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 & ArchitectureArchitecture FirmsWil SgKlemens Dudli AG - Denkmalpflege und Architektur
Klemens Dudli AG - Denkmalpflege und Architektur Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Klemens Dudli AG is monument preservation and architecture, particularly in the repurposing and renovation of old buildings, monuments and historic buildings. The company provides comprehensive consulting and support for conversions, extensions and renovations, as well as monument preservation expertise and appraisals for private and public building owners.

AI-generated
Offering

Products & services

Industry:Architecture FirmsGeneral Contractors
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
3.9/5

Klemens Dudli AG - Denkmalpflege und Architektur

✓ Offered5
Architectural services
Architectural services for existing buildings, heritage conservation, change of use, conversions and construction in existing buildings; support ranging from smaller conversions and renovations to major private and public new-build projects.
Heritage conservation consultancy and expert reports
Heritage conservation consultations and expert assessments for private and public clients; independent building surveys on historic buildings.
Conversions, extensions and renovations
Value-preserving conversions, extensions and renovations with a focus on preserving building testimonies and contemporary forms of use.
Consulting and support for the renovation of historic buildings
Comprehensive advice and support for historic buildings, from façade colour to door handles, including coordination with specialists.
Construction in existing buildings
Planning and supervision of projects in the existing building stock, focusing on existing buildings, change of use and the careful further development of buildings.
Trust & reputation

ranQ Trust Score of Klemens Dudli AG - Denkmalpflege und Architektur: 3.9 out of 5.0

Trust Score3.9/ 5.0

High

x

Data basis 96% · As of October 2026

Klemens Dudli AG - Denkmalpflege und Architektur scores 49.5 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.57.924%
  • 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.40.910%
  • 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.35.08%
Klemens Dudli AG - Denkmalpflege und Architektur 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%
Klemens Dudli AG - Denkmalpflege und Architektur scores 85.0 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).85.022%
Klemens Dudli AG - Denkmalpflege und Architektur scores 25.7 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 35.25.74%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Klemens Dudli AG - Denkmalpflege und Architektur reaches a ranQ Trust Score of 3.9 out of 5.0 — rated «High». The rating draws, among other things, on 3.8 out of 5 stars from 4 customer reviews. The data basis is 96%, 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.

Reviews

Aggregated rating

Aggregated rating
3.8
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle3.84
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Klemens Dudli AG - Denkmalpflege und Architektur has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Klemens Dudli AG - Denkmalpflege und Architektur in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Klemens Dudli AG - Denkmalpflege und Architektur by reviews, experience and specialisations.

Is this your company?

Claim the company profile of Klemens Dudli AG - Denkmalpflege und Architektur to make its contact details visible. With a plan we additionally create and publish industry comparisons, articles and much more.

Secure profile

Location

St. Gallerstrasse 9a
9500 Wil Sg
Opening hours
Mon
08:00 - 11:45, 13:30 - 17:00
Tue
08:00 - 11:45, 13:30 - 17:00
Wed
08:00 - 11:45, 13:30 - 17:00
Thu
08:00 - 11:45, 13:30 - 17:00
Fri
08:00 - 11:45, 13:30 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-113.806.651
Founded
2007 · 19 years
Last commercial register change
September 20, 2021
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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    JA
    JAEGER ARCHITEKTUR AG
    Wil Sg
    FA
    Forma Architekten AG
    St. Gallen
    CB
    Clalüna Bont Architektur AG
    St. Gallen
    MA
    mz architektur gmbh
    Kaltbrunn
    GA
    Greuter Architekten GmbH
    Wildhaus
    UO
    Urs Oertig Bauplanung GmbH
    Uznach
    BL
    Bänziger Lutze Architektur AG
    Berneck
    AF
    Architektur Fabian Meier
    Berneck