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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesRepair of Machinery & Electronic DevicesNiederhelfenschwilJohann Jung AG
Johann Jung AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of Johann Jung AG encompasses three main areas: 1. Sanitary installations: The company offers services in the sanitary sector, including sanitary installations in residential and industrial buildings as well as in stables, sanitary repairs, bathroom renovations and conversions, and the maintenance and repair of sanitary appliances such as toilet flush tanks and boilers. 2. Agricultural machinery: Johann Jung AG offers services in the field of agricultural machinery, including the sale and repair of motor mowers, lawn mowers, hay harvesting machines and other agricultural equipment. 3. Blacksmithing: The company offers blacksmithing and construction services, including locksmithing and the manufacture of metal parts and constructions.

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Products & services

Industry:Repair of Machinery & Electronic Devices
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3.8/5

Johann Jung AG

Metal Construction
Plumbing & Building Services
✓ Offered3
Plumbing installations and plumbing service
Sanitary installations in house and stable, bathroom renovations and bathroom conversions, repairs and service, WC cistern and boiler repairs, water descaling systems, and service lines for drinking-water supply.
Agricultural machinery service and repair
Maintenance and servicing of vehicle fleet and equipment fleet, repair of agricultural machinery, and supply of motor mowers, lawn mowers, hay harvesting machines and tools for fields, forests, meadows and gardens.
Metal fabrication and constructions
Forging and metal fabrication work in steel, stainless steel and aluminium, constructions, garden fences and garden gates, railings, welding work, finishing treatments and core drilling.
Trust & reputation

ranQ Trust Score of Johann Jung AG: 3.8 out of 5.0

Trust Score3.8/ 5.0

High

x

Data basis 96% · As of October 2026

Johann Jung AG scores 49.8 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.68.224%
  • 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.17.610%
  • 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.35.08%
Johann Jung AG scores 84.6 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.97.712%
  • 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%
Johann Jung 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%
Johann Jung AG scores 0.6 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 35.0.64%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Johann Jung AG reaches a ranQ Trust Score of 3.8 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 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 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

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Comparisons

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Location

Billwilerstrasse 1b
9527 Niederhelfenschwil
Opening hours
Mon
07:30 - 12:00, 13:15 - 17:15
Tue
07:30 - 12:00, 13:15 - 17:15
Wed
07:30 - 12:00, 13:15 - 17:15
Thu
07:30 - 12:00, 13:15 - 17:15
Fri
07:30 - 12:00, 13:15 - 17:15
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-378.068.385
Founded
2012 · 14 years
Last commercial register change
February 25, 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.
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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