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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryCrafts & TradesPlumbing & Building ServicesSolothurnLüthi-Nobel AG
Lüthi-Nobel AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Lüthi-Nobel AG is a trades and service company offering roofing, sheet‑metal (spengler), sanitary, heating and solar/photovoltaic services. Services listed include new installations and repairs, bathroom and kitchen renovations, water treatment and descaling, heating system installation and overhaul, lightning protection, and planning, installation and maintenance of solar systems; a 24‑hour emergency service is provided.

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Products & services

Industry:Plumbing & Building ServicesRoofing
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Lüthi-Nobel AG

Sheet Metal Work
✓ Offered9
Roofing
Re-coverings and renovations of pitched and flat roofs, under-roof structures, roof insulation and façade work; advice, planning and execution using various roofing materials.
Sheet metal work
Gutters, downpipes, metal sheets for pitched roofs, metal façades and roof coverings; processing of liquid plastics, joint sealing as well as coatings for outdoor staircases, garage floors and terraces.
Sanitary / Building services
Installations and repairs in new builds and renovations, bathroom and kitchen renovations, replacement of bathtubs, water treatment, softening and descaling systems, water heating and gas installations.
Heating
Thermostatic valves, installations in new builds and renovations, oil, gas, wood and air heat pump heating systems, underfloor and surface heating, boiler replacements, heating system renovations, heating inspections and heating system flushing.
Solar / Photovoltaics
Planning and installation of solar systems for domestic hot water and heat production, also in combination with heating system renovations or boiler replacement; mounting of already purchased systems on subcontract (under a contractor).
Lightning protection
Installation of lightning protection systems made from galvanized steel, aluminium, copper or coloured materials; earthing as well as repairs and inspections of existing systems.
Roof windows
Service and inspection of roof windows, checking operation, seals, hinges and exterior sheet metal flashing; installation of roof windows and finishing frames.
Apartment clearance
Apartment clearances as a special add-on service, described as occasional supplementary work by the small business.
Waste disposal
Waste disposal work as a special add-on service under «Special / Particular», listed together with apartment clearances.
Trust & reputation

ranQ Trust Score of Lüthi-Nobel AG: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Lüthi-Nobel AG scores 58.5 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.47.024%
  • 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.70.510%
  • 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.78.08%
Lüthi-Nobel AG 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%
Lüthi-Nobel AG 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%
Lüthi-Nobel AG scores 2.9 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 35.2.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Lüthi-Nobel AG reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 3.7 out of 5 stars from 15 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
3.7
of 5

Aggregated from 15 reviews across all connected sources

Sources
GGoogle3.715
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Eschenweg 6
4500 Solothurn

At a glance

Legal form
Corporation
UID
CHE-115.224.767
Founded
2009 · 17 years
Last commercial register change
October 24, 2023
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.
100.0
6%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.70.03%
    • Full methodology

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