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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryGontenschwilPaul Lüthi AG Schweiz
Paul Lüthi AG Schweiz Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Paul Lüthi AG Schweiz is a technical model and mold-making company offering engineering, prototyping, mold/tool production (thermoforming, composite and press tools), CNC machining and manufacture of plastic and composite components. The company produces 3D CAD data, manufacturing and assembly drawings and supports projects from planning through implementation, including modifications and maintenance of external molds.

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Paul Lüthi AG Schweiz

Offering

Products & services

Industry:Mechanical Engineering Industry
✓ Offered8
Engineering
Engineering with 3D CAD data models, design work, reverse engineering as well as manufacturing and assembly drawings; project support on the customer’s site directly on location.
Prototypes
Prototype construction with milled parts from original material, cast resin parts, 3D printing and composite components; support of the development process up to finished prototypes.
Mould making
Mould making for thermoforming, composite and press tools; support from the idea through to the finished product, as well as modification and maintenance work, including for third-party moulds.
CNC machining
CNC machining with multi-axis CNC milling machines, CAD/CAM software and surface finishing; machining of plastics, composite materials, aluminium, titanium and steel up to 65 HRC.
Composite components
Manufacturing of fibre-reinforced plastic components with glass fibre, carbon fibre or aramid fibre; processes such as hand lay-up, RTM, vacuum infusion and prepreg.
Jig and fixture making
Jig and fixture making for test and inspection jigs, assembly jigs and gluing jigs; tailored solutions to ensure product quality and process reliability.
Concrete moulds
Concrete moulds and custom shuttering inserts for concrete products; formwork construction as well as WetCast moulds made from PUR or silicone for garden, landscaping and construction applications.
Turnkey solutions
Turnkey solutions with project management from concept through to commissioning; external procurement, product-specific tests, final inspections, assembly and warehouse logistics.
Trust & reputation

ranQ Trust Score of Paul Lüthi AG Schweiz: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

Paul Lüthi AG Schweiz scores 65.2 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.60.324%
  • 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.58.610%
  • 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.88.08%
Paul Lüthi AG Schweiz scores 67.9 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.50.012%
  • 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.70.07%
Paul Lüthi AG Schweiz 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%
Paul Lüthi AG Schweiz scores 62.9 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 35.62.94%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Paul Lüthi AG Schweiz reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.1 out of 5 stars from 9 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
4.1
of 5

Aggregated from 9 reviews across all connected sources

Sources
GGoogle4.19
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hinterdorfstrasse 412
5728 Gontenschwil
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 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-239.944.019
Founded
2023 · 3 years
Last commercial register change
June 3, 2026
Employees
11 to 20
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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