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 · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureSpecialized Construction ActivitiesHermetschwil-StaffelnDiethelm Fassadenbau AG
Diethelm Fassadenbau AG Logo
Verified· 4 sourcesTrust Score
Summary

About the company

The core activity of Diethelm Fassadenbau AG is the realization of building envelopes for large construction projects, particularly in the field of ventilated facades of all kinds, as well as sheet metal processing for industry and trade.

AI-generated
Offering

Products & services

Industry:Specialized Construction Activities
✓ Offered12
Facade construction
Planning, production and installation of ventilated facades, building envelopes and facade cladding; in-house project development, site-specific facade planning and turnkey execution.
Sheet metal processing
Manufacture and processing of sheet metal and profiles for industry and crafts; consulting, data preparation, production, surface treatment, welding work as well as logistics and transport.
Facade sheets
Planning, manufacture and installation of facade sheets in flat, perforated, embossed or shaped designs for ventilated facades.
Substructures
Substructures in stainless steel or aluminium, made from bent sheet metal or pressed profiles, as suitable supporting systems for facade sheets.
Steel and metal structures
Structures made of aluminium, steel and stainless steel for metal construction, architecture, vehicle and plant engineering, conveyor technology as well as general construction and environmental technology.
Door frames and window sills
Door frame systems and window sills as individual components for plugging together or welding, for functional and aesthetic applications in facade and metal construction.
Planning
Facade planning with analysis of building-side components and drawn documentation, to define suitable solutions early on.
Production
In-house production of facade and sheet metal structures with modern machine park for precise and flexible execution.
Installation
Installation of facade and sheet metal components developed and manufactured in-house by our own installation teams on site.
Consulting
Technical consulting on sheet metal, profiles and implementation options, including support in selecting the right solution and production method.
Data preparation
Preparation of sketches, manual drawings and digital data for sheet metal development, CAD processing and programming for CNC machines.
Surface treatment
Powder coating, wet painting, anodising, hot-dip galvanising, pickling stainless steel, passivation, electropolishing, electrogalvanising and chromating via partner companies.
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
4.2/5

Diethelm Fassadenbau AG

Trust & reputation

ranQ Trust Score of Diethelm Fassadenbau AG: 4.2 out of 5.0

Trust Score4.2/ 5.0

Very high

x

Data basis 100% · As of October 2026

Diethelm Fassadenbau AG scores 76.9 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.82.524%
  • 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.68.910%
  • 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.70.08%
Diethelm Fassadenbau 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%
Diethelm Fassadenbau 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%
Diethelm Fassadenbau AG scores 21.5 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 35.42.94%
  • 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

Diethelm Fassadenbau AG reaches a ranQ Trust Score of 4.2 out of 5.0 — rated «Very high». The rating draws, among other things, on 4.9 out of 5 stars from 14 customer reviews. As of October 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.9
of 5

Aggregated from 14 reviews across all connected sources

Sources
GGoogle4.914
★TrustpilotSoon
PProvenExpertSoon

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

Press

Media

February 23, 2021Media
Joe Rogger feiert sein 25-jähriges Firmenjubiläum
badenertagblatt.ch
October 22, 2019Media
Die Nachfolge geregelt
wohleranzeiger.ch

Knowledge

No knowledge articles yet

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

Get started
Comparisons

Diethelm Fassadenbau AG in comparison

Soon

Industry comparisons are coming soon

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

Is this your company?

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

Secure profile

Location

Im Spilhof 1
5626 Hermetschwil-Staffeln
Opening hours
Mon
07:00 - 11:45, 13:00 - 17:00
Tue
07:00 - 11:45, 13:00 - 17:00
Wed
07:00 - 11:45, 13:00 - 17:00
Thu
07:00 - 11:45, 13:00 - 17:00
Fri
07:00 - 11:45, 13:00 - 15:30
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-107.123.360
Founded
1970 · 56 years
Last commercial register change
June 23, 2025
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    LB
    LAM-IN BAU AG
    Mühlau
    SG
    Salm Gebäudehülle AG
    Schinznach Dorf
    MM
    Metallbau Muhen AG
    Muhen
    BI
    Bau Ing AG
    Döttingen
    BF
    Bamo Fassadenbau GmbH
    Aarau
    SG
    STFM GmbH
    Lengnau Ag
    GM
    GS Metalltechnik GmbH
    Boniswil
    MI
    Mebatech Ingenieurbüro für Metallbautechnik AG
    Baden