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 · Imprint745,837 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesBiel/BienneGfeller Haustechnik GmbH
Gfeller Haustechnik GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Gfeller Haustechnik GmbH is the planning, installation, maintenance and repair of sanitary and heating systems, including the associated consulting and planning for renovation or new construction projects.

AI-generated
Offering

Products & services

Industry:Plumbing & Building Services
✓ Offered4
Plumbing work
Plumbing work for new builds, conversions and renovations; planning, installation and refurbishment of sanitary facilities, bathrooms and kitchens.
Heating installations
Heating installations, new installations and replacement of radiators; planning, maintenance and advice on heat pumps and other heating systems.
Utility lines
Utility lines for water supply; pipeline construction, service connection lines, transport lines, hydrant connections as well as maintenance and repairs.
Service / maintenance
Service, maintenance and repair work for sanitary and heating systems; clearing blockages, fixing leaking taps, descaling boilers and heating repairs.
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
4.1/5

Gfeller Haustechnik GmbH

Trust & reputation

ranQ Trust Score of Gfeller Haustechnik GmbH: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of October 2026

Gfeller Haustechnik GmbH scores 69.7 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.78.124%
  • 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.49.510%
  • 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%
Gfeller Haustechnik 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%
Gfeller Haustechnik 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%
Gfeller Haustechnik GmbH scores 17.1 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 35.17.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Gfeller Haustechnik GmbH reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 6 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 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

Knowledge

No knowledge articles yet

Once Gfeller Haustechnik GmbH has claimed this profile, we'll publish editorial articles and case studies here together.

Get started
Comparisons

Gfeller Haustechnik GmbH in comparison

Soon

Industry comparisons are coming soon

We're preparing industry comparisons that rank Gfeller Haustechnik GmbH by reviews, experience and specialisations.

Is this your company?

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

Secure profile

Location

Oberer Quai 38c
2503 Biel/Bienne
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-111.728.158
Founded
2004 · 22 years
Last commercial register change
November 11, 2022
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

    AH
    A-TEAM Haustechnik GmbH
    Biel/Bienne
    DR
    Daniel Rüfenacht Haustechnik GmbH
    Ursenbach
    SW
    Steiner Wichtrach Haustechnik AG
    Wichtrach
    RH
    Ryter Haustechnik AG
    Saanen
    AC
    Acquabbona Ciardo GmbH
    Thörishaus
    SG
    Swiss GU Group GmbH
    Langenthal
    SA
    Schaffer AG
    Grünen
    AI
    ALZ Installationen AG
    Zollikofen