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 · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesHeimbergWalter Stegmann
Walter Stegmann Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Walter Stegmann is a plumbing and heating firm that provides planning, installation and maintenance of sanitary installations and heating systems. Services include new-build and renovation work, bathroom and kitchen fittings, boiler descaling, house water connections, heating refurbishments, heat pump, solar and pellet systems, and repairs/service.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered3
Plumbing
Plumbing installations for new builds and conversions, bathroom and kitchen fittings, boiler descaling, planning, house water supply lines from the municipal mains, repairs and service.
Heating
Heating consultations, heat pumps, solar systems, gas, oil and geothermal borehole heating systems, underfloor heating, district heating connections, pellet systems, heating refurbishments, planning, flushing of underfloor heating, repairs and service.
Sanitary and heating work for new builds and conversions
Organisation and execution of sanitary and heating work for new builds, conversions and renovations, including coordination with masons, painters, tilers, carpenters and electricians.
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

Walter Stegmann

Trust & reputation

ranQ Trust Score of Walter Stegmann: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Walter Stegmann scores 68.3 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.73.124%
  • 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.35.310%
  • 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%
Walter Stegmann scores 78.5 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%
Walter Stegmann 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%
Walter Stegmann scores 0.9 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 35.0.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Walter Stegmann 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 3 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 3 reviews across all connected sources

Sources
GGoogle53
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Walter Stegmann has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Walter Stegmann in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Walter Stegmann by reviews, experience and specialisations.

Is this your company?

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

Secure profile

Location

Rosenweg 8
3627 Heimberg
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Sole proprietorship
UID
CHE-103.316.612
Founded
1987 · 39 years
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.
67.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

    Similar companies

    HH
    Hubacher Heizungen GmbH
    Finsterhennen
    AC
    Acquabbona Ciardo GmbH
    Thörishaus
    AG
    ALTERNATHERM GmbH
    Worb
    MS
    M. Sanitär GmbH
    Rüschegg Heubach
    DH
    DENIS Haustechnik GmbH
    Thun
    TG
    Thermofit Gebäudetechnik GmbH
    Wynau
    AS
    Anotta S.A.
    Reconvilier
    SG
    Swiss GU Group GmbH
    Langenthal