supervision, execution and coordination of subcontracted trades.
Building property maintenance
Repair works and small orders for properties on an annual contract basis, including straightforward execution and, on request, a 24/7 on-call service.
Trust & reputation

ranQ Trust Score of Bauunternehmung Josef Wiederkehr AG: 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.

Bauunternehmung Josef Wiederkehr 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%
Bauunternehmung Josef Wiederkehr AG scores 89.3 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.70.07%
Bauunternehmung Josef Wiederkehr AG 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%
Bauunternehmung Josef Wiederkehr AG scores 28.6 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 35.57.14%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

Bauunternehmung Josef Wiederkehr 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 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

November 9, 2017Media
Zukunftstag für Jugendliche bei der Bauunternehmung Josef Wiederkehr
urnerzeitung.ch

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Location

Poststrasse 27B
8953 Dietikon

At a glance

Legal form
Corporation
UID
CHE-105.786.851
Founded
1972 · 54 years
Last commercial register change
September 23, 2022
Employees
11 to 20
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.100.06%
  • 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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