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
  • Contact
  • Legal
© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,544 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureTimber Construction & CarpentryWeinfeldenBornhauser AG Holzbau
Bornhauser AG Holzbau Logo
Verified· 4 sourcesTrust Score
Summary

About the company

Bornhauser AG Holzbau provides timber construction and renovation services. The company carries out timber element construction, facade and staircase work, outdoor living structures and industrial buildings, and offers photovoltaic installations, energy analyses, insulation, refurbishment and interior fit-out services, including support with funding applications and GEAK energy-certificate processes.

AI-generated
Offering

Products & services

Industry:Timber Construction & Carpentry
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
4.3/5

Bornhauser AG Holzbau

✓ Offered
12
Prefabricated timber element construction
Timber element construction with prefabricated wall, ceiling and roof elements for single-family homes, multi-family homes, schools, gymnasiums and multi-purpose halls.
Facade construction
Facade cladding made of wood, Eternit or plaster render; left natural, glazed, painted opaque or pressure-impregnated, with advice on materials and execution.
Stair construction
Tailor-made staircases for indoors and outdoors, straight or spiral, functional and made to millimetre accuracy to your specifications.
Outdoor living space
Wood grid flooring for terraces, garden houses, tool sheds and carports, individually planned and installed.
Industrial buildings
Timber buildings for agriculture, sports and commercial use, including larger timber construction projects and reference properties.
Photovoltaic systems
Photovoltaic systems on roofs; if desired, turnkey service including scaffolding, panel installation and coordination of the electrician.
Renovation / retrofit
House renovations with an energy focus, including analysis, insulation, subsidy program, GEAK retrofit concept, conversion/alterations, renovation and interior fit-out.
Energy analysis and consulting
Thermal-image-based analysis of heat loss in the house, with recommendations for practical measures to reduce energy loss.
Insulation
Insulation work using different materials, matched to performance, environmental compatibility and the specific needs of the building.
Subsidy program / GEAK
Support with subsidy funding and preparation of a GEAK retrofit concept for phased renovations and long-term planning.
Conversion and renovation
Conversions and extensions with consulting on design, material selection as well as production and installation of the timber works at the Weinfelden workshop.
Interior fit-out, extension construction
Interior fit-out of screeds and roof floors, dormers and replacement of roof windows with better insulation for additional living space.
Trust & reputation

ranQ Trust Score of Bornhauser AG Holzbau: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 100% · As of October 2026

Bornhauser AG Holzbau scores 77.5 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.83.324%
  • 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.63.210%
  • 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.78.08%
Bornhauser AG Holzbau 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%
Bornhauser AG Holzbau 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%
Bornhauser AG Holzbau scores 43.6 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.30.04%
Qualifications+0.00

Bornhauser AG Holzbau reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 11 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 11 reviews across all connected sources

Sources
GGoogle511
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

June 7, 2024Media
Tag der offenen Tür am Samstag, 8. Juni
kreuzlinger-nachrichten.ch
February 3, 2022Media
Weinfelden: Stadtrat Thomas Bornhauser baut für 40 Millionen Wohnungen
tagblatt.ch
August 27, 2019Media
Vom Patron zur Geschäftsleitung: Thomas Bornhauser übergibt seine Firma in junge Hände
tagblatt.ch
August 30, 2017Media
WEINFELDEN: Ihr Stolz gehört dem Holz
tagblatt.ch

Knowledge

No knowledge articles yet

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

Get started
Comparisons

Bornhauser AG Holzbau in comparison

Soon

Industry comparisons are coming soon

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

Is this your company?

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

Secure profile

Location

Dufourstrasse 83
8570 Weinfelden
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-109.515.995
Founded
2002 · 24 years
Last commercial register change
May 14, 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

    Similar companies

    BB
    Bornhauser Baumontagen GmbH
    Weinfelden
    BG
    Baumgartner Generalunternehmung GmbH
    Wuppenau
    KT
    Kämpf Thomi Holzbau AG
    Raperswilen
    BH
    Bissegger Holzbau Innenausbau GmbH
    Wigoltingen
    SH
    Sommerhalder Holzbau AG
    Märstetten
    HA
    Holzbau Aachtal Immobilien GmbH
    Ennetaach
    TH
    Tschann Holzbau GmbH
    Märwil
    KH
    Krähenbühl Holzbau AG
    Thundorf