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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryCrafts & TradesSpecialized Construction InstallationsHornussenJünger + Gräter Schweiz GmbH
Jünger + Gräter Schweiz GmbH Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Jünger + Gräter Schweiz GmbH is a subsidiary of the Jünger+Gräter Group that supplies refractory engineering products and services, including engineering, installation and inspection for industrial furnaces and incineration plants. Its offerings cover consulting, material supply, dry-heating, endoscopy and drone inspections, with focus areas such as biomass/wood combustion and waste/sludge incineration.

AI-generated
Offering

Products & services

Industry:Specialized Construction Installations
✓ Offered12
Installation
Installation of refractories for new kilns and furnaces, emergency repairs, complete refractory installation, worldwide project execution.
Engineering
Engineering of refractory linings, thermal design, shaped refractory bricks, drawings, installation instructions, operation instructions, and complete furnace or kiln plant design.
Consulting
Consulting on refractory materials, development and testing, damage support, and project planning, independent of suppliers.
Dry-Heating
Dry-heating of furnaces and kilns with gas, oil, electricity or operation burners, including dry-heating curves and instructions.
Industrial chimney engineering
Construction, repair, upgrading and demolition of industrial chimneys, including steel concrete repair, corrosion protection, inspections and safety-system upgrades.
Endoscopy
Inspection of refractory linings while plants remain in operation, using a high-resolution endoscope for analysis, evaluation and consultation.
Drone inspection (JuSpect)
Drone-based inspection of hard-to-access plant areas with high-resolution images and videos of refractory linings for upgrades and damage analysis.
Industrial Climbing
Rope-access work for emergency shutdowns, small repairs, annual upgrades and work in hard-to-access areas, without scaffolding.
JuSyS® Tile Systems
Ceramic tube wall tile systems for waste incinerators, including JuSyS® Air, Standard, SL, XC and Flex variants.
JuSyS® CFB Tile Systems
Ceramic tile systems for circulating fluidized bed plants, including JuSyS® CFB-bw and JuSyS® CFB-iw for boiler walls and insulated wall areas.
Ceramic Nozzle Grate
Ceramic tuyere-bottom technology for circulating fluidized bed plants, designed for high temperatures, sealing performance and long service life.
High Performance Concrete
High-performance refractory castables and gunning materials, including JUCAN and JUFAST for casting, gunning and fast heat-up applications.
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4.3/5

Jünger + Gräter Schweiz GmbH

Trust & reputation

ranQ Trust Score of Jünger + Gräter Schweiz GmbH: 4.3 out of 5.0

Trust Score4.3/ 5.0

Very high

x

Data basis 96% · As of October 2026

Jünger + Gräter Schweiz GmbH scores 74.5 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.78.124%
  • 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.49.510%
  • 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.95.08%
Jünger + Gräter Schweiz GmbH scores 86.7 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.70.07%
Jünger + Gräter Schweiz GmbH 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%
Jünger + Gräter Schweiz GmbH 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

Jünger + Gräter Schweiz GmbH reaches a ranQ Trust Score of 4.3 out of 5.0 — rated «Very high». The rating draws, among other things, on 5.0 out of 5 stars from 6 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 6 reviews across all connected sources

Sources
GGoogle56
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Hauptstrasse 154
5075 Hornussen
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Limited Liability Company
UID
CHE-114.732.156
Founded
2009 · 17 years
Last commercial register change
April 14, 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.
88.0
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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