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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryIndustryMechanical Engineering IndustryParadisoKERN TUNNELTECHNIK SA
KERN TUNNELTECHNIK SA Logo
Verified· 3 sourcesTrust Score
Summary

About the company

The core activity of KERN Tunneltechnik is the development, manufacture and delivery of machines and engineering solutions for tunnel construction, including formwork, logistics systems, special machines and renovation technologies. The company also provides services such as project planning, monitoring and execution, as well as training and support for its customers.

AI-generated
Offering

Products & services

Industry:Mechanical Engineering Industry
✓ Offered7
Tunnel Formworks
Tunnel formwork systems for typical tunnels, 360° tunnels, inverts, slabs, external entrances, enlargement sections, caverns, by-pass tunnels, collar connections and niches.
Special Machines
Specialised tunnelling machines and gantries for curing, reinforcement installation, service work, TBM support, hydro-demolition, transport bogies, multi-service gantries and turntable bogies.
Tunnel Logistic
Equipment for tunnelling logistics in underground construction, including tunnel logistic platforms, multiservice equipment and bridges, transport fly-over ramps and concrete transport mixers.
Tunnel Renovation
Equipment and complete packages for tunnel rehabilitation, with bespoke machinery setups for roads and railways, including works without closing public traffic.
K-EDU
Digital training concept for jobsite workforce, with interactive learning, simulation, practice and repeat levels, and project-specific training software.
K-POWER
Specialised technicians and services for customer projects, including preassembly, inspection and test plans, onsite installations, working teams and equipment hire.
K-Dynamic
Customisable PLC-based control system for tunnelling equipment, with automatic and manual mode, individual movement control, touch-screen operation and data logging.
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4.0/5

KERN TUNNELTECHNIK SA

Trust & reputation

ranQ Trust Score of KERN TUNNELTECHNIK SA: 4.0 out of 5.0

Trust Score4.0/ 5.0

High

x

Data basis 96% · As of October 2026

KERN TUNNELTECHNIK SA scores 54.8 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.69.624%
  • 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.35.310%
  • 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%
KERN TUNNELTECHNIK SA 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%
KERN TUNNELTECHNIK SA 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%
KERN TUNNELTECHNIK SA scores 80.0 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 35.80.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

KERN TUNNELTECHNIK SA reaches a ranQ Trust Score of 4.0 out of 5.0 — rated «High». The rating draws, among other things, on 4.7 out of 5 stars from 3 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
4.7
of 5

Aggregated from 3 reviews across all connected sources

Sources
GGoogle4.73
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Via Franco Zorzi 4
6900 Paradiso

At a glance

Legal form
Corporation
UID
CHE-115.318.500
Founded
2010 · 16 years
Last commercial register change
October 6, 2025
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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