ranQ
ranQ
ranQ
DirectoryIndustriesPlacesKnowledgeComparisonsSoon
Sign inCheck visibility
ranQHSG Startup LabelRecognised by the
HSG Startup Label

The leading AI company directory, built to boost AI visibility.

DEENFRIT
Product
  • Pricing
  • Directory
  • Industries
  • Trust Score
Company
  • About
  • Partner program
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,937 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryRiehenHolzbau & Zimmerei Knörndel AG
Holzbau & Zimmerei Knörndel AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

Holzbau & Zimmerei Knörndel AG is a carpentry and timber-construction firm carrying out roof structures, roofing, renovations, insulation, conversions and roof-window installations. The company also builds stairs, fits interior and exterior wood flooring, performs interior fit-outs and terrace work, and undertakes heritage restoration and eco-friendly insulation using wood-based materials.

AI-generated
Offering

Products & services

Industry:Timber Construction & CarpentryJoinery
LeadhubOutbound Leads by COHAGA

Looking for direct email addresses and phone numbers?

Leadhub delivers verified contact details and decision-makers from over 750,000 Swiss companies — management, procurement, marketing, HR.

Discover Leadhub
3.5/5

Holzbau & Zimmerei Knörndel AG

✓ Offered7
Carpentry and timber construction
Conventional carpentry work, roof trusses, structural modifications, stud construction, extensions and dormers.
Heritage preservation
Renovation work on historic buildings and building fabric, with carpentry, roofing, and professional execution in the respective architectural style.
Roof refurbishment
Roof refurbishments with ecological and efficient insulation measures to reduce heat loss, heating costs and summer overheating.
Interior fit-out / Terraces
Individual interior fit-out and terrace work according to customer requirements, from planning through to implementation.
Roof windows / Roofing
Installation of roof windows as replacement or new construction, as well as roofing and repair work with Biebers, flat tiles and natural slate.
Insulation / Blown-in insulation
Building insulation with natural, eco-friendly wood-based insulation materials, as board products or blown-in insulation.
Special works
Special and non-routine construction work, driven by creativity and a joy of the challenge.
Trust & reputation

ranQ Trust Score of Holzbau & Zimmerei Knörndel AG: 3.5 out of 5.0

Trust Score3.5/ 5.0

Solid

x

Data basis 54% · As of October 2026

Holzbau & Zimmerei Knörndel 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%
Holzbau & Zimmerei Knörndel AG scores 42.7 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.0.012%
  • 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.55.07%
Holzbau & Zimmerei Knörndel AG scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
x
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).83.322%
Holzbau & Zimmerei Knörndel AG scores 5.7 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 35.5.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Holzbau & Zimmerei Knörndel AG reaches a ranQ Trust Score of 3.5 out of 5.0 — rated «Solid». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

Knowledge

No knowledge articles yet

Once Holzbau & Zimmerei Knörndel AG has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Holzbau & Zimmerei Knörndel AG in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Holzbau & Zimmerei Knörndel AG by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Holzbau & Zimmerei Knörndel AG to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

Kornfeldstrasse 27
4125 Riehen

At a glance

Legal form
Corporation
UID
CHE-283.762.031
Founded
2026 · 0 years
Last commercial register change
March 31, 2026
Employees
1 to 10
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

    Similar companies

    B+
    BAUMANN + PARTNER AG
    Riehen
    GH
    Glutz Holzbau
    Riehen
    GH
    Grelo holz bau GmbH
    Basel
    JC
    Jean Cron AG
    Basel
    JC
    Jean Cron Immobilien AG
    Basel
    SH
    Spaini Holzbau & Bedachungen AG
    Basel
    AH
    A H A Atelier für Holzbau + Architektur, Inhaber M. Duffner
    Basel
    OH
    Opus Holzbau GmbH
    Basel