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© 2026 cohaga AG · All Rights Reserved · St. Gallen, Switzerland · Imprint747,212 companies indexed · Last updated: today
DirectoryIndustryPlastics manufacturerAesch BlSena Plastics AG
Sena Plastics AG Logo
Verified· 3 sourcesOwner confirmed
Last updatedSeptember 15, 2026

Contact

Summary

About the company

The core activity of Sena Plastics AG is the development and manufacture of devices and systems, especially in the field of plastic processing. This includes, among other things, the production of shut-off valves, plastic linings and pressure-holding valves. The company also offers the development and manufacture of machines and consumables.

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Presence

Service area

Offering

Products & services

Industry:Plastics manufacturer
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Trust Score4.1/5

Sena Plastics AG

✓ Offered4
Process equipment and plant construction
Custom plastic containers, piping, exhaust gas scrubbers and special plastic parts for systems in industrial and process environments.
Butterfly valves
Thermoplastic, thermoset, metal, ATEX and fire-protection butterfly valves, as well as specific and Ditzler™ valves for industrial applications.
Plastic linings
Linings made of thermoplastic or fluorinated material to protect tanks and systems against corrosion, wear, and mechanical, chemical and thermal stress.
Pressure retention valve
Pressure retention valves Type 4600 for low pressure ranges up to 100 mbar, for overpressure, pressure holding and vacuum protection in apparatus and storage tanks.
Expertise

Expert

SN
Serge Naegelin
Owner & Managing Director

Active in plastic equipment construction since 1990. Started as a workshop assistant, fitter to workshop manager, production scheduling up to Managing Director

Trust & reputation

ranQ Trust Score of Sena Plastics AG: 4.1 out of 5.0

Trust Score4.1/ 5.0

High

x

Data basis 96% · As of November 2026

Sena Plastics AG scores 58.0 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.68.224%
  • 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.17.610%
  • 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.78.08%
Sena Plastics AG scores 84.8 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.89.612%
  • 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%
Sena Plastics AG scores 96.7 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).96.722%
Sena Plastics AG scores 10.0 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 35.10.04%
  • Media authority: No data point — the criterion is taken out of the weighting and does not lower the score.—4%
Qualifications+0.05

Sena Plastics AG reaches a ranQ Trust Score of 4.1 out of 5.0 — rated «High». The rating draws, among other things, on 5.0 out of 5 stars from 1 customer reviews. The data basis is 96%, so the score is backed by part of the criteria. As of November 2026.

The Trust Score cannot be bought and is calculated from publicly verifiable data.

Reviews

Aggregated rating

Aggregated rating
5
of 5

Aggregated from 1 reviews across all connected sources

Sources
GGoogle51
★TrustpilotSoon
PProvenExpertSoon

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

Credentials

Certifications & memberships

ISO 9001
Knowledge

Articles about Sena Plastics AG

No articles have been published yet.

Comparisons

Sena Plastics AG in comparison

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Contact

Location

Industriestrasse 101
4147 Aesch Bl
Opening hours
Mon
07:00 - 17:00
Tue
07:00 - 17:00
Wed
07:00 - 17:00
Thu
07:00 - 17:00
Fri
07:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-488.565.591
Founded
2015 · 11 years
Last commercial register change
December 13, 2024
Employees
11 to 20

Active throughout Switzerland

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