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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,887 companies indexed · Last updated: today
DirectoryConstruction & ArchitectureCivil EngineeringSchmerikonJohann Müller AG, Kieswerk und Baggereiunternehmung
Johann Müller AG, Kieswerk und Baggereiunternehmung Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of JMS Group encompasses the supply of building materials such as gravel, sand and concrete, as well as the provision of construction services including specialized civil engineering, water, shore and port construction, heavy transport and disposal. In addition, the company also offers recycling and waste management services.

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Products & services

Industry:Civil Engineering
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Johann Müller AG, Kieswerk und Baggereiunternehmung

✓ Offered11
Gravel / Sand
Gravel and sand from our own gravel pit for construction and civil engineering projects; offering with extraction sites and landfills as well as regional construction materials.
Extraction sites and landfills
Extraction sites and landfills for material collection, deposition and recovery in connection with gravel extraction and construction materials logistics.
Civil engineering
Civil engineering for construction pits, underground utility lines, road construction and other earthworks, complemented by transport and logistics services.
Special deep foundation works
Special deep foundation works with drilled piles, micropiles, driven piles, sheet piling, raked wall elements, strutting supports, ground nailing and prestressed anchors.
Underground utility line construction
Underground utility line construction for underground pipelines and infrastructure within civil engineering and road construction projects.
Deconstruction and recycling
Deconstruction, demolition and dismantling with sorting-pure disposal, recycling and reuse of materials.
Waste disposal and recycling
Waste disposal and recycling of construction and other waste, including delivery to the waste management park and recovery of suitable materials.
Transport services
Transport for construction materials, equipment and other goods; complemented by special and heavy transport as well as escorted exceptional transports.
Crane work
Crane work as well as crane and grab operations for material handling, site logistics and heavy loads.
Sewer maintenance
Sewer maintenance including sewer cleaning, CCTV inspection and leak testing for pipeline networks and drainage systems.
Skip and container service
Skip and container service for collecting, transporting and hauling materials and waste on construction sites and for waste disposal assignments.
Trust & reputation

ranQ Trust Score of Johann Müller AG, Kieswerk und Baggereiunternehmung: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

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Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

Johann Müller AG, Kieswerk und Baggereiunternehmung has no value in the Reputation area of the ranQ Trust Score because no data is available. The area carries 42% of the weighting and drops out of the calculation for this profile; it does not lower the score, only the reported data basis.
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CriterionValueWeight
  • Review quality: No data point — the criterion is taken out of the weighting and does not lower the score.—24%
  • Review volume: No data point — the criterion is taken out of the weighting and does not lower the score.—10%
  • Review recency: No data point — the criterion is taken out of the weighting and does not lower the score.—8%
Johann Müller AG, Kieswerk und Baggereiunternehmung scores 90.9 out of 100 points in the Substance area of the ranQ Trust Score. This area carries 28% of the weighting.
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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%
Johann Müller AG, Kieswerk und Baggereiunternehmung scores 83.3 out of 100 points in the Identity area of the ranQ Trust Score. This area carries 22% of the weighting.
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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).83.322%
Johann Müller AG, Kieswerk und Baggereiunternehmung scores 60.0 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 35.60.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Johann Müller AG, Kieswerk und Baggereiunternehmung reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». No public customer reviews are available for this provider; the rating is based on the remaining criteria. The data basis is 54%, 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.

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Location

Allmeindstrasse 11
8716 Schmerikon

At a glance

Legal form
Corporation
UID
CHE-105.812.655
Founded
1954 · 72 years
Last commercial register change
June 5, 2025
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.100.06%
  • Branch offices: Branch offices linked in the commercial register. Having none is normal and costs no points.85.03%
    • Full methodology

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