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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryPlastics IndustryOstermundigenSemadeni AG
Semadeni AG Logo
Verified· 3 sourcesTrust Score
Summary

About the company

Semadeni AG is a plastics company that develops and manufactures standard products and customer-specific plastic solutions. Its activities include blow moulding, injection moulding, joining, machining and forming; product ranges cover packaging, laboratory equipment, storage and transport containers and safety/hygiene items, and services include packing, labelling, printing/laser marking, logistics and an online shop.

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Offering

Products & services

Industry:Plastics Industry
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Semadeni AG

Standard products
More than 8'000 plastic items available from stock, including in small quantities or individual pieces; including bottles, cans, bags, films, boxes, containers, crates and plastic pallets.
Customer-specific products
Development, design and manufacturing of customer-specific plastic solutions, including blow moulding, injection moulding, joining, machining and forming.
Packaging and labelling
Packing, assembling sets, labelling as well as printing and laser marking as a customer-specific service for products and sets.
Plastics processing
Processing of plastics with development, design, joining, machining, forming and associated production.
Injection moulding
Injection moulding production for plastic products, including in-house injection moulding expertise and toolmaking.
Development
Development of customer-specific plastic products and technical solutions, linked with design and production support.
Toolmaking
Toolmaking for plastics processing and injection moulding, as an internal capability for customer-specific production runs.
Packing room
Packing-room services for the assembly, packaging and preparation of plastic products and sets.
Quality assurance
Quality assurance for plastic products and manufacturing processes, supported by ISO certifications and internal quality management.
Logistics
Logistics services for storage, goods receipt, dispatch and order processing for plastic products.
Custom laboratory equipment
Tailor-made laboratory equipment and technical fittings for laboratory environments, manufactured as a customer-specific plastic solution.
Custom plastic ponds
Custom-made plastic ponds for garden applications, as an individual solution according to customer specifications.
Trust & reputation

ranQ Trust Score of Semadeni AG: 4.6 out of 5.0

Trust Score4.6/ 5.0

Excellent

x

Data basis 96% · As of October 2026

Semadeni AG scores 82.8 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.81.424%
  • 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.76.210%
  • 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%
Semadeni AG scores 95.8 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.96.07%
Semadeni 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%
Semadeni AG scores 97.1 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 35.97.14%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Semadeni AG reaches a ranQ Trust Score of 4.6 out of 5.0 — rated «Excellent». The rating draws, among other things, on 4.8 out of 5 stars from 19 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
4.8
of 5

Aggregated from 19 reviews across all connected sources

Sources
GGoogle4.819
★TrustpilotSoon
PProvenExpertSoon

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

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Location

Tägetlistrasse 35
3072 Ostermundigen
Opening hours
Mon
07:30 - 12:00, 13:00 - 17:00
Tue
07:30 - 12:00, 13:00 - 17:00
Wed
07:30 - 12:00, 13:00 - 17:00
Thu
07:30 - 12:00, 13:00 - 17:00
Fri
07:30 - 12:00, 13:00 - 16:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-101.114.888
Founded
1974 · 52 years
Last commercial register change
July 21, 2025
Employees
101 to 500
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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