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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint746,952 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumberBirsfeldenLüthi Haustechnik AG
Lüthi Haustechnik AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Lüthi Haustechnik AG is a building-services company specialising in plumbing installations. Its services include consulting, planning and installation for new builds and renovations, bathroom design and remodelling, repairs and maintenance.

AI-generated
Presence

Service area

Offering

Products & services

Industry:Plumber
✓ Offered5
Bathroom renovation
Bathroom renovation, advice, planning and execution from needs clarification via 3D visualisation and material specification to coordination and implementation, all from a single source.
Plumbing installations for new builds and renovations
Plumbing installations for apartments, single-family homes, multi-family houses and small, medium and large projects; cold and hot water, waste water and gas installations, water treatment, rainwater use, solar systems, delivery and installation of sanitary appliances.
Repair and maintenance
Repair, maintenance and fault rectification for sanitary installations; tap repairs, cistern overhauls, drain unblocking, boiler descaling, water softening systems, silicone sealant joints and shower WC.
Planning and tendering
Planning sanitary installations, preparation of tender documents, plans, CAD plans and schematics as well as coordination of the installations, rough concepts, execution plans and cost estimates.
Spare parts
Spare parts and consumables for sanitary products, selectable by brand; support by phone, WhatsApp or e-mail for questions and product searches.
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4.6/5

Lüthi Haustechnik AG

Trust & reputation

ranQ Trust Score of Lüthi Haustechnik AG: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of November 2026

Lüthi Haustechnik AG scores 92.6 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.87.024%
  • 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.100.010%
  • 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.100.08%
Lüthi Haustechnik AG scores 93.9 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.82.07%
Lüthi Haustechnik 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%
Lüthi Haustechnik AG scores 37.1 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 35.37.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lüthi Haustechnik AG reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.8 out of 5 stars from 72 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

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

Reviews

Aggregated rating

Aggregated rating
4.8
of 5

Aggregated from 72 reviews across all connected sources

Sources
GGoogle4.872
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Muttenzerstrasse 61
4127 Birsfelden
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-114.394.214
Founded
2008 · 18 years
Last commercial register change
January 12, 2026
Employees
21 to 50

Active in 1 of 26 cantons

  • BLBasel-Country
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.85.03%
    • Full methodology

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