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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,701 companies indexed · Last updated: today
DirectoryBusiness & Technical ServicesTechnical Consulting & EngineeringMaienfeldSTAG AG
STAG AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of STAG (Schüttgut Technik AG) is the development and implementation of standardized and customized solutions in bulk material handling, particularly in the areas of pneumatic and mechanical conveying technology, silo systems, dosing systems, and railcars. The company offers products, services, and projects in these areas and specializes in bulk material technology.

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Offering

Products & services

Industry:Technical Consulting & Engineering
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STAG AG

Mechanical Engineering Industry
✓ Offered11
Engineering & Plant Construction
Engineering & plant construction from concept development and detail engineering to project management and realisation; including coordination of trades, commissioning and planning of new plants.
Consulting & Support
Consulting and support for bulk-material systems and key account management; including analysis and testing of bulk goods, plant support and assistance for long-term partnerships.
Plant Service
Plant service with spare-parts logistics, repairs, plant maintenance, service project management and overall plant optimisation to secure availability.
Test Center
Test center for industrial-scale trials; analysis of bulk-material samples, testing of products and processes, process-engineering tests and up-scaling for plant design.
Railcar Equipment
Railcar equipment for pneumatic emptying of silo vehicles on rail and road; supplemented by service and maintenance for railcars.
Pneumatic Conveying Systems
Pneumatic conveying systems for dense-phase and dilute-phase transport; with push senders, diverters, injectors, blow shoes, pipework and related components.
Discharge Systems for Silos and Bunkers
Discharge systems for silos and bunkers with moving floors, dosing belts, fluid chutes, Silex and related solutions for even, safe bulk-material discharge.
Mechanical Conveying Systems
Mechanical conveying of bulk materials with trough chain conveyors and enclosed or open belt conveyors for different applications.
Dosing Systems
Dosing systems with high-precision multi-screw feeders for pneumatic dilute-phase conveying systems with pressure compensation.
Crushing, Grinding and Processing
Crushing, grinding and processing with crushers and mills for different applications in bulk-material handling.
Bulk Material Valves and Components
Valves, components and systems for bulk materials to support different workflows and process requirements.
Trust & reputation

ranQ Trust Score of STAG AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 54% · As of October 2026

Without public customer reviews the score stays capped.

STAG AG 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.
x
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%
STAG AG scores 89.3 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%
STAG AG 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%
STAG AG scores 57.1 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 35.57.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

STAG AG 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

Industriestrasse 11
7304 Maienfeld

At a glance

Legal form
Corporation
UID
CHE-105.843.176
Founded
1954 · 72 years
Last commercial register change
February 11, 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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