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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint745,629 companies indexed · Last updated: today
DirectoryIndustryPlastics IndustryDietikonSeiler AG
Seiler AG Logo
Verified· 2 sourcesTrust Score
Summary

About the company

The core activity of SEILER AG is the production of plastic parts by injection moulding, assembly of components and ultrasonic welding of plastic parts. The company offers high-quality plastic products and solutions and has modern production planning and control systems to ensure timely production and guaranteed quality.

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Products & services

Industry:Plastics Industry
✓ Offered5
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4.1/5

Seiler AG

Plastic injection moulding
Plastic components produced by injection moulding for all industries and applications, in various sizes and materials from PE, PP and ABS to PEEK, PPS, TPE, TPU and SEBS.
Development and realisation of plastic products
Development, planning and realisation of ideas into finished products, including consulting, solutions tailored to plastics, material selection, prototypes and production tools.
Injection mould making
Custom injection moulds according to customer requirements, with support during the planning and realisation phase, with production partly in-house and partly with Swiss partners.
Ultrasonic welding of plastics
Ultrasonic welding of plastic parts on customer order, including airtight and watertight connections as well as welding work for different plastics.
Subassembly assembly
Assembly of subassemblies made from plastic parts as an additional production service alongside production and welding.
Trust & reputation

ranQ Trust Score of Seiler 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.

Seiler 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%
Seiler AG 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%
Seiler 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%
Seiler AG scores 3.4 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 35.3.44%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.00

Seiler 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

Bernstrasse 84
8953 Dietikon
Opening hours
Mon
08:00 - 17:00
Tue
08:00 - 17:00
Wed
08:00 - 17:00
Thu
08:00 - 17:00
Fri
08:00 - 15:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-100.436.711
Founded
1984 · 42 years
Last commercial register change
November 18, 2021
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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