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 & ArchitectureBuilding MaintenanceHerisauDiem Holzbau AG
Diem Holzbau AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Diem Holzbau AG is the realization of wood construction projects, particularly in the areas of new buildings, renovations, interior finishing, attic conversions, stairs, kitchens and furniture.

AI-generated
Offering

Products & services

Industry:Building MaintenanceInterior Construction
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
4.1/5

Diem Holzbau AG

Timber Construction & Carpentry
✓ Offered4
Joinery
Doors, furniture, kitchens, parquet flooring, built-in wardrobes and other custom joinery work for indoor and outdoor areas.
Timber construction
New builds, extensions, attic conversions, timber facades, insulation, staircases and custom-made solutions for buildings and their surroundings.
Planning
Advisory services and project management for timber construction projects, including detailed planning, organisation and coordination with architects and planners.
CNC machining
CNC woodworking for standardised and custom orders, individually or in larger batches, for example for doors, staircases and furniture.
Trust & reputation

ranQ Trust Score of Diem Holzbau 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.

Diem Holzbau 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%
Diem Holzbau AG scores 85.5 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.55.07%
Diem Holzbau AG scores 86.7 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).86.722%
Diem Holzbau AG scores 7.2 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 35.4.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.10.04%
Qualifications+0.00

Diem Holzbau 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

September 21, 2016Media
Diem feiert Jubiläum an der Hema
appenzellerzeitung.ch

Knowledge

No knowledge articles yet

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

Get started
Comparisons

Diem Holzbau AG in comparison

Soon

Industry comparisons are coming soon

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

Is this your company?

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

Secure profile

Location

Schwellbrunnerstrasse 89
9100 Herisau
Opening hours
Mon
07:00 - 12:00, 13:30 - 17:30
Tue
07:00 - 12:00, 13:30 - 17:30
Wed
07:00 - 12:00, 13:30 - 17:30
Thu
07:00 - 12:00, 13:30 - 17:30
Fri
07:00 - 12:00, 13:30 - 17:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.079.316
Founded
1976 · 50 years
Last commercial register change
December 4, 2012
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

    AH
    Alpha Holz GmbH
    Herisau
    AT
    ASG Technik AG
    Herisau
    FG
    Flaman GmbH
    Herisau
    KE
    Kopernikus Energy KLG
    Herisau
    WS
    Wilfling Schreinerei AG
    Herisau
    LA
    Langenegger AG Lutzenberg
    Lutzenberg
    BR
    Bauarge Renovationen GmbH
    Stein Ar
    FR
    free-tree Roland Gahler Holzmontagen und Schreinerarbeiten
    Speicher