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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureArchitecture FirmsLiestalaz Holz AG
az Holz AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of az Holz AG encompasses the planning, development and realization of construction projects, particularly in the field of timber construction, as well as the creation of real estate. The company offers comprehensive solutions for construction and residential projects, including architectural services, sustainable building systems and property management.

AI-generated
Offering

Products & services

Industry:Architecture FirmsGeneral Contractors
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4.5/5

az Holz AG

Timber Construction & Carpentry
Real Estate Brokerage
✓ Offered4
Architecture
Design, planning and execution of individual building projects; advisory services, site management, cost control, calls for tenders, contract awarding and certification according to MINERGIE standards.
Timber construction
Conventional timber construction and system construction methods for new builds, conversions and extensions, renovations, storey additions, dormer windows, roofing, carports, photovoltaic systems, as well as repairs and service.
Real estate
Own properties for sale or rent, development of residential real estate as a general contractor, and support for financing, contractual formalities, implementation and commissioning.
Klimaholzhaus®
Construction of certified solid timber houses with a comfortable indoor climate, high building-physical safety and a sustainable timber construction approach; including system description and reference property.
Trust & reputation

ranQ Trust Score of az Holz AG: 4.5 out of 5.0

Trust Score4.5/ 5.0

Excellent

x

Data basis 100% · As of October 2026

az Holz AG scores 90.0 out of 100 points in the Reputation area of the ranQ Trust Score. This area carries 42% of the weighting.
x
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.90.524%
  • 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.84.710%
  • 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%
az Holz AG scores 92.3 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.82.07%
az Holz 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%
az Holz AG scores 27.2 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 35.54.34%
  • Media authority: Quality and number of editorial mentions, weighted by the importance of the source, plus the recency of the latest high-quality mention.0.04%
Qualifications+0.00

az Holz AG reaches a ranQ Trust Score of 4.5 out of 5.0 — rated «Excellent». The rating draws, among other things, on 5.0 out of 5 stars from 27 customer reviews. As of October 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 27 reviews across all connected sources

Sources
GGoogle527
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

February 7, 2013Media
Aufrichte: Tanne steht auf dem Ponyhof-Dach - Reinach - Aktuell - wob
wochenblatt.ch

Knowledge

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Comparisons

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Location

Oristalstrasse 121
4410 Liestal
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.790.579
Founded
1989 · 37 years
Last commercial register change
January 25, 2024
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.
100.0
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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