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
DirectoryCrafts & TradesPlumbing & Building ServicesTrunRAFAEL GULDIMANN GMBH
RAFAEL GULDIMANN GMBH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Guldimann GmbH is the planning, execution and maintenance of heating, plumbing and building technology systems, including the installation of bathroom fixtures, underfloor heating, water supply systems and other building technology equipment.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered4
Planning
Planning of projects with the company’s specialists, including support when choosing bathroom fittings and coordination of the work.
Execution
Execution of planned heating and sanitary work, including bathroom renovations, kitchen renovations, wet rooms and other building services work.
Maintenance + Service
Maintenance and service after completion of the work, including full-service support, assistance with water damage and service call-outs in the evening and at weekends.
Water filter promotion
Whole-house water filter service, including replacement of the water filter cartridge and checking the pressure-reducing valve and safety valve.
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
4.0/5

RAFAEL GULDIMANN GMBH

Trust & reputation

ranQ Trust Score of RAFAEL GULDIMANN GMBH: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

RAFAEL GULDIMANN GMBH scores 59.3 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.75.024%
  • 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%
RAFAEL GULDIMANN GMBH scores 83.0 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%
RAFAEL GULDIMANN GMBH 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%
RAFAEL GULDIMANN GMBH scores 7.4 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 35.7.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

RAFAEL GULDIMANN GMBH reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 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
5
of 5

Aggregated from 4 reviews across all connected sources

Sources
GGoogle54
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once RAFAEL GULDIMANN GMBH has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

RAFAEL GULDIMANN GMBH in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank RAFAEL GULDIMANN GMBH by reviews, experience and specialisations.

Is this your company?

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

Secure profile

Location

Via Sorts 2
7166 Trun

At a glance

Legal form
Limited Liability Company
UID
CHE-113.568.670
Founded
2007 · 19 years
Last commercial register change
May 26, 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.
88.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    RS
    Rinaldo Stampa GmbH
    Landquart
    GB
    G. Brunner Haustechnik AG
    Domat/Ems
    SM
    Sanitär Meier GmbH
    Davos Wiesen
    BE
    Bündner Energietechnik GmbH
    Igis
    LH
    Lingenhag Haustechnik AG
    Buchen Im Prättigau
    MK
    M. Kunz AG
    Klosters Dorf
    R-
    Rv - Energietechnik AG
    Maienfeld
    K+
    K + M Haustechnik AG
    Silvaplana